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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>CanberraAir</title>
<link
rel="stylesheet"
href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"
integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh"
crossorigin="anonymous"
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<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
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.report-line.fair {
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.worsening > .rating::after {
content: " worsening";
font-size: 0.8em;
font-weight: bold;
color: orange;
}
span.worsening {
font-weight: bold;
color: orange;
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font-weight: bold;
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.rating {
font-weight: bold;
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.hazardous.rating,
.hazardous .rating {
color: red;
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.air-report {
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</head>
<body onLoad="">
<div class="container-fluid">
<h1>Bushfire Air Quality <span class="time-ago">ACT & Canberra</span></h1>
<p>
<a href="#current-aq">Current Air Quality</a> |
<a href="#faq">Air Quality FAQ</a> | <a href="#news">News</a> |
<a href="#useful-links">Useful Links</a> |
<a href="#contact">Contact</a>
</p>
<div id="current-aq" class="row">
<div class="col-md-6">
<div class="card">
<div class="card-body">
<h5 class="card-title">
Current Air Quality
<span class="time-ago"
>hourly, last update: <span id="last-update"></span>, next
update: <span id="next-update"></span
></span>
</h5>
<div class="current-status">
<div id="Florey-report" class="report-line">
North ACT (Florey): <span class="rating">Loading...</span>
</div>
<div id="Civic-report" class="report-line">
Centre Canberra (Civic):
<span class="rating">Loading...</span>
</div>
<div id="Monash-report" class="report-line">
South ACT (Monash): <span class="rating">Loading...</span>
</div>
</div>
<cite style="font-size: 0.8em;"
>Accurate hourly data courtesy of the wonderful
<a href="https://airrater.org/">AirRater.org</a> API and
app.</cite
>
<h5 style="margin-top:5px;">
Near Real-Time
<span class="time-ago"
>updated: <span id="real-time-last-updated"></span
></span>
</h5>
<div style="margin-top:-9px; font-style: italic; font-size:0.8em">
Note: <a href="#faq-real-time">real-time data</a> is not
directly comparable with hourly data.
</div>
<div id="north_canberra-report" class="report-line real-time">
N. Cbr:
<span class="real-time-line">Loading...</span>
</div>
<div id="tuggeranong-report" class="report-line real-time">
Tuggers: <span class="real-time-line">Loading...</span>
</div>
<cite style="font-size: 0.8em;"
>Real time data comes from
<a
href="https://www.purpleair.com/map?opt=1/mPM25/a0/cC0#9.71/-35.3231/149.0494"
>PurpleAir monitoring stations</a
>. See <a href="#faq-contributing-aqi">FAQ</a> to add your own.
</cite>
</div>
</div>
</div>
<div id="news" class="col-md-6">
<div class="card">
<div class="card-body">
<h5 class="card-title">Latest News</h5>
<div class="report-line notice">
Site code available on
<a href="https://github.com/CanberraAir/CanberraAir.com"
>Github</a
>. Additions welcome.
<span class="time-ago">Fri, Jan 10 5pm</span>
</div>
<div class="report-line very-good">
The air is currently clear! Open your windows, start your fans!
<span class="time-ago">Thu, Jan 09 2pm</span>
</div>
<div class="report-line notice">
Initial air quality over time graphs online.
<span class="time-ago">Thu, Jan 09 2pm</span>
</div>
<div class="report-line dark-notice">
The ACT Health folks have released
<a
href="https://www.health.act.gov.au/about-our-health-system/population-health/environmental-monitoring/monitoring-and-regulating-air-7"
>a prototype real hourly data graph.</a
>
Great job guys!
<span class="time-ago">Thu, Jan 09 2pm</span>
</div>
</div>
</div>
</div>
</div>
<div id="graphs" class="row">
<div class="col-md-6">
<div class="card">
<div class="card-body">
<h5 class="card-title">
Graphs
<span class="graph-links"
><a href="#graphs" onclick="return graphHours(6, this)"
>6hr</a
>
|
<a href="#graphs" onclick="return graphHours(12, this)"
>12hr</a
>
|
<a
href="#graphs"
onclick="return graphHours(24, this)"
class="graph-selected"
>24hr</a
>
</span>
</h5>
<!-- <div id="chart-header">tesxt</div> -->
<div id="chart-div"></div>
</div>
</div>
</div>
<div class="col-md-6">
<div class="card">
<div class="card-body">
<h5 class="card-title">ACT Government Notices</h5>
<ul>
<li>
<a
href="https://esa.act.gov.au/total-fire-ban-friday-10-january-2020a"
>TOTAL FIRE BAN in Place Friday, Jan 10</a
>
</li>
<li>
<a href="https://esa.act.gov.au/state-alert-declared-act-0"
>State of Alert declared for ACT</a
>
</li>
<li>
<a href="https://esa.act.gov.au/update-hospital-hill-fire"
>Hospital Hill Fire under control (Patrol) - 07/01/2020</a
>
</li>
<li>
<a
href="https://health.act.gov.au/public-health-alert/heavy-smoke-and-hot-conditions-act"
>
Heavy smoke and hot conditions in the ACT.
</a>
</li>
</ul>
</div>
</div>
</div>
</div>
<div class="row">
<div id="useful-links" class="col-md-6">
<div class="card">
<div class="card-body">
<h5 class="card-title">Useful Links</h5>
<ul>
<li>
<a
href="https://www.rfs.nsw.gov.au/__data/assets/image/0017/161108/Potential-fire-spread-prediction-incl-embers-A0.png"
>Fire spread prediction map Fri, Jan 10</a
>
<span class="text-secondary">: NSW RFS predictions.</span>
</li>
<li>
<a
href="https://www.health.act.gov.au/about-our-health-system/population-health/environmental-monitoring/monitoring-and-regulating-air-7"
>
ACT Health PM2.5 - Hourly Data<span class="text-secondary"
>: Hourly and 24 hour PM2.5 concentrations.</span
>
</a>
</li>
<li>
<a
href="https://www.rfs.nsw.gov.au/fire-information/fires-near-me"
>NSW Fires Near Me Map</a
><span class="text-secondary"
>: All fires in ACT/NSW, and current warning advice.</span
>
</li>
<li>
<a
href="https://www.facebook.com/groups/MyAirQualityAustralia/"
>My Air Quality Australia FB Group</a
><span class="text-secondary"
>: Useful discussion, tips, Q&A, home air quality.</span
>
</li>
<li>
<a href="https://www.facebook.com/nswrfs"
>NSW Fire Service FB Page</a
>
<span class="text-secondary"
>: Fire spread predictions and alerts.</span
>
</li>
<li>
<a
href="https://docs.google.com/forms/d/e/1FAIpQLScmxvF76_pX2dRu2GrdzAcPC-ilF80nSEIy-TzWSl0LL7CfQw/viewform"
>
Air Purifier Survey</a
><span class="text-secondary"
>: Survey I'm running to get a sense of
availabilty+shortages.</span
>
</li>
<li>
<a href="https://myfirewatch.landgate.wa.gov.au"
>Australia Bushfire Map</a
><span class="text-secondary"
>: Current location and spread of fires across
Australia</span
>
</li>
<li>
<a href="https://www.livetraffic.com">NSW Road Closures</a
><span class="text-secondary"
>: Changes constantly, check before traveling.</span
>
</li>
</ul>
</div>
</div>
</div>
</div>
<a id="faq"></a>
<div class="row">
<div class="col-sm">
<h3>FAQ</h3>
<h5>Basic Air Quality Info</h5>
<dl>
<dt>
<a id="faq-aqi" href="#faq-aqi"
>What is an AQI (Air Quality Index)?</a
>
</dt>
<dd>
<blockquote class="blockquote">
<p class="mb-0">
The Air Quality Index (AQI) is a scale of air pollution that
gives Canberrans an indication of how clean the air is so we
can change our outdoor activities if pollution levels are
high.
</p>
<footer class="blockquote-footer">
<cite title="Source Title"
><a
href="https://www.health.act.gov.au/about-our-health-system/population-health/environmental-monitoring/monitoring-and-regulating-air-2"
>ACT Health "Measuring air quality"</a
></cite
>
</footer>
</blockquote>
The AQI levels are as follows:<br />
<div class="aqi-descriptions">
<div>
<span class="aqi-desc-block">0-33<br />Very Good</span>
<span style="color: rgb(61, 133, 198); font-size: xx-large;"
>●</span
>
</div>
<div>
<span class="aqi-desc-block">34-66<br />Good</span>
<span style="color: rgb(39, 78, 19); font-size: xx-large;"
>●</span
>
</div>
<div>
<span class="aqi-desc-block">67-99<br />Fair</span>
<span style="color: rgb(241, 194, 50); font-size: xx-large;"
>●</span
>
</div>
<div>
<span class="aqi-desc-block">100-149<br />Poor</span>
<span style="color: rgb(230, 145, 56); font-size: xx-large;"
>●</span
>
</div>
<div>
<span class="aqi-desc-block">150-200<br />Very Poor</span>
<span style="color: rgb(166, 77, 121); font-size: xx-large;"
>●</span
>
</div>
<div>
<span class="aqi-desc-block">200+<br />Hazardous</span>
<span style="color: rgb(255, 0, 0); font-size: xx-large;"
>●</span
>
</div>
</div>
</dd>
<dt>
<a id="faq-pm25" href="#faq-pm25">What are PM2.5 particles?</a>
</dt>
<dd>
<p>
A general term for any atmospheric particle smaller than 2.5
micrometers (μm) in diameter (3% diameter of a human hair).
</p>
<p>
<em>Bushfire smoke contains large amounts of PM2.5</em>. When
reports say that "AQI is really high" or "Air quality is
terrible", they're referring primarily to the high PM2.5
concentration.
</p>
<p>
An excellent further reading:
<a href="https://blissair.com/what-is-pm-2-5.htm"
>What is PM2.5 and Why You Should Care</a
>
</p>
</dd>
<dt>
<a id="faq-pm25-danger" href="#faq-pm25-danger"
>Why are PM2.5 particles dangerous?</a
>
</dt>
<dd>
They contain all sorts of toxins, and are so small that they can
penetrate deep into the blood stream and all your body's tissues.
Unlike large particles, your body has a much harder time filtering
these particles out. Consistent high levels of PM2.5 exposure have
been linked to a large number of health conditions, including
respiratory trouble, heart disease, depression, and cancer.
</dd>
<dt>
<a id="faq-pm25-risk-groups" href="#faq-pm25-risk-groups"
>Who is most at risk from PM2.5 particles?</a
>
</dt>
<dd>
Anyone with a respiratory condition, children, the elderly,
pregnant women.
</dd>
<dt>
<a id="faq-pm25-not-risk-group" href="#faq-pm25-not-risk-group">
If I'm not in an "at risk" group, is it okay for me to breathe
the smoke?</a
>
</dt>
<dd>
Absolutely not. Everyone is harmed by smoke pollution. Even if you
don't have any immediate symptoms, prolonged expsoure can cause
serious long-term health problems.
</dd>
<dt>
<a id="faq-no-smell-smoke" href="#faq-no-smell-smoke">
If I can't smell smoke, or the air looks clear, does that mean
the air is safe?</a
>
</dt>
<dd>
Not necessarily. PM2.5 particles are so small that they are
difficult to smell, or see in the air. I have measured hazardous
levels of PM2.5 in buildings which look and smell clear.
</dd>
<dt>
<a id="faq-aircon-building-safe" href="#faq-aircon-building-safe">
If a building has their aircon on, does that mean the air is
safe?</a
>
</dt>
<dd>
Again, not necessarily. Some aircon systems filter out larger
(e.g. PM10) particles, and cooler air can often feel nicer. Unless
their aircon has
<a href="#faq-hepa-filter">the right kind of filter</a>, the
building may still have toxic levels of PM2.5. (My local gym had
this exact problem. People should not work out in such
conditions.)
</dd>
<dt>
<a id="faq-aqi-pm25" href="#faq-aqi-pm25">
What is the relationship between AQI and PM2.5 concentration?</a
>
</dt>
<dd>
Air particles are measured in terms of "micrograms per cubic meter
of air" (µg/m<sup>3</sup>). In the ACT, AQI is calculated by
multiplying the actual particle readings by 4. So a 50 ug/m<sup
>3</sup
>
particle concentration would yield an AQI of 200 (Hazardous).
</dd>
<dt>
<a id="faq-differing-aqi" href="#faq-differing-aqi">
Why do other apps and site seemingly report different AQI
numbers?</a
>
</dt>
<dd>
There are several reasons for this:
<ol>
<li>
Even though the actual particle concentration is the same,
different groups multiply this number by different amounts to
derive their AQI score. Because of this,
<em
>you can not compare AQI scores between apps or
organizations.</em
>
Instead you need to get that original PM2.5 concentration
number.
</li>
<li>
Many apps pull from the publicly available data on the
<a
href="https://www.health.act.gov.au/about-our-health-system/population-health/environmental-monitoring/monitoring-and-regulating-air"
>ACT Health Air Quality</a
>
page. This data is a 24-hour rolling average of PM2.5
readings, and does not reflect the very latest air quality
readings. It can take 12+ hours for the ACT Health numbers to
reflect the actual outdoor air quality.
<em
>Our numbers
<a href="#current-aq">at the top of this page</a> do not
have this problem, and are accurate to the latest hour.</em
>
</li>
</ol>
</dd>
<dt>
<a id="faq-hourly-reporting" href="#faq-hourly-reporting"
>Wait, but the ACT Health site says their numbers are from the
last hour?</a
>
</dt>
<dd>
<p>
I've had many folks write in to point this out. While they say
their PM2.5 readings are hourly, they are actually the 24 hour
rolling average. You can verify this yourself by multiplying
their PM2.5 numbers by 4, and getting the exact "24 hour rolling
average AQI" value (ie. PM2.5 * 4 = AQI_PM2.5). It took me quite
a while to get the real hourly data. (I asked them directly, and
they declined to publish it themselves.)
</p>
<p>
<b>Update:</b> The ACT Health team has started publishing actual
hourly numbers
<a
href="https://www.health.act.gov.au/about-our-health-system/population-health/environmental-monitoring/monitoring-and-regulating-air-7"
>on this page.</a
>
The data are accurate, and timely.
</p>
</dd>
<dt>
<a id="faq-real-time" href="#faq-real-time"
>How does your "real-time" data work?</a
>
</dt>
<dd>
We take data from
<a
href="https://www.purpleair.com/map?opt=1/mPM25/a0/cC0#9.71/-35.3231/149.0494"
>PurpleAir</a
>
monitoring stations, which update in real time. Because these
stations use many different kinds of sensors, the data from them
are not directly comparable with the sensors used by ACT Health.
They are, however, reasonably close, and can give you a rapid view
on what the air quality is doing <em>right now</em>.
</dd>
</dl>
<h5>Dealing With Poor Air</h5>
<dl>
<dt>
<a id="faq-deal-with-smoke" href="#faq-deal-with-smoke"
>How can I deal with the smoke?</a
>
</dt>
<dd>
In brief (see following questions)
<ul>
<li>Wear a mask outdoors.</li>
<li>Avoid strenuous activity.</li>
<li>Use an air purifier / filter inside.</li>
<li>Seal your buildings to avoid smoke penetration.</li>
<li>Monitor your own home's air quality.</li>
</ul>
</dd>
<dt>
<a id="faq-respirator" href="#faq-respirator"
>What kind of mask do I need?</a
>
</dt>
<dd>
You need a mask rated for smoke particles. In Australia, this is
listed as a <strong>P2 mask/respirator</strong>. For US products,
these will be listed as "N95" or "P100" respirators. You will also
need to ensure that the mask has a good, tight fit around yoru
face. Read the package for instructions.
</dd>
<dt>
<a id="faq-respirator-children" href="#faq-respirator"
>Can children wear a respirator mask?</a
>
</dt>
<dd></dd>
<dt>
<a id="faq-where-get-masks" href="#faq-where-get-masks"
>Where can I get good masks?</a
>
</dt>
<dd>
Bunnings, or your local hardware store.
<a
href="https://www.bunnings.com.au/protector-flat-fold-disposable-respirator-20-pack_p5810077"
>Here's an example at Bunnings.</a
>
There are also more permanent masks,
<a href="https://www.vogmask.com/"
>and even ones with cool colors and styles</a
>
for long term use. These may also be more comfortable.
</dd>
<dt>
<a id="faq-air-purifier" href="#faq-air-purifier"
>What is an air purifier?</a
>
</dt>
<dd>
A device with a fan which blows air through a filter, designed to
remove pollution and toxic particles from the air.
</dd>
<dt>
<a id="faq-hepa-filter" href="#faq-hepa-filter"
>What kind of air purifier do I need for smoke?</a
>
</dt>
<dd>
You need one which has a "True
<abbr title="High-efficiency particulate absorbing">HEPA</abbr>
filter" (sometimes rated as E11, E12, E13, H11, H12, H13+).
Without this kind of filter, the device will not remove PM2.5 from
the air.
</dd>
<dt>
<a id="faq-humidifier" href="#faq-humidifier"
>Can a humidifer work to purify my air?</a
>
</dt>
<dd>Maybe slightly, but it's not significant on its own.</dd>
<dt>
<a id="faq-air-purifier-power" href="#faq-air-purifier-power"
>How powerful should my air purifier be?</a
>
</dt>
<dd>
<p>
Air purifiers are rated by
<abbr title="Clean Air Delivery Rate">CADR</abbr> (Clean Air
Delivery Rate) or
<abbr title="Cubic meters per hour">m<sup>3</sup>/h</abbr>
(cubic meters per hours). These values are used together with
the area/volume of your room to figure out how many times per
hour the purifier filters all your air, a number often called
the <abbr title="Air changes per hour">ACH</abbr> (Air Changes
per Hour).
</p>
<p>
You want your purifier to filter all the air in your room at
least 3 times per hour, though 5+ times is ideal. I have created
a simple
<a href="air-purifier-calculator.html"
>Air Purifier Power Calculator</a
>
which can help you figure out what CADR (or m<sup>3</sup>/h)
rating works best for your room/house.
</p>
</dd>
<dt>
<a id="faq-purifier-big-room" href="#faq-purifier-big-room"
>What if my house/room is too big for my purifier?</a
>
</dt>
<dd>
Every little bit still helps. You may also want to move into a
smaller, or more airtight room. The more airtight your house is,
the more effective your purifier will be.
</dd>
<dt>
<a id="faq-airtight-house" href="#faq-airtight-house"
>How can I make my house more airtight?</a
>
</dt>
<dd>
<ul>
<li>Close external vents and windows.</li>
<li>Seal corners of window with masking tape.</li>
<li>Cover areas of airflow with wet towels.</li>
</ul>
</dd>
<dt>
<a id="faq-no-purifier" href="#faq-no-purifier"
>What if I don't have an air purifier?</a
>
</dt>
<dd>
<ul>
<li>
If you have ducted heating, you can put your heater on FAN
ONLY setting. While most heating filters aren't
<a href="#faq-hepa-filter">HEPA rated</a>, they can still make
things a little better.
</li>
<li>
Wet towels: hang them in front of fans, over your ducted
heating (see above), etc. Blowing air through/over them will
filter out some of the smoke.
</li>
<li>
Run your stove rangehood fan – the carbon filter in there may
filter out some smoke.
</li>
</ul>
</dd>
<dt>
<a id="faq-evaporative-cooler" href="#faq-evaporative-cooler"
>Should I use an evaporative cooler during heavy smoke?</a
>
</dt>
<dd>
Evaporative coolers require open doors/windows, and are not
recommended to use during smoke haze.
</dd>
<dt>
<a id="faq-monitoring-aqi" href="#faq-monitoring-aqi"
>How can I monitor my own home / environment's air quality?</a
>
</dt>
<dd>
<p>
Consumer air quality monitors are nowhere near as accurate as
lab equipment, but they can still be useful to get a sense of
how bad it is, and to measure changes in conditions, such as
when more smoke rolls in, or you've set up a new purifier in
your home.
</p>
<p>
I personally use the
<a href="https://amzn.to/2ZVOmL5"
>Temtop M10 Air Quality Monitor</a
>, and have found it to be convenient, portable, and accurate
enough for personal use. When I turn on my purifier in my
bedroom, for example, the numbers dropped from 600 (outside) to
about 5 over the course of 25 minutes. (See
<a
href="https://twitter.com/CanberraAir/status/1207585970154917895"
>this tweet</a
>
for an example, tracking incoming smoke.)
</p>
</dd>
<dt>
<a id="faq-aqi-app" href="#faq-aqi-app"
>Can I get air quality data in an app?</a
>
</dt>
<dd>
Yes, the <a href="https://airrater.org">AirRater</a> app has
hourly air quality readings. You can save your location and have
the app notify you when the air starts getting bad.
</dd>
<dt>
<a id="faq-contributing-aqi" href="#faq-contributing-aqi">
Can I help with measuring air quality?
</a>
</dt>
<dd>
<p>
Yes! The
<a href="https://www2.purpleair.com">PurpleAir</a> service makes
air quality sensors you can install around your home. Data from
here shows up on their map in real-time, available to all. If
folks all around the ACT did this, we could have accurate AQI
numbers for the entire state!
</p>
<p>
The <a href="https://aqicn.org/gaia/">Aqicn network</a> also has
some good monitoring stations you can set up, though there
aren't any running at present in the ACT, maybe you can be the
first!
</p>
</dd>
</dl>
<h5>ACT Fire Status</h5>
</div>
</div>
</div>
<div class="row">
<div class="col-md-6">
<div id="contact" class="card">
<div class="card-body">
<h5 class="card-title">Contact</h5>
Twitter: <a href="https://twitter.com/CanberraAir">@CanberraAir</a
><br />
Email:
<a href="mailto:[email protected]"
><br />
Facebook:
<a href="https://www.facebook.com/Canberra-Air-101646801348702/"
>CanberraAir</a
><br />
Github:
<a href="https://github.com/CanberraAir/CanberraAir.com">
CanberraAir</a
>
<p style="margin-top: 10px;">
Please feel free to contact me with questions or comments. If
you've thought of a way to help out during this crisis, I'm
interested to hear about it!
</p>
</div>
</div>
</div>
</div>
<script>
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// and may eventually (hopefully) be cleaned up... but we all know about
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