good | moderate | unhealthy for sensitive groups | unhealthy | very unhealthy | hazardous |
click here to refine your location using your browser geolocation information.
share: “
how polluted is the air today? check out the real-time air pollution map, for more than 100 countries. ”
https://aqicn.org/here/
alternatively, in can you can not access the chrome store, you can also download the ".crx" plugin file
. in order to install the crx file by, you can follow those 3 steps:
settings-icon > tools > extensions
{ the 'three horizontal-bars' icon in the top-right corner }
drag and drop the "crx" extension file onto the extensions page from step 1
{ .crx file should likely be in your downloads directory }
install the aqicn air quality plugin
(more information from or
)
in case you can not access the firefox store, you can also download the ".xpi" add-on . in order to install the cityname air quality widget on your favorite iphone or ipod device, just launch the internet browser from your device and open the web page: "".
or just scan this qr-code:
then click on this icon to install the widget as an application directly accessible from your iphone homescreen.
the
gaia air quality monitoring stations are using high-tech laser particle sensors to measure in real-time pm2.5 pollution, which is one of the most harmful air pollutants.
very easy to set up, they only require a wifi access point and a usb power supply. once connected, air pollution levels are reported instantaneously and in real-time on our maps
about the air quality levels
| aqi | air pollution level | health implications | cautionary statement (for pm2.5) |
| 0 - 50 | good | air quality is considered satisfactory, and air pollution poses little or no risk | none |
| 51 -100 | moderate | air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. | active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion. |
| 101-150 | unhealthy for sensitive groups | members of sensitive groups may experience health effects. the general public is not likely to be affected. | active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion. |
| 151-200 | unhealthy | everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects | active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion |
| 201-300 | very unhealthy | health warnings of emergency conditions. the entire population is more likely to be affected. | active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion. |
| 300 | hazardous | health alert: everyone may experience more serious health effects | everyone should avoid all outdoor exertion |
to know more about air quality and pollution, check the or the .
for very useful health advices of beijing doctor richard saint cyr md, check blog.
usage notice: all the air quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time. the world air quality index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the world air quality index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data.