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The Air Quality Index (AQI) is a standardized indicator of the air quality in a given location. It measures mainly ground-level ozone and particulates (except the pollen count), but may also include sulphur dioxide, and nitrogen dioxide. Various agencies around the world measure such indices, though definitions may change between places.
The U.S. Environmental Protection Agency and the Meteorological Service of Canada (MSC) differ on what AQI structure and health classification is used:
Health classifications used by the EPA:
More on [ Air Quality Index ]
RT @VancouverAQHI: Air Quality Health Index throughout Lower FV and Metro Van is LOW today. Learn more about your community...
BCLungAssoc (BC Lung Association) Wed, 16 Dec 2009 16:51:10 -0000
RT @VancouverAQHI: Air Quality Health Index throughout Lower FV and Metro Van is LOW today. Learn more about your community...
Washoe County Issues Another Red Burn Ban: Air Quality Index (AQI) levels include zero to 50 equals good air qualit... http://bit.ly/6NI0Vd
thegreengod (thegreengod) Wed, 16 Dec 2009 16:24:53 -0000
Washoe County Issues Another Red Burn Ban: Air Quality Index (AQI) levels include zero to 50 equals good air qualit... http://bit.ly/6NI0Vd
Air Quality Health Index throughout Lower FV and Metro Van is LOW today. Learn more about your community http://bit.ly/16wbvo
vancouveraqhi (Vancouver AQHI) Wed, 16 Dec 2009 16:18:39 -0000
Air Quality Health Index throughout Lower FV and Metro Van is LOW today. Learn more about your community http://bit.ly/16wbvo
Air Quality Health Index in Victoria is 2 and forecast to stay low. Learn more about air & your health at http://bit.ly/L4fVG
victoriaaqhi (Victoria AQHI) Wed, 16 Dec 2009 16:11:24 -0000
Air Quality Health Index in Victoria is 2 and forecast to stay low. Learn more about air & your health at http://bit.ly/L4fVG
khou.com weather: Weather Index Radars Hurricane Central Air Quality . Title: KHOU.com ... KHOU: Hurricane Central ... http://bit.ly/52jmjt
adainvest (Anthony Orlando) Mon, 14 Dec 2009 19:25:39 -0000
khou.com weather: Weather Index Radars Hurricane Central Air Quality . Title: KHOU.com ... KHOU: Hurricane Central ... http://bit.ly/52jmjt
Air Quality Health Index for PG is 2 and is forecast to be 3 later today/tonight. Learn more about air and health http://bit.ly/Dk1si
PGAQHI (Prince George AQHI) Fri, 11 Dec 2009 18:08:08 -0000
Air Quality Health Index for PG is 2 and is forecast to be 3 later today/tonight. Learn more about air and health http://bit.ly/Dk1si
Air Pollution - Air Pollution links from About.com
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National Allergy Bureau - Daily pollen/spore counts for US cities, including source-specific counts and alerts by email.
Personal Allergy Forecast - Pollen.com's Personal Allergy Alert Forecast provides vast amounts of information on pollen and allergies for sufferers. Get a daily allergy forecast emailed to you.
Meta Description: [ Pollen.com - current local accurate pollen and allergy reports, Including the only 4 day allergy alert forecast for every ZIP code in the Continental United States. Email Alert for allergies including pollen count are available. If you suffer from allergies get the 4 day allergy forecast. ]
WeatherSmith - Air quality forecasts and related information for the southwestern United States
Meta Description: [ weather and air quality forecasts for the southwestern United States ]
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