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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 ]
Air Quality Health Index for PG is 1. Did you know... air pollution can travel hundreds of kilometres.
PGAQHI (Prince George AQHI) Fri, 06 Nov 2009 19:45:02 -0000
Air Quality Health Index for PG is 1. Did you know... air pollution can travel hundreds of kilometres.
Air Quality Health Index for Kamloops is 1 and is forecast to stay at 1 tonight/tomorrow. Learn more about your air at http://bit.ly/1Wu6yK
kamloopsaqhi (Kamloops Air Quality) Fri, 06 Nov 2009 19:33:21 -0000
Air Quality Health Index for Kamloops is 1 and is forecast to stay at 1 tonight/tomorrow. Learn more about your air at http://bit.ly/1Wu6yK
Air Quality Health Index for Okanagan is 1 & is forecast to be LOW tonight/tomorrow. Learn about what this means to you http://bit.ly/qMyLv
KelownaAQHI (Air Quality & Health) Fri, 06 Nov 2009 19:27:52 -0000
Air Quality Health Index for Okanagan is 1 & is forecast to be LOW tonight/tomorrow. Learn about what this means to you http://bit.ly/qMyLv
Air Quality Health Index for Metro Van & Lower FV is 2 & is forecast to be 1 tonight/tomorrow.Learn about air quality at http://bit.ly/LdYY0
vancouveraqhi (Vancouver AQHI) Fri, 06 Nov 2009 19:21:45 -0000
Air Quality Health Index for Metro Van & Lower FV is 2 & is forecast to be 1 tonight/tomorrow.Learn about air quality at http://bit.ly/LdYY0
RT @glhjr be thankful for air. Unless U live in @BeijingAir Today's Air Quality Index-> 500 = Hazardous (highest possible)
sarnita (Sarna Salzman) Fri, 06 Nov 2009 14:23:02 -0000
RT @glhjr be thankful for air. Unless U live in @BeijingAir Today's Air Quality Index-> 500 = Hazardous (highest possible)
TGIF, Washington! Your air quality index on this sunny day is 17--AWESOME.
aladc (DC Lung Association) Fri, 06 Nov 2009 14:22:18 -0000
TGIF, Washington! Your air quality index on this sunny day is 17--AWESOME.
Air Pollution - Air Pollution links from About.com
Meta Description: [ A storm of free weather tutorials, an interactive photo station, local and national news channel updates and more. Take cover and learn basic to advanced meteorology forecasts with your guide Rachelle Oblack at your service! ]
Air Quality Forecasts- USA - Ozone, Wildfire, Air Stagnation
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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