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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 alert issued for Houston, coast - Houston Chronicle
Thu, 02 Jul 2009 12:34:29 -0000
Air-quality alert issued for Houston, coastHouston ChronicleThe heat index, how hot the air feels when temperature and humidity combine, will reach 104 degrees. Friday, a slight chance of scattered showers is ...Lafayette air quality warning issuedThe Daily AdvertiserTwo more heat-related deaths in Houstonabc13.comPennsylvania DEP, Lehigh Valley/Berks County Air Quality ...FOXBusinessall 29 news articles »
US, California programs to reduce ship emissions - Los Angeles Times
Thu, 02 Jul 2009 06:37:15 -0000
Opposing ViewsUS, California programs to reduce ship emissionsLos Angeles TimesThe mandatory use of cleaner fuels will improve the air quality of coastal cities, Gov. Arnold Schwarzenegger says. By Amy Littlefield Targeting one of the ...Court Clears California Rule on Ocean Vessel FuelThe Journal of Commerce OnlineShipping Industry Must Use Cleaner Fuel, Says CourtCommon Dreams (press release)PMSA concerned over patchwork regulationsSustainable Shipping (subscription)all 18 news articles »
Miami to improve air quality on construction projects - SmartBrief
Thu, 02 Jul 2009 16:12:52 -0000
Miami to improve air quality on construction projectsSmartBriefMiami city commissioners passed two proposals to regulate air quality during and after construction projects. One will require many residential and ...Miami proposals would address air qualityWaveHomeSolutionsall 2 news articles »
Good Air Quality Overall - Bernama
Thu, 02 Jul 2009 06:20:57 -0000
Good Air Quality OverallBernama... The air quality nationwide registered a healthy reading this morning with none of the areas being monitored for its Air Pollutant Index (API) showing ...and more »
Utah air quality will be better than expected today - Salt Lake Tribune
Tue, 30 Jun 2009 18:46:48 -0000
Utah air quality will be better than expected todaySalt Lake TribuneAir-quality officials downgraded the ozone hazard levels from "red" to "yellow" this morning in light of the unexpected cloudiness. ...and more »
Clark County Issues Air Quality Advisory - KOLO
Thu, 02 Jul 2009 23:25:50 -0000
Clark County Issues Air Quality AdvisoryKOLOReporter: AP LAS VEGAS (AP) - Clark County officials have issued an air quality advisory for smoke and ozone that could come from Fourth of July fireworks ...and more »
Air Pollution - Air Pollution links from About.com
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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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