World Air Quality Historical Database - aqicn.org
Data and information reported by the World Air Quality Index project are provided for the express purpose of providing citizens actionable health information related to air pollution. Additional Restrictions
Air Data: Air Quality Data Collected at Outdoor Monitors Across …
2024年10月29日 · This site provides air quality data collected at outdoor monitors across the United States, Puerto Rico, and the U. S. Virgin Islands. Users can download, output, view or visualize the data.
World Air Quality Index (AQI) Ranking | IQAir
Keep track of the most polluted cities in the world with our air quality index (AQI) ranking.
Air Quality Index Report | US EPA - U.S. Environmental …
2024年10月29日 · This report provides Air Quality Index annual summary information, including maximum AQI values and the count of days in each AQI category. Read more about what's in this report. Use the query tool below to get AQI reports for one state, county, or CBSA at a time.
Historical Air Quality Trends Reports | US EPA - U.S.
2024年10月9日 · This page contains links to historical air quality trends reports and brochures from 1971 to 2010.
World Air Quality Historical Database - aqicn.info
Welcome to the Air Quality Historical Database. 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.
WHO Ambient Air quality database - World Health Organization …
2024年1月31日 · WHO's air quality database compiles data on ground measurements of annual mean concentrations of particulate matter of a diameter equal to or smaller than 10 μm (PM10) or equal to or smaller than 2.5 μm (PM2.5) which aim at representing an average for the city or town as a whole, rather than for individual stations.
Air Pollution in World: Real-time Air Quality Index Visual Map
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 …
World's Air Pollution: Real-time Air Quality Index
Check out the real-time air pollution map, for more than 80 countries. Can not find your city on the map? The GAIA air quality monitor uses laser particle sensors to measure in real-time PM2.5 and PM10 particle pollution, which is one of the most harmful air pollutants.
AirNow.gov
AirNow is your one-stop source for air quality data. Our recently redesigned site highlights air quality in your local area first, while still providing air quality information at state, national, and world views.
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