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Library

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Results (9)

Name Document Type Year Topic
2001-2007 Air Quality Index Calendars
(1997 8-Hour Ozone Standard of 85 ppb)
Environment
Listed below are the Air Quality Index (AQI) calendars which use the 1997 standard of 85 ppb (years 2001-2007). AQI calendars graphically present the maximum daily eight-hour ozone AQI values... Read More
2008-2015 Air Quality Index Calendars
(2008 8-Hour Ozone Standard of 75 ppb)
Listed below are the Air Quality Index (AQI) calendars which use the 2008 standard of 75 ppb (years 2008-2015). AQI calendars graphically present the maximum daily eight-hour ozone AQI values... Read More
2016 Air Quality Index Calendars
(2016 8-Hour Ozone Standard of 70 ppb)
Reports 2016 Environment
The Air Quality Index (AQI) Calendar graphically presents the maximum daily eight-hour ozone AQI value for April-October 2016. The Environmental Protection Agency (EPA)'s AQI conversion calculator is used to convert... Read More
2017 One-Hour Daily and Eight-Hour Weekly Ozone Averages with AQI Calendar
Each month, from March through October, EWG prepares the daily (9 am - 9 pm) maximum one-hour and eight-hour ozone concentration, in parts per billion (ppb), for each of the air... Read More
2018 One-Hour Daily and Eight-Hour Weekly Ozone Averages with AQI Calendar Data 2018 Environment
Each month, from March through October, EWG prepares the daily (9 am - 9 pm) maximum one-hour and eight-hour ozone concentration, in parts per billion (ppb), for each of the air... Read More
2019 One-Hour Daily and Eight-Hour Weekly Ozone Averages with AQI Calendar Data 2019 Environment
Each month, from March through October, EWG prepares the daily (9 am - 9 pm) maximum one-hour and eight-hour ozone concentration, in parts per billion (ppb), for each of the air... Read More
2020 One-Hour Daily and Eight-Hour Weekly Ozone Averages with AQI Calendar Data Reports 2020 Environment
Each month, from March through October, EWG prepares the daily (9 am - 9 pm) maximum one-hour and eight-hour ozone concentration, in parts per billion (ppb), for each of the air... Read More
2021 One-Hour Daily and Eight-Hour Weekly Ozone Averages with AQI Calendar Data Plans 2021 Environment
Each month, from March through October, EWG prepares the daily (9 am - 9 pm) maximum one-hour and eight-hour ozone concentration, in parts per billion (ppb), for each of the air... Read More
2022 One-Hour Daily and Eight-Hour Weekly Ozone Averages with AQI Calendar Data Reports 2022 Environment
Each month, from March through October, EWG prepares the daily (9 am - 9 pm) maximum one-hour and eight-hour ozone concentration, in parts per billion (ppb), for each of the air... Read More

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