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Ozone and Particulate Matter (PM2.5) data are published as soon as practical after the end of each hour and
as such are not fully validated. Maps are also archived in the same way. Therefore, data are only approved
for the expressed purpose of reporting and forecasting the Air Quality.
Maps are generally available after 9 a.m. EST. |
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Ozone Monitor Locations |
How are the AQI maps calculated? |
Why is the map not available?
Ozone season for New England is from May through November.
Ozone: 8-Hour AQI Loop |
New England |
Sunday, September 14, 2008 |
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Note: Animation reflects 8-hour average concentrations, calculated from observed 1-hour data. For today's animation only, the most recent hour shown reflects estimated 8-hour averages. |
![Return to Top Return to Top](https://webarchive.library.unt.edu/eot2008/20080917085630im_/http://airnow.gov/images/totop.gif)
Ozone: 8-Hour Peak AQI |
New England |
Sunday, September 14, 2008 |
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![Return to Top Return to Top](https://webarchive.library.unt.edu/eot2008/20080917085630im_/http://airnow.gov/images/totop.gif)
Ozone: 1-Hour Average Peak Concentration |
New England |
Sunday, September 14, 2008 |
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0-60 ppb |
61-79 ppb
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80-99 ppb |
100-110 ppb |
111-124 ppb |
125+ ppb |
Data Not Available |
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This map shows the highest ozone concentrations that were reached throughout the region during the day. It does not represent a snapshot at any particular time, but is more like the daily high temperature portion of a weather forecast. The peaks are based on one hour average concentrations in parts per billion (ppb) as shown in the legend. |
![Return to Top Return to Top](https://webarchive.library.unt.edu/eot2008/20080917085630im_/http://airnow.gov/images/totop.gif)
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