Air Quality Index
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![]() | 8
Hr Ozone in New England during 2009: Information
which gives the date, location, and measured concentration
for each time pollutant levels went above the 2008 8-hour ozone
standard (0.075 ppm). |
![]() | 24
Hr PM 2.5 in New England during 2009: Information
which gives the date, location, and measured concentration
for each time pollutant levels went above 2006 24-hour PM 2.5
standard (35 ug/m3). **This continuous PM 2.5 data is NOT used for official purposes*** |