2022 Ozone Exceedances
(Through December 31, 2022)
Below are the exceedances of the 0.070 parts per million (ppm) eight-hour average ozone standard, and the dates they occurred for each ozone monitor in New England. These data are preliminary, not quality assured and are subject to change.
Monitor Location | Date | Concentration (ppm) | AQI Map |
---|---|---|---|
Cornwall | August 20, 2022 | 0.073 | Peak Ozone AQI |
Greenwich | August 20, 2022 | 0.076 | |
Stratford | August 20, 2022 | 0.072 | |
Westport | August 20, 2022 | 0.076 | |
Greenwich | August 19, 2022 | 0.072 | Peak Ozone AQI |
Madison | August 9, 2022 | 0.077 | Peak Ozone AQI |
Groton | August 9, 2022 | 0.073 | |
Stratford | August 9, 2022 | 0.073 | |
Danbury | August 6, 2022 | 0.071 | Peak Ozone AQI |
East Hartford | August 5, 2022 | 0.075 | Peak Ozone AQI |
Groton | August 5, 2022 | 0.071 | |
Madison | August 5, 2022 | 0.072 | |
Middletown | August 5, 2022 | 0.080 | |
New Haven | August 5, 2022 | 0.080 | |
Stratford | August 5, 2022 | 0.085 | |
Westport | August 5, 2022 | 0.088 | |
Cornwall | August 4, 2022 | 0.071 | Peak Ozone AQI |
Danbury | August 4, 2022 | 0.076 | |
East Hartford | August 4, 2022 | 0.077 | |
Greenwich | August 4, 2022 | 0.079 | |
Middletown | August 4, 2022 | 0.084 | |
New Haven | August 4, 2022 | 0.077 | |
Stafford | August 4, 2022 | 0.077 | |
Stratford | August 4, 2022 | 0.081 | |
Westport | August 4, 2022 | 0.081 | |
Greenwich | August 3, 2022 | 0.074 | Peak Ozone AQI |
Greenwich | August 2, 2022 | 0.077 | Peak Ozone AQI |
Madison | August 2, 2022 | 0.076 | |
Middletown | August 2, 2022 | 0.073 | |
New Haven | August 2, 2022 | 0.071 | |
Stratford | August 2, 2022 | 0.082 | |
Westport | August 2, 2022 | 0.080 | |
Danbury | July 28, 2022 | 0.075 | Peak Ozone AQI |
Greenwich | July 28, 2022 | 0.075 | |
Groton | July 24, 2022 | 0.073 | Peak Ozone AQI |
Madison | July 24, 2022 | 0.077 | |
Middletown | July 24, 2022 | 0.071 | |
Stratford | July 24, 2022 | 0.074 | |
Westport | July 24, 2022 | 0.073 | |
Greenwich | July 23, 2022 | 0.073 | Peak Ozone AQI |
Stratford | July 23, 2022 | 0.071 | |
Westport | July 23, 2022 | 0.074 | |
Greenwich | July 22, 2022 | 0.074 | Peak Ozone AQI |
Stratford | July 22, 2022 | 0.076 | |
Westport | July 22, 2022 | 0.073 | |
Danbury | July 21, 2022 | 0.076 | Peak Ozone AQI |
Greenwich | July 20, 2022 | 0.085 | Peak Ozone AQI |
Groton | July 20, 2022 | 0.072 | |
Madison | July 20, 2022 | 0.078 | |
New Haven | July 20, 2022 | 0.072 | |
Stratford | July 20, 2022 | 0.086 | |
Westport | July 20, 2022 | 0.082 | |
Greenwich | July 13, 2022 | 0.076 | Peak Ozone AQI |
Westport | July 13, 2022 | 0.073 | |
Danbury | July 12, 2022 | 0.072 | Peak Ozone AQI |
Middletown | July 8, 2022 | 0.071 | Peak Ozone AQI |
Danbury | July 1, 2022 | 0.075 | Peak Ozone AQI |
East Hartford | July 1, 2022 | 0.081 | |
Middletown | July 1, 2022 | 0.074 | |
Stafford | July 1, 2022 | 0.074 | |
Westport | July 1, 2022 | 0.073 | |
Greenwich | June 30, 2022 | 0.073 | Peak Ozone AQI |
Westport | June 30, 2022 | 0.071 | |
Greenwich | June 29, 2022 | 0.071 | Peak Ozone AQI |
Westport | June 29, 2022 | 0.071 | |
Danbury | June 26, 2022 | 0.071 | Peak Ozone AQI |
East Hartford | June 26, 2022 | 0.074 | |
New Haven | June 26, 2022 | 0.072 | |
Stratford | June 26, 2022 | 0.074 | |
Westport | June 26, 2022 | 0.082 | |
Westport | May 22, 2022 | 0.071 | Peak Ozone AQI |
Cornwall | May 21, 2022 | 0.071 | Peak Ozone AQI |
Monitor Location | Date | Concentration (ppm) | AQI Map |
---|---|---|---|
Cape Elizabeth | July 20, 2022 | 0.072 | Peak Ozone AQI |
Kennebunkport | July 20, 2022 | 0.078 | |
Bar Harbor - Cadillac Mtn | July 1, 2022 | 0.074 | Peak Ozone AQI |
Cape Elizabeth | July 1, 2022 | 0.072 | |
Kennebunkport | July 1, 2022 | 0.074 | |
Portland | July 1, 2022 | 0.071 |
Monitor Location | Date | Concentration (ppm) | AQI Map |
---|---|---|---|
Boston - Roxbury | August 20, 2022 | 0.071 | Peak Ozone AQI |
Chicopee | August 20, 2022 | 0.075 | |
Haverhill | August 20, 2022 | 0.074 | |
Boston - Roxbury | July 24, 2022 | 0.074 | Peak Ozone AQI |
Lynn | July 24, 2022 | 0.071 | |
Milton - Blue Hill | July 24, 2022 | 0.071 | |
Weymouth | July 24, 2022 | 0.073 | |
Lynn | July 23, 2022 | 0.073 | Peak Ozone AQI |
Martha's Vineyard | July 23, 2022 | 0.078 | |
Fairhaven | July 20, 2022 | 0.073 | Peak Ozone AQI |
Fall River | July 20, 2022 | 0.075 | |
Lynn | July 20, 2022 | 0.073 |
Monitor Location | Date | Concentration (ppm) | AQI Map |
---|---|---|---|
Odiorne State Park | July 20, 2022 | 0.077 | Peak Ozone AQI |
Odiorne State Park | July 1, 2022 | 0.074 | Peak Ozone AQI |
Portsmouth | July 1, 2022 | 0.071 |
Monitor Location | Date | Concentration (ppm) | AQI Map |
---|---|---|---|
East Providence | July 24, 2022 | 0.073 | Peak Ozone AQI |
East Matunuck | July 23, 2022 | 0.085 | Peak Ozone AQI |
East Matunuck | July 22, 2022 | 0.075 | Peak Ozone AQI |
East Matunuck | July 20, 2022 | 0.091 | Peak Ozone AQI |
Narragansett | July 20, 2022 | 0.079 | |
East Matunuck | June 25, 2022 | 0.078 | Peak Ozone AQI |
Monitor Location | Date | Concentration (ppm) | AQI Map |
---|---|---|---|
None |