Today's Air Quality-Winthrop,MA
Moderate
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.
Primary Pollutant:
O3 (Ozone)All Pollutants
O3 (Ozone)
Moderate
105.8 µg/m3CO (Carbon Monoxide)
Good
540 µg/m3NO2 (Nitrogen Dioxide)
Good
7.24 µg/m3PM10 (Particulate matter less than 10 microns)
Good
6.87 µg/m3PM2.5 (Particulate matter less than 2.5 microns)
Good
5.47 µg/m3SO2 (Sulfur Dioxide)
Good
1 µg/m3
