# **Today's Air Quality** - Herndon, 20170, Virginia, United States

61

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:

PM2.5 (Particulate matter less than 2.5 microns)

61

PM2.5 (Particulate matter less than 2.5 microns)

Moderate

14.83 µg/m3

3

CO (Carbon Monoxide)

Good

453.33 µg/m3

3

NO2 (Nitrogen Dioxide)

Good

6.19 µg/m3

36

O3 (Ozone)

Good

71.63 µg/m3

19

PM10 (Particulate matter less than 10 microns)

Good

21.32 µg/m3

1

SO2 (Sulphur Dioxide)

Good

1 µg/m3