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38.80484, -77.04692

Air Quality

Updated 2 hours ago

38

Good

Primary Pollutant: O3

O3 84 µg/m3 (38)
PM2.5 2 µg/m3 (9)
PM10 12 µg/m3 (11)
CO 202 µg/m3 (2)
NO2 3 µg/m3 (2)
SO2 1 µg/m3 (0)

Source: AirNow (EPA), Virginia Dept. of Environmental Quality, District of Columbia - Department of Energy and Environment, Maryland Department of the Environment, EPA Office of Atmospheric Programs, CAMS

Nearby Stations

Station AQI Primary Pollutant PM2.5 (AQI) PM10 (AQI) NO2 (AQI) OZONE (AQI) CO (AQI) SO2 (AQI)
James S. Long Park

35

O3 n/a n/a 1.88 (1) 78 (35) n/a n/a
Howard County Near R

6

NO2 1 (4) n/a 11 (6) n/a 286 (3) n/a
Franconia

38

O3 1.8 (7) n/a n/a 84 (38) n/a 0 (0)
Southern Maryland

35

O3 n/a n/a n/a 76 (35) n/a n/a
Sumerduck

33

O3 n/a n/a n/a 72 (33) n/a n/a
Furley

36

O3 n/a n/a n/a 80 (36) n/a n/a
Corbin

35

O3 n/a n/a n/a 76 (35) n/a n/a
Rockville

37

O3 n/a n/a n/a 82 (37) n/a n/a
South Carroll

38

O3 n/a n/a n/a 84 (38) n/a n/a
Essex

39

O3 n/a n/a 5.64 (3) 86 (39) 115 (1) 0 (0)

Source: AirNow (EPA), Virginia Dept. of Environmental Quality, Maryland Department of the Environment

Extended Forecast

 
Hour
AQI
Primary
Wind Dir
 
Wind Speed ( mph kmh)
Temp (°F°C)
Sunday, Apr 21Monday, Apr 22Tuesday, Apr 23Wednesday, Apr 24Thursday, Apr 25
2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm
35353636353535333129282726262525252525273134363943424242414039393940383635343332323232354044454748484847454441414140383635322926272829313335374044454547454341403938373635343229282625283235374144
O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3
WNWWNWNWNWNWNWNWNWNWNNWNNWNWNWNWNWNWNWNWNWNNWNNWNNWNNWNNWNNWNNWNNWNWNWNWNWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWWWSWSWSWSWSWSWSSSSWSWSWSWSWSWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWNNNNNNNNENNENNENNENNENNESWSWSWSWSWSW
6 9 6 9 7 11 7 11 7 11 7 11 6 9 6 9 6 9 6 9 6 9 7 11 7 11 7 11 7 11 7 11 7 11 8 13 8 13 8 13 9 15 9 15 9 15 9 15 9 15 9 15 9 15 9 15 8 13 8 13 7 11 6 9 6 9 5 8 3 5 3 5 3 5 4 6 4 7 5 8 4 6 3 5 2 4 3 5 4 6 5 8 5 8 5 8 5 8 5 9 6 10 7 11 7 11 6 10 6 9 6 9 5 9 5 8 5 8 5 8 5 8 5 8 5 8 5 8 5 8 5 8 5 8 5 8 6 9 6 10 7 11 7 12 8 13 8 12 7 12 7 11 7 11 6 10 6 9 5 9 5 8 5 7 4 7 4 6 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 4 2 4 2 4
66 19 67 19 67 19 66 19 65 18 63 17 63 17 60 16 59 15 58 14 57 14 56 13 55 13 55 13 54 12 54 12 54 12 55 13 57 14 60 16 63 17 65 18 67 19 69 21 70 21 71 22 71 22 71 22 70 21 68 20 66 19 64 18 63 17 62 17 61 16 60 16 59 15 59 15 58 15 58 14 59 15 60 16 61 16 65 18 68 20 72 22 74 23 76 24 78 26 78 26 79 26 79 26 77 25 75 24 73 23 72 22 71 21 69 21 68 20 67 20 66 19 66 19 66 19 65 19 65 19 65 18 65 18 67 19 68 20 70 21 72 22 73 23 75 24 74 23 73 23 71 22 70 21 69 21 68 20 67 19 65 18 64 18 63 17 61 16 60 16 60 15 60 15 59 15 59 15 59 15 59 15 61 16 63 17 64 18 66 19 68 20 70 21

Source: CAMS

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