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38.88101, -77.10428

Air Quality

Updated 2 hours ago

21

Good

Primary Pollutant: O3

O3 47 µg/m3 (21)
PM2.5 4 µg/m3 (15)
PM10 17 µg/m3 (15)
CO 290 µg/m3 (3)
NO2 34 µg/m3 (17)
SO2 2 µg/m3 (1)

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

Nearby Stations

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

3

NO2 n/a n/a 5.64 (3) n/a n/a n/a
Padonia

26

O3 4 (17) n/a n/a 58 (26) n/a n/a
Howard County Near R

21

PM2.5 5 (21) n/a 19 (9) n/a 195 (2) n/a
Franconia

18

PM2.5 4.4 (18) n/a n/a n/a n/a 2.62 (1)
Essex

25

O3 n/a n/a n/a 54 (25) 229 (2) 2.62 (1)
Mcmillan Reservoir

4

PM2.5 1 (4) n/a n/a n/a n/a n/a
Ashburn

7

NO2 n/a n/a 15 (7) n/a n/a n/a
Baltimore County Nea

22

NO2 n/a n/a 45 (22) n/a n/a n/a

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

Extended Forecast

 
Hour
AQI
Primary
Wind Dir
 
Wind Speed ( mph kmh)
Temp (°F°C)
Tuesday, Jan 21Wednesday, Jan 22Thursday, Jan 23Friday, Jan 24Saturday, Jan 25
10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am
24242525252525252525252424242424232322232427312723232425252629364341393939404043454851535554545352464039384451535555565758596061626263636261605958555351464544423936322926262627282522232324242424
O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3
NNNNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNNNNNNNNNNENENENNENNENNWNNWNNWNNWNNWNNWNNNNNNESEESEESEEEEEEENNENNENNENNENNENNENNENNENNENNENNENNEEEEEEEEEEEEEEEEEEEEEEEEESESESE
9 15 9 15 9 15 9 15 9 15 9 15 9 15 8 13 7 11 6 9 7 11 7 11 7 11 7 11 7 11 7 11 6 9 6 9 5 8 5 8 5 8 5 8 5 8 6 9 6 9 5 8 5 8 3 5 3 5 5 8 5 8 5 8 3 5 3 5 3 5 3 5 3 5 3 4 2 3 1 2 2 3 3 4 3 5 3 4 2 3 1 2 2 3 3 4 3 5 3 4 2 3 1 2 2 3 3 4 3 5 3 5 3 4 2 4 2 3 2 3 2 3 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 2 3 2 4 3 4 3 5 3 5 4 6 4 7 5 7 5 8 5 9 6 9 6 10 7 11 7 12 8 13 9 14 9 15 10 15 10 16 10 17 11 17 11 18 11 18 11 17 10 16 9 15
26 -3 29 -2 32 0 34 1 36 2 36 2 35 2 34 1 31 -1 30 -1 28 -2 28 -2 27 -3 26 -3 26 -3 25 -4 24 -4 24 -4 24 -4 23 -5 23 -5 24 -4 26 -3 28 -2 31 -1 34 1 37 3 39 4 41 5 41 5 40 4 38 3 36 2 34 1 32 0 31 -1 31 -1 30 -1 30 -1 29 -2 28 -2 28 -2 27 -3 27 -3 26 -3 26 -3 29 -2 32 0 35 2 38 3 41 5 44 7 44 6 43 6 43 6 41 5 39 4 37 3 36 2 35 2 34 1 33 1 32 0 31 -1 31 0 31 0 31 0 32 0 32 0 32 0 34 1 36 2 38 4 41 5 43 6 45 7 45 7 44 7 44 7 44 7 43 6 43 6 43 6 42 6 42 6 42 5 41 5 41 5 41 5 41 5 40 5 40 5 40 5 40 4 41 5 43 6 44 7

Source: CAMS

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