Air Quality

Updated an hour ago

25

Good

Primary Pollutant: O3

O3 55 µg/m3 (25)
PM2.5 6 µg/m3 (23)
PM10 12 µg/m3 (11)
CO 408 µg/m3 (4)
NO2 30 µg/m3 (15)
SO2 4 µg/m3 (2)

Source: CAMS, Vaisala Xweather

Nearby Stations

Station AQI Primary Pollutant PM2.5 (AQI) PM10 (AQI) NO2 (AQI) OZONE (AQI) CO (AQI) SO2 (AQI)
Rose Hill

43

PM2.5 10 (43) 17 (15) n/a n/a n/a 1.572 (1)
Ashburn

49

PM2.5 12 (49) 16 (15) 8.084 (4) n/a n/a n/a
Arlington

3

NO2 n/a n/a 6.58 (3) n/a 115 (1) n/a
Washington D.C.

55

PM2.5 14 (55) n/a n/a n/a n/a n/a
Washington D.C.

45

PM2.5 11 (45) 14 (13) 9.588 (5) 47 (21) 344 (3) n/a
Fairmount Heights

33

PM2.5 8 (33) n/a 5.828 (3) 41 (19) n/a n/a
Takoma Park

20

O3 n/a n/a 7.896 (4) 45 (20) n/a n/a
Fairmount Heights

47

PM2.5 11 (47) n/a 14 (7) n/a 229 (2) n/a
Cambridge

30

O3 0 (0) n/a n/a 67 (30) n/a n/a
Essex

25

O3 n/a n/a 8.836 (4) 55 (25) 115 (1) n/a

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

Extended Forecast

 
Hour
AQI
Primary
Wind Dir
 
Wind Speed ( mph kmh)
Temp (°F°C)
Wednesday, Dec 11Thursday, Dec 12Friday, Dec 13Saturday, Dec 14Sunday, Dec 15
5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am
59595755532827272826252732353850514224232525242322212522222527283132323129272929333636373737394145495358605951494137374252646850515152535338404242424647423833293033333343475047464339353535353536
O3PM2.5PM2.5PM2.5PM2.5O3O3O3PM2.5PM2.5PM2.5PM2.5NO2NO2PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3PM2.5PM2.5O3O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3
SSSSSSSSSWSWWSWWWNWWNWWNWWNWWNWWNWWWWWWWSWWSWWSWWSWWSWWSWWWWWWWWWWWWNWWNWWNWWNWWNWWNWNWNWNWWNWWNWWNWWNWWNWWNWNENENESESESEESEESEESEENEENEENEENEENEENEEEEEEEENEENEENEENEENEENEEEEEEEEEEEEEENEENEENEENEENE
9 14 9 15 10 16 11 17 11 18 12 20 13 22 15 24 17 27 19 30 22 36 23 37 24 39 25 40 25 40 25 40 24 38 23 37 22 35 20 32 18 29 15 25 12 20 10 16 9 14 9 15 10 17 13 20 15 24 17 27 18 29 18 29 17 27 16 25 14 23 12 20 11 18 10 16 8 13 7 12 6 10 6 9 5 8 5 8 4 7 5 7 5 8 5 8 5 8 5 7 4 7 4 7 4 6 4 6 4 6 4 7 4 7 4 7 4 7 4 7 5 8 5 8 6 9 5 8 4 7 4 6 3 5 3 5 2 4 2 4 3 4 3 5 3 5 3 5 3 5 4 6 4 7 5 8 6 9 6 10 7 11 6 10 6 10 6 9 5 8 5 8 4 7 4 7 4 7 4 7 4 7 4 7 4 7 5 7 5 8 5 8 5 8
55 13 56 13.4 57 13.8 58 14.5 61 15.9 63 17.1 62 16.8 62 16.8 62 16.6 59 15.2 55 12.7 51 10.8 48 8.8 44 6.8 42 5.3 40 4.5 38 3.5 37 2.7 36 2.2 35 1.7 34 1.2 33 0.6 33 0.6 33 0.4 33 0.4 31 -0.4 33 0.3 33 0.6 36 2.2 38 3.4 39 3.8 39 4.1 39 4.1 39 4.1 40 4.5 39 3.8 37 3 36 2 34 0.9 32 0.1 31 -0.8 29 -1.6 28 -2 28 -2.4 27 -2.8 27 -2.9 26 -3.1 26 -3.2 26 -3.1 26 -3.1 27 -3 29 -1.4 32 0.1 35 1.7 37 2.7 39 3.7 41 4.7 41 4.7 41 4.7 41 4.7 39 3.7 37 2.7 35 1.7 34 1.2 33 0.8 33 0.3 32 -0.1 31 -0.6 30 -1 30 -1.1 30 -1.2 30 -1.3 29 -1.4 29 -1.5 29 -1.6 31 -0.4 33 0.8 36 2 38 3.2 40 4.4 42 5.6 41 5.2 41 4.9 40 4.5 39 4.1 39 3.8 38 3.4 38 3.3 38 3.2 37 3.1 37 2.9 37 2.8 37 2.7 37 2.8 37 2.9 37 3.1 38 3.2

Source: CAMS, Vaisala Xweather

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