38.79234, -77.07081

Air Quality

Updated an hour ago

25

Good

Primary Pollutant: O3

O3 54 µg/m3 (25)
PM2.5 4 µg/m3 (17)
PM10 11 µg/m3 (10)
CO 396 µg/m3 (4)
NO2 39 µg/m3 (19)
SO2 3 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)
Haymarket

6

NO2 n/a n/a 13 (6) n/a n/a n/a
Remington

18

O3 n/a n/a n/a 39 (18) n/a n/a
Ashburn

49

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

20

O3 n/a n/a n/a 43 (20) n/a n/a
Corbin

20

O3 n/a n/a n/a 45 (20) 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

Source: Virginia Dept. of Environmental Quality, District of Columbia - Department of Energy and 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
55565453512826272824243238374243303023252625222121222222232527283030302829424850504542464951525761667379857855494242425170808054555758596042404038424651484033292931333649535353535251484238373636
O3PM2.5NO2PM2.5PM2.5O3O3O3PM2.5PM2.5PM2.5PM2.5NO2PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3
SSSSSSSSWSWSWWSWWNWNWNWWNWWNWWNWWNWWWWWWSWWSWSWSWWSWWSWWSWWSWWWWWWWWWNWWNWNWNWNWNNWNNWNNWNNNNWNWNWNENENEENEENEENEEEEEEEEEEEEEESEESEESEESEESEESEENEENEENEENEENEENEEEEEEEEEEEEEEEEEE
9 15 10 16 10 16 10 16 10 16 11 18 12 20 15 23 17 27 19 31 21 34 22 36 22 36 22 36 22 36 22 36 22 36 21 34 19 31 17 27 15 23 12 20 10 16 9 14 8 14 8 14 10 15 12 19 14 23 16 25 16 25 16 25 15 23 13 22 11 18 10 16 9 14 8 13 7 11 6 10 5 8 4 7 4 7 4 6 3 5 3 5 3 5 3 5 3 5 3 5 3 5 4 6 4 7 4 7 4 7 4 7 4 7 4 7 4 7 4 7 4 7 4 7 4 7 4 6 3 5 3 5 2 4 2 3 1 2 1 2 1 2 2 3 2 3 2 3 2 4 3 5 3 5 4 6 4 7 5 8 6 9 5 8 5 8 4 7 4 7 4 6 3 5 3 5 3 5 3 5 3 5 3 5 3 5 4 6 4 7 4 7 5 8
57 13.8 58 14.4 59 15 61 15.9 63 17 63 17.5 63 17.2 63 17 62 16.5 57 14 53 11.7 48 8.6 45 7.5 43 6.2 42 5.6 41 5 39 4.2 38 3.6 36 2.5 36 2.2 36 2 35 1.7 35 1.5 34 0.9 33 0.6 33 0.6 33 0.3 34 1.2 36 2.2 39 3.8 40 4.5 41 5 41 5 41 5 42 5.3 41 4.8 39 4.2 38 3.2 36 2.2 35 1.5 33 0.7 32 0 31 -0.4 31 -0.8 30 -1.2 30 -1.3 29 -1.5 29 -1.6 29 -1.8 28 -2.1 28 -2.3 31 -0.7 34 0.9 36 2.5 38 3.5 40 4.6 42 5.6 42 5.6 42 5.6 42 5.6 40 4.6 39 3.7 37 2.7 36 2.3 35 1.8 34 1.4 34 0.9 33 0.5 32 0 32 -0.1 31 -0.3 31 -0.4 31 -0.6 31 -0.7 30 -0.9 33 0.4 35 1.7 37 2.9 40 4.2 42 5.4 44 6.7 43 6.3 43 6 42 5.6 41 5.2 41 4.9 40 4.5 40 4.4 40 4.4 40 4.3 40 4.3 40 4.2 39 4.1 40 4.3 40 4.4 40 4.6 40 4.7

Source: CAMS, Vaisala Xweather

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