39.41955, -76.78025

Air Quality

Updated 29 minutes ago

37

Good

Primary Pollutant: PM2.5

O3 51 µg/m3 (23)
PM2.5 9 µg/m3 (37)
PM10 14 µg/m3 (13)
CO 368 µg/m3 (4)
NO2 58 µg/m3 (28)
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

46

PM2.5 11 (46) 18 (16) n/a 41 (19) n/a n/a
Ashburn

55

PM2.5 14 (55) 18 (16) 16 (8) 5.88 (3) n/a n/a
Arlington

11

NO2 n/a n/a 22 (11) 20 (9) 344 (3) n/a
Washington D.C.

63

PM2.5 18 (63) n/a n/a n/a n/a n/a
Arendtsville

28

PM2.5 6.7 (28) n/a n/a 9.8 (4) n/a n/a
Arendtsville

4

O3 n/a n/a n/a 7.84 (4) n/a n/a
Brogue

19

O3 n/a n/a n/a 41 (19) n/a n/a
East York

33

PM2.5 7.9 (33) n/a n/a 35 (16) n/a n/a
Washington D.C.

53

PM2.5 13 (53) 16 (15) 20 (10) 33 (15) 458 (4) n/a
Fairmount Heights

59

PM2.5 16 (59) n/a 9.588 (5) 35 (16) n/a n/a

Source: Virginia Dept. of Environmental Quality, District of Columbia - Department of Energy and Environment, Pennsylvania Dept. of Environmental Protection, EPA Office of Atmospheric Protection

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
4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am
63626160302929303151524932312845454330252728272726262625272930313234343535343432313027252929373846464646394042444443414141434446485051464244424242464650514637322929293338505457565452504438383833
PM2.5PM2.5NO2NO2O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5NO2PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5
SSSESSSSSSSWSSWSWWSWWWNWWNWWNWWNWWNWWNWWWWWWWSWWSWWSWWSWWSWWSWWWWWWWWWWWWNWWNWWNWWNWWNWWNWNWNWNWWNWWNWWNWNWNWNWNWNWNWWNWWNWWNWNNNENEENEENEENEENEENEESEESEESEESEESEESEENEENEENEENEENEENEESEESEESEESEESEESEEEEEEEEEEE
11 17 10 16 11 18 12 20 12 20 11 18 11 18 12 20 15 23 17 27 19 31 22 36 23 38 25 40 25 40 25 40 25 40 24 38 23 37 22 35 20 32 18 29 16 25 13 21 11 18 11 18 12 20 13 22 15 23 17 27 18 29 19 31 19 31 18 29 17 27 16 25 13 22 12 19 10 17 9 14 8 13 7 12 7 11 6 10 6 10 6 9 6 9 6 9 6 9 5 8 5 8 4 7 4 7 4 7 4 7 4 7 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 5 7 5 8 5 8 5 8 5 9 6 9 6 9 6 10 6 10
53 11.7 55 12.5 56 13.2 56 13.5 58 14.3 61 16 62 16.6 61 16.3 61 16 60 15.4 57 13.7 52 11 48 8.7 45 7 42 5.4 40 4.3 39 3.7 36 2.1 35 1.6 34 1 33 0.4 32 -0.2 32 -0.2 32 -0.2 32 -0.2 32 -0.2 32 -0.2 32 -0.2 31 -0.7 33 0.6 34 1.2 35 1.7 36 2.1 36 2.1 36 2.1 36 2.1 35 1.7 34 1 32 0.2 31 -0.5 30 -1.3 28 -2 27 -2.8 27 -3 26 -3.2 26 -3.5 26 -3.5 26 -3.5 26 -3.5 26 -3.5 26 -3.5 26 -3.5 28 -2.2 30 -0.9 33 0.4 34 1.4 36 2.3 38 3.2 38 3.2 38 3.2 38 3.2 36 2.1 34 1.1 32 0 31 -0.5 30 -0.9 29 -1.4 29 -1.9 28 -2.3 27 -2.8 27 -2.8 27 -2.8 27 -2.8 27 -2.8 27 -2.8 27 -2.8 29 -1.7 31 -0.6 33 0.5 35 1.6 37 2.7 39 3.8 38 3.5 38 3.1 37 2.8 36 2.4 36 2.1 35 1.7 35 1.7 35 1.7 35 1.7 35 1.7 35 1.7 35 1.7 36 2 36 2.2 36 2.5

Source: CAMS, Vaisala Xweather

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