Air Quality

Updated 10 minutes ago

45

Good

Primary Pollutant: PM2.5

O3 38 µg/m3 (17)
PM2.5 11 µg/m3 (45)
PM10 18 µg/m3 (16)
CO 307 µg/m3 (3)
NO2 17 µg/m3 (8)
SO2 2 µg/m3 (1)

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

40

PM2.5 9.6 (40) 14 (13) n/a 22 (10) n/a 1.834 (1)
Ashburn

23

PM2.5 5.5 (23) 7 (6) 14 (7) 35 (16) n/a n/a
Arlington

18

NO2 n/a n/a 37 (18) 12 (5) n/a n/a
Washington D.C.

45

PM2.5 11 (45) n/a n/a n/a n/a n/a
Washington D.C.

33

PM2.5 8 (33) 12 (11) 31 (15) 27 (12) 344 (3) n/a
Fairmount Heights

41

PM2.5 10 (41) n/a 40 (20) 22 (10) n/a n/a
Takoma Park

12

NO2 n/a n/a 24 (12) 27 (12) n/a n/a
Fairmount Heights

41

PM2.5 10 (41) n/a 41 (20) n/a 344 (3) n/a
Cambridge

21

O3 0 (0) n/a n/a 47 (21) n/a 0 (0)
Essex

19

NO2 n/a n/a 38 (19) 24 (11) 229 (2) 0.262 (0)

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)
Monday, Dec 16Tuesday, Dec 17Wednesday, Dec 18Thursday, Dec 19Friday, Dec 20
3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm
31313232443629232424252526262927303333292828293233303231323428292931293338444955606262574742464242454647473329344038433434343333255251502023262727272630445462666452434039424342464748444240394044
PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5
SSSESSESSESSSSSSSWSSWSSWSSWSSWSSWSWSWSWWSWWSWWWWNWWNWWNWWNWWNWWNWWNWNWNWNWNWNNWNNWNNNENENEEEEESEESEESESESESESSESSESSESWSWSWSWSWSWWNWWNWWNWWNWWNWWNWNWNWNWNWNWNWNWNWNWNWNWNWNNWNNWNNWNNWNNWNNWNNENNENNENNENNENNEEEEEEESESESE
4 6 4 7 3 6 3 6 4 7 5 8 6 9 6 9 7 11 8 13 9 14 9 14 9 14 9 14 9 14 8 13 7 11 7 11 7 11 7 11 8 13 8 13 8 13 7 11 7 11 6 9 5 8 4 6 3 5 3 4 3 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 3 4 3 5 4 6 4 7 5 8 6 9 6 9 6 9 6 9 5 8 5 8 4 7 5 8 6 10 7 11 7 12 8 13 9 14 9 14 9 14 9 14 9 14 9 14 9 14 9 15 10 16 10 16 10 17 11 17 11 18 10 16 9 14 7 12 6 10 5 8 4 6 4 6 3 5 3 5 3 5 3 4 2 4 3 4 3 5 3 5 3 5 4 6 4 6 4 7 5 8 5 9 6 9 6 10 7 11 7 11 6 10
48 8.8 48 8.8 48 8.8 47 8.4 46 8 45 7.2 44 6.7 45 7.2 46 7.7 47 8.4 49 9.5 49 9.7 50 10 50 10 50 10 50 10 49 9.7 50 10 53 11.7 54 12.4 58 14.5 59 15 60 15.8 61 16 59 15.2 59 15 55 12.7 52 11.2 49 9.5 47 8.4 45 7.3 44 6.4 42 5.7 41 5.1 40 4.6 39 4 38 3.4 37 2.7 37 2.5 36 2.4 36 2.2 39 3.7 41 5.2 44 6.7 45 7.4 47 8.1 48 8.8 49 9.4 50 10 51 10.5 51 10.4 50 10.2 50 10 49 9.4 48 8.8 47 8.2 46 7.6 45 7 44 6.4 43 5.9 42 5.4 41 4.9 40 4.4 39 3.9 38 3.4 39 4 40 4.6 41 5.1 42 5.7 43 6.3 44 6.8 43 6.1 42 5.3 40 4.5 39 3.8 37 3 36 2.2 35 1.6 34 1.1 33 0.5 32 -0.1 31 -0.6 30 -1.2 30 -1.3 30 -1.3 29 -1.4 29 -1.5 29 -1.5 29 -1.6 31 -0.6 33 0.4 35 1.5 36 2.5 38 3.5 40 4.5 39 4.2 39 3.8

Source: CAMS, Vaisala Xweather

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