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Air Quality

Updated 3 minutes ago

32

Good

Primary Pollutant: O3

O3 69 µg/m3 (32)
PM2.5 6 µg/m3 (25)
CO 127 µg/m3 (1)
NO2 5 µg/m3 (2)
SO2 5 µg/m3 (3)

Source: AirNow (EPA), Virginia Dept. of Environmental Quality, 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

32

O3 n/a n/a 5.64 (3) 70 (32) n/a n/a
Howard County Near R

29

PM2.5 7 (29) n/a 19 (9) n/a 80 (1) n/a
Franconia

31

O3 3.5 (14) n/a n/a 68 (31) n/a 2.62 (1)
Sumerduck

27

O3 n/a n/a n/a 60 (27) n/a n/a
Rockville

30

O3 6 (25) n/a n/a 66 (30) n/a n/a
South Carroll

31

O3 n/a n/a n/a 68 (31) n/a n/a
Martinsburg

30

O3 n/a n/a n/a 66 (30) n/a n/a
Ashburn

33

O3 n/a n/a 3.76 (2) 72 (33) n/a n/a
Baltimore County Nea

10

NO2 n/a n/a 21 (10) n/a n/a n/a
Pg Equestrian Center

28

O3 n/a n/a n/a 62 (28) n/a n/a

Source: AirNow (EPA), Virginia Dept. of Environmental Quality, Maryland Department of the Environment, West Virginia Division of Air Quality - Wheeling

Extended Forecast

 
Hour
AQI
Primary
Wind Dir
 
Wind Speed ( mph kmh)
Temp (°F°C)
Thursday, Oct 18Friday, Oct 19Saturday, Oct 20Sunday, Oct 21Monday, Oct 22
7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm
33465662697479787873686663585343323135394142434138363737383838373635343131313131343333323130292725232527303029292826252422202020202122232425252524242322212123242426293541373324252729313233343230
PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3O3
NNWNNWNWNWWNWWNWWWWWSWWSWSWSWSWSSWSSWSSWSSWSSWSSWSSWSSSSSSSSWSSWSSWSSWSSWSSWSSWSSWSSWSWSWWSWWSWWSWWWWWWWWNWWNWWNWWNWWNWWNWWNWWNWWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNWWNWWNWWNWWNWWNWWNWWSWWSWWSWWSWWSWWSWSSWSSWSSWSSWSSWSSWSSSSS
6 9 5 8 3 5 3 5 3 5 3 5 3 5 3 5 3 5 2 4 2 4 2 4 2 4 2 4 3 5 6 9 7 11 8 13 9 15 9 15 10 17 10 17 10 17 10 17 9 15 9 15 8 13 8 13 7 11 7 11 7 11 7 11 8 13 9 15 9 15 8 13 7 11 6 9 6 10 7 11 7 11 8 13 9 15 10 17 11 18 12 19 13 21 12 19 10 17 9 15 10 15 10 16 10 17 11 18 12 19 13 21 13 22 14 23 15 24 15 24 14 23 14 22 15 24 16 26 17 28 17 28 17 28 17 28 16 27 16 25 15 24 13 21 11 18 9 15 9 14 8 13 7 12 7 11 6 10 6 9 6 9 5 9 5 8 5 8 5 8 5 8 5 8 6 9 6 10 7 11 7 12 8 13 8 12 7 12 7 11 7 11 6 10
47 8 43 6 41 5 40 4 39 4 39 4 39 4 39 4 38 3 38 3 37 3 33 1 32 0 34 1 39 4 46 8 53 12 57 14 60 16 61 16 61 16 61 16 59 15 59 15 57 14 56 13 55 13 55 13 54 12 54 12 53 12 53 12 53 12 53 12 52 11 52 11 53 11 53 12 55 13 58 14 60 16 61 16 62 17 63 17 62 17 62 17 61 16 59 15 56 14 54 12 53 11 51 11 50 10 49 9 48 9 47 8 47 8 46 8 46 8 45 7 45 7 44 7 45 7 47 8 48 9 49 9 49 10 50 10 50 10 49 10 49 9 47 8 45 7 43 6 42 6 41 5 41 5 40 4 39 4 38 3 38 3 38 3 38 3 38 3 38 3 38 3 41 5 43 6 46 8 49 9 51 11 54 12 53 12 52 11 51 11 50 10 49 9

Source: CAMS

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