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Air Quality

Updated 28 minutes ago

46

Good

Primary Pollutant: O3

O3 102 µg/m3 (46)
PM2.5 7 µg/m3 (29)
CO 177 µg/m3 (2)
NO2 3 µg/m3 (1)
SO2 4 µg/m3 (1)

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

41

O3 n/a n/a 1.88 (1) 90 (41) n/a n/a
Howard County Near R

61

PM2.5 17 (61) n/a 21 (10) n/a 263 (3) n/a
Franconia

45

O3 9.2 (38) n/a n/a 100 (45) n/a 2.62 (1)
Sumerduck

27

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

45

O3 7 (29) n/a n/a 100 (45) n/a n/a
South Carroll

54

O3 n/a n/a n/a 112 (54) n/a n/a
Martinsburg

48

O3 n/a n/a n/a 106 (48) n/a n/a
Ashburn

60

O3 n/a n/a 3.76 (2) 116 (60) n/a n/a
Baltimore County Nea

15

NO2 n/a n/a 30 (15) n/a n/a n/a
Pg Equestrian Center

57

O3 n/a n/a n/a 114 (57) 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, Aug 16Friday, Aug 17Saturday, Aug 18Sunday, Aug 19Monday, Aug 20
3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm
54514946505457565555555657575858585857596061626660606060616263636264666565687077847158524544444443424136333441515555544842383328283235374044464951515147454139363435414752525251514437394546464747
O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3
SSWSSWSSWSSWSSSESSSSSSSSSSSSWSSWSSWSSWSSWSSWSSWSSWSSWSWSWWSWWSWWSWWSWSWSWSWWSWWSWWSWWSWWSWWWWWWWWNWWNWWNWWNWWNWWNWWNWWNWWNWNNNNNNNNNNNNNNENNENNENNENNENNEENEENEENEENEENEENEEEEEEEENEENEENEENEENEENEESEESEESEESEESEESEESE
7 11 7 11 7 11 6 9 6 9 5 8 5 8 5 8 5 8 5 8 5 8 5 8 5 8 5 8 5 8 5 8 5 8 5 8 6 9 6 9 7 11 8 13 8 13 9 15 9 15 9 15 9 15 8 13 8 13 7 11 7 11 6 9 6 9 5 8 3 5 3 5 4 6 4 7 5 8 4 7 4 6 3 5 5 8 6 10 8 13 8 12 7 12 7 11 7 11 7 11 7 11 6 9 5 7 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 4 6 4 7 5 7 5 8 5 9 6 9 6 9 5 9 5 8 5 8 5 8 5 8 4 7 4 6 3 6 3 5 3 4 2 4 2 4 3 4 3 5 3 5 3 5 3 5 4 6 4 6 4 6 4 7 4 7 5 8 5 8
91 33 91 33 90 32 88 31 85 29 82 28 79 26 77 25 76 24 75 24 74 23 74 23 73 23 73 23 72 22 72 22 72 22 73 23 76 24 80 27 84 29 87 31 89 32 90 32 91 33 90 32 88 31 86 30 83 28 80 27 78 26 76 24 74 23 73 23 73 23 73 23 73 23 72 22 72 22 72 22 72 22 72 22 74 23 76 24 78 26 80 27 82 28 84 29 83 28 83 28 82 28 80 26 77 25 75 24 74 23 73 23 73 23 72 22 71 22 70 21 70 21 70 21 70 21 69 21 69 21 69 21 71 22 73 23 74 24 76 25 78 26 80 27 79 26 78 26 77 25 77 25 76 24 75 24 74 23 73 23 72 22 71 22 70 21 69 21 69 21 69 21 70 21 70 21 70 21 70 21 72 22 74 23 76 24 77 25 79 26 81 27 80 27

Source: CAMS

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