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38.88101, -77.10428

Air Quality

Updated 2 hours ago

29

Good

Primary Pollutant: O3

O3 65 µg/m3 (29)
PM2.5 4 µg/m3 (17)
PM10 20 µg/m3 (18)
CO 326 µg/m3 (3)
NO2 9 µg/m3 (4)
SO2 0 µg/m3 (0)

Source: AirNow (EPA), Virginia Dept. of Environmental Quality, District of Columbia - Department of Energy and Environment, 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

28

O3 n/a n/a 7.52 (4) 62 (28) n/a n/a
Padonia

28

O3 5 (21) n/a n/a 62 (28) n/a n/a
Howard County Near R

37

PM2.5 9 (37) n/a 30 (15) n/a 298 (3) n/a
Franconia

31

O3 3.4 (14) n/a n/a 68 (31) n/a 0 (0)
Southern Maryland

30

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

29

O3 n/a n/a n/a 64 (29) n/a n/a
Furley

27

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

30

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

20

O3 4 (17) n/a n/a 44 (20) n/a n/a
South Carroll

27

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

Source: AirNow (EPA), Virginia Dept. of Environmental Quality, Maryland Department of the Environment

Extended Forecast

 
Hour
AQI
Primary
Wind Dir
 
Wind Speed ( mph kmh)
Temp (°F°C)
Thursday, Sep 19Friday, Sep 20Saturday, Sep 21Sunday, Sep 22Monday, Sep 23
11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am
32353740414243424039454953555656555554545349443834374043434444434243454342403938383839434647475153474754576060514745444545454748495152535454535658565557545149495351474338373635353738404243444545
O3O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5
ENEENEEEEEEESEESEESESESESESSESSWSSWSWWSWWWWSWWSWWSWWSWWSWSWSWSWSWSWSWSWSSWSSWSSWSSWSWSWSWSWWSWWSWWSWWWWWWWSWSWSWWSWWSWWSWSSESSESSESSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSSSSSSSWSSWSSWSSWSSWSSWSWSWSWSWSWSWSWSWSW
7 11 7 11 6 9 6 9 6 9 6 9 6 9 6 9 5 8 5 8 3 5 2 4 2 4 2 4 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 5 8 5 8 5 8 5 8 5 8 5 8 6 9 6 9 6 9 5 8 5 8 5 8 3 5 3 5 3 5 3 4 2 4 3 4 3 5 3 5 3 5 3 4 2 4 3 4 3 5 3 5 3 4 2 3 1 2 2 3 3 4 3 5 3 5 3 4 2 4 2 4 3 4 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 4 2 4 2 4 3 5 4 6 5 7 5 9 6 10 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 11 6 10 6 10 6 10 6 9 6 10 7 11 7 11
68 20 69 21 71 22 72 22 72 22 72 22 71 22 69 21 67 19 64 18 63 17 61 16 60 16 59 15 59 15 58 14 57 14 57 14 57 14 57 14 57 14 59 15 63 17 67 19 71 22 74 23 76 24 77 25 78 26 78 26 77 25 75 24 72 22 70 21 68 20 67 19 65 18 64 18 64 18 63 17 63 17 62 17 62 17 63 17 63 17 64 18 68 20 73 23 77 25 79 26 82 28 84 29 84 29 84 29 84 29 81 27 79 26 76 24 75 24 73 23 72 22 71 21 69 21 68 20 67 20 67 19 66 19 66 19 66 19 65 18 69 21 73 23 78 25 82 28 86 30 90 32 88 31 87 30 85 29 83 29 82 28 80 27 79 26 77 25 76 24 75 24 73 23 72 22 72 22 72 22 72 22 71 22 71 22 71 22 73 23 76 24 78 26

Source: CAMS

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