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38.88101, -77.10428

Air Quality

Updated 2 hours ago

56

Moderate

Primary Pollutant: PM2.5

O3 104 µg/m3 (47)
PM2.5 14 µg/m3 (56)
PM10 31 µg/m3 (28)
CO 359 µg/m3 (3)
NO2 16 µg/m3 (8)
SO2 1 µg/m3 (1)

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

45

O3 n/a n/a 5.64 (3) 100 (45) n/a n/a
Padonia

45

O3 11 (45) n/a n/a 98 (45) n/a n/a
Howard County Near R

45

PM2.5 11 (45) n/a 58 (29) n/a 344 (3) n/a
Franconia

58

PM2.5 16 (58) n/a n/a 100 (45) n/a 0 (0)
Southern Maryland

35

O3 n/a n/a n/a 78 (35) n/a n/a
Sumerduck

35

O3 n/a n/a n/a 78 (35) n/a n/a
Corbin

38

O3 n/a n/a n/a 84 (38) n/a n/a
Rockville

48

O3 9 (37) n/a n/a 106 (48) n/a n/a
South Carroll

44

O3 n/a n/a n/a 96 (44) n/a n/a
Essex

46

O3 n/a n/a 7.52 (4) 102 (46) 115 (1) 2.62 (1)

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, May 23Friday, May 24Saturday, May 25Sunday, May 26Monday, May 27
2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm
61565146435055565757565451423433343536384144454647474848464544424852555351484551554942373538404244444545434138373736384245495255596062595652464546454545455460575352515150515148464033343741424445
PM2.5PM2.5PM2.5O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3PM2.5O3O3O3O3O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3
SWSWSWSWWSWWSWWWWWWWWWNWWNWNWNWNWNWNWNWNWNWNWNWNWNWNWNNWNNWNNWNNNNNENENEENEENEENEESEESEESESSESSESSESSSSSSSSSSSWSSWSSWSSWSSWSSWWWWWWWWWWWWWNWNWNWNWNWNWNWNWNWNWNWNWNNWNNWNNWNNWNNWNNWNWNWNWNWNWNW
10 17 10 17 11 18 11 18 11 18 11 18 11 18 9 15 7 11 6 9 8 13 8 13 8 13 8 13 9 15 10 17 10 17 11 18 11 18 13 21 14 22 14 22 14 22 13 21 13 21 13 21 14 22 14 22 13 21 10 17 8 13 7 11 6 9 6 9 5 8 5 8 3 5 3 5 3 5 3 5 3 5 3 5 3 5 4 7 5 8 6 9 6 10 7 11 7 11 8 12 8 14 9 15 8 14 8 12 7 11 7 11 7 11 6 10 6 10 6 10 6 9 6 9 6 9 6 9 6 9 6 9 6 9 6 10 7 11 7 11 7 12 8 12 8 13 8 13 8 12 7 12 7 12 7 11 7 11 6 10 6 9 5 8 5 7 4 6 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
84 29 86 30 87 31 87 31 86 30 84 29 80 27 78 26 76 24 75 24 73 23 73 23 71 22 70 21 70 21 69 21 69 21 70 21 71 22 73 23 75 24 77 25 78 26 79 26 80 27 80 27 80 27 79 26 78 26 76 24 74 23 72 22 70 21 69 21 67 19 67 19 65 18 64 18 64 18 63 17 64 18 66 19 67 19 70 21 73 23 76 24 77 25 79 26 80 27 80 27 81 27 81 27 80 26 78 26 77 25 76 24 75 24 73 23 72 22 71 22 70 21 71 22 72 22 73 23 73 23 74 23 75 24 77 25 79 26 82 28 84 29 86 30 88 31 87 31 86 30 86 30 85 29 84 29 83 28 82 28 80 27 79 26 77 25 76 24 74 23 74 23 74 23 74 23 74 23 74 23 74 23 76 24 77 25 79 26 81 27 82 28 84 29

Source: CAMS

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