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39.29038, -76.61219

Air Quality

Updated 2 hours ago

52

Moderate

Primary Pollutant: PM2.5

O3 49 µg/m3 (22)
PM2.5 13 µg/m3 (52)
CO 248 µg/m3 (2)
NO2 28 µg/m3 (14)
SO2 5 µg/m3 (3)

Source: AirNow (EPA), Maryland Department of the Environment, EPA Office of Atmospheric Programs, CAMS

Nearby Stations

Station AQI Primary Pollutant PM2.5 (AQI) PM10 (AQI) NO2 (AQI) OZONE (AQI) CO (AQI) SO2 (AQI)
Fair Hill

65

PM2.5 19 (65) n/a n/a n/a n/a n/a
Howard County Near R

59

PM2.5 16 (59) n/a 49 (24) n/a 286 (3) n/a
Franconia

40

PM2.5 9.6 (40) n/a n/a n/a n/a 5.24 (3)
York

75

PM2.5 23 (75) n/a n/a 42 (19) n/a n/a
Rockville

45

PM2.5 11 (45) n/a n/a n/a n/a n/a
Essex

25

O3 n/a n/a 9.4 (5) 56 (25) 229 (2) 2.62 (1)
Baltimore County Nea

15

NO2 n/a n/a 30 (15) n/a n/a n/a
York Dw

24

O3 n/a n/a n/a 52 (24) n/a n/a

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

Extended Forecast

 
Hour
AQI
Primary
Wind Dir
 
Wind Speed ( mph kmh)
Temp (°F°C)
Thursday, Dec 13Friday, Dec 14Saturday, Dec 15Sunday, Dec 16Monday, Dec 17
11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am
61616161636669727475757472706966656565676969686663636465676971747678807773665953424039373635343536343331282624242223242424242424242423222121222222222322212020191919191919191919191917151415182122
PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3
SESEESEESEESEEEEEEENEENEENEENEENEENEENEENEENEENEENEENEEEEESESEESEEEEENEENEENEENEENEENEENEENEENEENEENENENENENENENENNENNENNEENEENEENENENENEENEENEENEENEENEENENENENENENENENNENNENNENNENNENNENNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWNNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNW
3 5 3 5 3 5 3 5 5 8 5 8 5 8 3 5 3 5 3 5 5 8 5 8 5 8 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 3 5 3 5 5 8 5 8 5 8 5 8 5 8 5 8 5 8 5 8 4 6 3 5 2 4 4 6 5 9 7 11 6 9 5 7 3 5 5 9 7 12 9 15 8 13 7 11 6 9 7 11 7 12 8 13 7 12 7 11 6 9 6 10 6 10 6 10 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 12 7 12 8 12 8 13 8 13 8 13 8 12 7 12 7 12 7 11 7 11 7 11 6 10 6 9 5 9 5 8 5 8 5 8 5 8 5 8 5 9 6 9 6 9 7 11 8 12 9 14 10 15
43 6 44 7 45 7 45 7 45 7 44 7 43 6 42 6 42 6 41 5 41 5 40 4 40 4 40 4 40 4 39 4 39 4 39 4 39 4 39 4 39 4 40 4 42 6 44 7 45 7 47 8 48 9 49 9 49 9 48 9 48 9 47 8 47 8 46 8 46 8 46 8 46 8 45 7 45 7 45 7 45 7 45 7 45 7 45 7 45 7 46 8 47 8 48 9 49 9 50 10 51 11 51 10 50 10 50 10 49 9 48 9 47 8 47 8 46 8 46 8 45 7 44 7 44 7 44 6 43 6 43 6 43 6 42 6 42 6 42 6 43 6 44 6 44 7 45 7 45 7 44 7 44 6 43 6 42 6 42 5 41 5 41 5 40 5 40 4 40 4 39 4 39 4 39 4 39 4 38 4 38 4 38 3 38 3 40 4 41 5 43 6 44 7

Source: CAMS

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