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39.29038, -76.61219

Air Quality

Updated 2 hours ago

28

Good

Primary Pollutant: O3

O3 61 µg/m3 (28)
PM2.5 5 µg/m3 (20)
CO 132 µg/m3 (1)
NO2 40 µg/m3 (20)
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

36

O3 6 (25) n/a n/a 80 (36) n/a n/a
Padonia

29

PM2.5 7 (29) n/a n/a 52 (24) n/a n/a
Howard County Near R

25

NO2 1 (4) n/a 51 (25) n/a 34 (0) n/a
Franconia

25

PM2.5 6 (25) n/a n/a n/a n/a 2.62 (1)
York

32

O3 6.7 (28) n/a n/a 70 (32) n/a n/a
Furley

31

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

31

O3 2 (8) n/a n/a 68 (31) n/a n/a
South Carroll

35

O3 n/a n/a n/a 76 (35) n/a n/a
Aldino

35

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

26

O3 n/a n/a 30 (15) 58 (26) 229 (2) 5.24 (3)

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)
Friday, Feb 22Saturday, Feb 23Sunday, Feb 24Monday, Feb 25Tuesday, Feb 26
4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am
26262727282524252526272829324152575860616162625855514338343127262526262627272725252525252525232120191918181818202224273135343230303132313130302928272726262626272829293031302928282726252525242323
PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3
NWNNWNNWNNWNNWNNNNNWNNWNNWNNWNNWNNWNNNNNENNENNENNENNENENENEENEENEENEEEEESEESEESEESEESEESEEEEEEEEEESSSSSSSSWSSWSSWWSWWSWWSWWWWWWWWWWWWWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWNWNWNW
5 8 5 8 3 5 3 5 5 8 5 8 6 9 6 9 5 8 5 8 5 8 5 8 5 8 5 8 3 5 3 5 3 5 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 3 5 3 5 5 8 5 8 6 9 6 9 6 9 6 9 6 9 7 11 7 11 7 11 6 10 6 9 6 9 6 9 6 9 5 7 3 6 2 4 3 5 4 6 5 8 5 8 5 9 6 9 8 12 10 15 11 18 15 23 18 28 21 33 23 36 25 39 26 42 25 39 23 36 21 33 20 32 19 30 18 29 17 27 16 26 15 24 16 25 16 27 17 28 18 29 19 30 19 31 20 32 20 32 20 32 20 33 21 33 21 33 20 32 19 30 18 29 17 27 16 26 15 24 13 22 12 19 10 17 9 14 7 12 6 9 6 9 5 9 5 8
43 6 40 4 40 4 38 3 39 4 40 4 41 5 42 6 43 6 44 7 44 7 44 7 44 7 43 6 42 6 41 5 40 4 39 4 39 4 38 3 38 3 37 3 36 2 36 2 35 2 35 2 35 2 35 2 36 2 38 3 39 4 40 4 41 5 41 5 41 5 41 5 41 5 41 5 40 5 40 4 40 4 40 4 40 4 40 4 40 4 40 4 40 5 41 5 41 5 42 5 42 6 43 6 46 8 48 9 51 11 53 12 56 13 58 14 58 14 58 14 58 14 55 13 53 11 50 10 48 9 46 8 44 7 43 6 41 5 39 4 39 4 38 3 38 3 38 3 37 3 37 3 38 4 40 4 41 5 42 6 44 7 45 7 44 7 43 6 43 6 42 5 41 5 40 4 39 4 38 3 37 3 36 2 35 2 34 1 34 1 33 1 33 1

Source: CAMS

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