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Air Quality

Updated 32 minutes ago

33

Good

Primary Pollutant: PM2.5

O3 53 µg/m3 (24)
PM2.5 8 µg/m3 (33)
CO 157 µg/m3 (2)
NO2 6 µg/m3 (3)
SO2 2 µg/m3 (0)

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

23

O3 n/a n/a 3.76 (2) 50 (23) n/a n/a
Howard County Near R

33

PM2.5 8 (33) n/a 26 (13) n/a 481 (5) n/a
Franconia

27

O3 4.9 (20) n/a n/a 60 (27) n/a 0 (0)
Sumerduck

19

O3 n/a n/a n/a 42 (19) n/a n/a
Rockville

33

PM2.5 8 (33) n/a n/a 50 (23) n/a n/a
South Carroll

26

O3 n/a n/a n/a 58 (26) n/a n/a
Martinsburg

22

O3 n/a n/a n/a 48 (22) n/a n/a
Mcmillan Reservoir

25

PM2.5 6 (25) n/a n/a n/a n/a n/a
Ashburn

26

O3 n/a n/a 7.52 (4) 58 (26) n/a n/a
Baltimore County Nea

7

NO2 n/a n/a 15 (7) n/a n/a n/a

Source: AirNow (EPA), Virginia Dept. of Environmental Quality, Maryland Department of the Environment, West Virginia Division of Air Quality - Wheeling, District of Columbia - Department of Energy and Environment

Extended Forecast

 
Hour
AQI
Primary
Wind Dir
 
Wind Speed ( mph kmh)
Temp (°F°C)
Saturday, Jun 23Sunday, Jun 24Monday, Jun 25Tuesday, Jun 26Wednesday, Jun 27
3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm
29313337405463656866666463636262635955473633292726262630344352535453525252535454534842352827262830333640445255555555545351494849504439363330272828293135394245464750525151484646464545454545444546
PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5
SSWSWSWSWSWSWSWWSWWSWWSWWSWWWWWWWWWWWWWWWWWWWNWWNWWNWWNWWNWNWNWNWNWNWNWNNWNNWNNWNNNNNNNNNNNNNNENNENNENNENNENNENENENENENENESSESSESSESSESSESSESSESSESSESSESSESSESSSSSSSSSSSSSSSSSSS
8 13 8 13 8 13 8 13 7 11 6 9 6 9 5 8 5 8 5 8 5 8 5 8 5 8 3 5 3 5 3 5 3 5 3 5 5 8 7 11 8 13 9 15 9 15 9 15 10 17 10 17 10 17 9 15 8 13 7 11 7 11 6 9 6 9 6 9 5 8 5 8 5 8 5 9 6 9 6 10 7 11 7 11 8 13 9 15 10 17 10 16 10 15 9 15 9 15 9 15 9 15 8 13 7 11 6 9 5 9 5 8 5 7 4 7 4 6 3 5 3 5 3 5 3 5 3 4 2 4 2 4 3 4 3 5 3 6 4 6 4 7 5 8 5 8 5 9 6 9 6 10 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 9 14 9 15 10 16 10 17 11 17 11 18 11 18
81 27 81 27 81 27 80 27 78 26 78 26 76 24 74 23 73 23 72 22 72 22 71 22 70 21 69 21 69 21 69 21 71 22 73 23 76 24 79 26 81 27 83 28 84 29 85 29 86 30 86 30 85 29 84 29 82 28 80 27 78 26 76 24 74 23 73 23 72 22 71 22 70 21 70 21 69 21 70 21 71 22 72 22 74 24 77 25 79 26 80 27 81 27 82 28 82 28 81 27 81 27 79 26 78 25 76 24 74 24 73 23 71 22 69 21 68 20 66 19 66 19 67 19 67 19 67 20 68 20 68 20 70 21 72 22 74 23 76 24 78 26 80 27 79 26 79 26 78 26 77 25 77 25 76 24 75 24 74 23 73 23 71 22 70 21 69 21 69 21 70 21 70 21 70 21 71 21 71 22 73 23 75 24 77 25 79 26 81 27 83 28 83 28

Source: CAMS

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