This demonstration page uses our WeatherBlox Air Quality layout. Learn more.

Air Quality

Updated 12 minutes ago

29

Good

Primary Pollutant: O3

O3 64 µg/m3 (29)
PM2.5 7 µg/m3 (29)
CO 137 µg/m3 (1)
NO2 18 µg/m3 (9)
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)
River_terrace

31

O3 6 (25) n/a 15 (7) 68 (31) n/a n/a
Mcmillan Reservoir

4

PM2.5 1 (4) n/a n/a n/a n/a n/a
Mcmillan Ncore

35

O3 n/a n/a 15 (7) 78 (35) n/a n/a
Takomarec

34

O3 n/a n/a 13 (6) 74 (34) n/a n/a
Dcnearroad

12

PM2.5 3 (12) n/a 15 (7) n/a 195 (2) n/a
Baltimore County Nea

26

NO2 n/a n/a 53 (26) n/a n/a n/a
Howard County Near R

12

PM2.5 3 (12) n/a 21 (10) n/a 183 (2) n/a
Rockville

36

O3 7 (29) n/a n/a 80 (36) n/a n/a
Hu-Beltsville

35

O3 5 (21) n/a 5.64 (3) 78 (35) 149 (1) 0 (0)
Beltsville

35

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

Source: AirNow (EPA), District of Columbia - Department of Energy and Environment, Maryland Department of the Environment, EPA Office of Atmospheric Programs

Extended Forecast

 
Hour
AQI
Primary
Wind Dir
 
Wind Speed ( mph kmh)
Temp (°F°C)
Thursday, May 13Friday, May 14Saturday, May 15Sunday, May 16Monday, May 17
10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm
33343533333537394041373536333135353535353535455151517777777777515151515149434141404040404147515177777777777777777777777751515151777777777777777777777777775151515151515151514946464549495051517777
PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5
NWNWNWNWNWNWNWNWNWNNWNNWNNWNNNNNNNNNNWNNWNWWNWWWSWWWWWNWWNWNWNWNWNWNWNWWNWWNWWNWSSSSWSWSWWSWWSWWSWSSSSSWSSWSSWSWSWSWSSSSSSSSSSSSSSSSSSSSSSSSSSESSESSESSESSESSESSSSSSSSS
2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 3 2 3 2 3 2 4 2 4 3 5 3 5 3 5 3 5 3 5 5 8 5 8 3 5 3 5 3 5 2 3 1 2 1 1 1 2 1 2 0 0 0 0 0 0 0 0 0 0 1 2 1 2 3 5 2 4 2 4 2 4 2 4 2 4 2 4 3 4 3 5 3 5 3 5 3 4 2 4 2 3 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 2 2 2 3 2 4 3 4 3 5 3 5 5 8 6 10 8 13 8 12 7 12 7 11 6 9 5 7 3 5 3 5 3 5 3 5 3 5 3 5 3 5 4 6 4 6 4 7 4 7 5 7 5 8 5 9 6 9 6 10 7 11 8 12 8 13 8 12 7 11 6 10 6 9 5 9 5 8 5 7 4 7
54 12 51 10 50 10 48 9 47 8 46 8 44 7 43 6 45 7 47 8 50 10 55 13 60 15 65 18 67 19 68 20 69 20 69 20 69 20 69 21 68 20 66 19 64 18 61 16 58 14 55 13 53 12 51 11 50 10 49 10 48 9 47 8 48 9 51 10 53 12 58 14 62 17 67 19 68 20 70 21 71 22 71 22 71 22 71 22 69 21 68 20 66 19 63 17 61 16 58 14 57 14 55 13 54 12 53 12 52 11 51 11 52 11 54 12 55 13 58 15 62 16 65 18 66 19 67 19 68 20 68 20 68 20 68 20 67 20 66 19 66 19 64 18 63 17 61 16 60 15 58 15 57 14 57 14 57 14 56 14 56 14 56 13 56 13 58 14 60 15 62 16 63 17 65 18 67 19 67 19 66 19 66 19 66 19 65 18 65 18 64 18 63 17

Source: CAMS

Powered by AerisWeather