Good
Primary Pollutant: O3
O3 | 57 µg/m3 (26) |
PM2.5 | 4 µg/m3 (17) |
PM10 | 11 µg/m3 (10) |
CO | 366 µg/m3 (4) |
NO2 | 54 µg/m3 (26) |
SO2 | 3 µg/m3 (2) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Rose Hill | 43 |
PM2.5 | 10 (43) | 17 (15) | n/a | n/a | n/a | 1.572 (1) |
Haymarket | 6 |
NO2 | n/a | n/a | 13 (6) | n/a | n/a | n/a |
Ashburn | 49 |
PM2.5 | 12 (49) | 16 (15) | 8.084 (4) | n/a | n/a | n/a |
Aquia Harbour | 20 |
O3 | n/a | n/a | n/a | 43 (20) | n/a | n/a |
Corbin | 20 |
O3 | n/a | n/a | n/a | 45 (20) | n/a | n/a |
Arlington | 3 |
NO2 | n/a | n/a | 6.58 (3) | n/a | 115 (1) | n/a |
Washington D.C. | 55 |
PM2.5 | 14 (55) | n/a | n/a | n/a | n/a | n/a |
Washington D.C. | 45 |
PM2.5 | 11 (45) | 14 (13) | 9.588 (5) | 47 (21) | 344 (3) | n/a |
Fairmount Heights | 33 |
PM2.5 | 8 (33) | n/a | 5.828 (3) | 41 (19) | n/a | n/a |
Takoma Park | 20 |
O3 | n/a | n/a | 7.896 (4) | 45 (20) | n/a | n/a |
Source: Virginia Dept. of Environmental Quality, District of Columbia - Department of Energy and Environment
Hour |
AQI |
Primary |
Wind Dir |
Wind Speed ( mph kmh) |
Temp (°F°C) |
Wednesday, Dec 11 | Thursday, Dec 12 | Friday, Dec 13 | Saturday, Dec 14 | Sunday, Dec 15 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm | 12am | 1am | 2am | 3am | 4am | 5am |
56 | 55 | 54 | 53 | 31 | 31 | 30 | 30 | 27 | 21 | 21 | 29 | 37 | 31 | 41 | 50 | 44 | 37 | 23 | 25 | 26 | 25 | 24 | 23 | 23 | 24 | 24 | 23 | 24 | 26 | 28 | 28 | 30 | 31 | 31 | 29 | 29 | 36 | 41 | 49 | 50 | 46 | 42 | 42 | 42 | 45 | 46 | 51 | 55 | 62 | 68 | 73 | 75 | 67 | 45 | 41 | 41 | 42 | 42 | 50 | 65 | 77 | 77 | 54 | 55 | 57 | 58 | 59 | 60 | 38 | 37 | 38 | 37 | 38 | 42 | 46 | 42 | 33 | 32 | 29 | 29 | 29 | 29 | 32 | 42 | 46 | 49 | 49 | 49 | 46 | 45 | 41 | 37 | 37 | 37 | 37 | 37 |
O3 | NO2 | NO2 | NO2 | O3 | O3 | O3 | O3 | O3 | O3 | PM2.5 | PM2.5 | NO2 | NO2 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | O3 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | O3 | O3 | O3 | O3 | O3 |
S | S | S | S | S | SSW | SSW | SW | SW | WSW | WNW | NW | WNW | WNW | WNW | WNW | WNW | W | W | W | W | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | W | W | W | W | WNW | WNW | NW | NW | NW | NW | NW | NW | N | N | N | NNW | NNW | NNW | NNE | NNE | NNE | ENE | ENE | ENE | ENE | ENE | ENE | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | ENE | ENE | ENE | ENE | ENE | ENE | E | E | E | E | E | E | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE |
11 18 | 12 20 | 12 20 | 12 20 | 12 20 | 12 20 | 13 22 | 16 25 | 18 29 | 21 33 | 22 36 | 23 37 | 23 38 | 24 38 | 24 38 | 24 38 | 22 36 | 21 34 | 19 30 | 18 29 | 15 25 | 13 21 | 11 18 | 9 15 | 9 14 | 9 14 | 10 16 | 12 20 | 14 23 | 16 25 | 17 27 | 17 27 | 16 25 | 15 23 | 12 20 | 10 16 | 9 14 | 8 13 | 7 11 | 6 10 | 5 8 | 4 7 | 4 7 | 4 6 | 3 5 | 4 6 | 4 7 | 4 7 | 4 7 | 4 6 | 3 5 | 4 6 | 4 7 | 4 7 | 4 7 | 4 7 | 4 7 | 4 7 | 4 7 | 4 7 | 4 7 | 4 7 | 4 7 | 4 7 | 4 6 | 3 5 | 3 5 | 3 4 | 2 4 | 2 4 | 3 4 | 3 5 | 3 5 | 3 5 | 3 5 | 4 6 | 4 7 | 5 8 | 6 9 | 6 10 | 7 11 | 6 10 | 6 10 | 6 9 | 5 8 | 5 8 | 4 7 | 5 7 | 5 8 | 5 8 | 5 8 | 5 8 | 5 9 | 5 9 | 5 9 | 6 9 | 6 9 |
56 13.4 | 57 13.9 | 58 14.5 | 60 15.7 | 62 16.8 | 63 17.3 | 63 17.2 | 62 16.8 | 61 16.3 | 58 14.5 | 53 11.8 | 47 8.6 | 45 7.3 | 42 5.7 | 40 4.6 | 40 4.5 | 38 3.4 | 37 2.7 | 36 2.2 | 35 1.7 | 34 1.2 | 33 0.8 | 32 0.2 | 32 0.1 | 32 0.1 | 31 -0.4 | 33 0.6 | 33 0.6 | 36 2.2 | 39 3.8 | 40 4.5 | 41 5 | 41 5 | 41 5 | 41 5 | 40 4.5 | 38 3.4 | 36 2.3 | 34 1.2 | 33 0.5 | 31 -0.3 | 30 -1.1 | 29 -1.5 | 29 -1.9 | 28 -2.3 | 28 -2.4 | 27 -2.6 | 27 -2.8 | 27 -2.8 | 27 -2.8 | 27 -2.8 | 30 -1.1 | 33 0.5 | 36 2.2 | 38 3.3 | 40 4.4 | 42 5.6 | 42 5.4 | 41 5.2 | 41 5 | 39 3.9 | 37 2.8 | 35 1.7 | 34 1.2 | 33 0.8 | 33 0.3 | 32 -0.1 | 31 -0.6 | 30 -1.1 | 30 -1.1 | 30 -1.2 | 30 -1.3 | 29 -1.4 | 29 -1.5 | 29 -1.6 | 32 -0.3 | 34 1 | 36 2.4 | 39 3.7 | 41 5 | 43 6.3 | 42 5.7 | 41 5.1 | 40 4.6 | 39 4 | 38 3.4 | 37 2.8 | 37 2.9 | 37 3 | 38 3.1 | 38 3.2 | 38 3.3 | 38 3.4 | 38 3.6 | 39 3.8 | 39 4 | 39 4.1 |
Source: CAMS, Vaisala Xweather
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