Good
Primary Pollutant: O3
O3 | 83 µg/m3 (38) |
PM2.5 | 5 µg/m3 (21) |
PM10 | 15 µg/m3 (14) |
CO | 362 µg/m3 (4) |
NO2 | 10 µg/m3 (5) |
SO2 | 14 µg/m3 (7) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Rose Hill | 31 |
O3 | n/a | n/a | n/a | 69 (31) | n/a | 1.048 (1) |
Haymarket | 29 |
O3 | n/a | n/a | 3.948 (2) | 63 (29) | n/a | n/a |
Ashburn | 28 |
O3 | n/a | n/a | 6.956 (3) | 61 (28) | n/a | n/a |
Aquia Harbour | 31 |
O3 | n/a | n/a | n/a | 69 (31) | n/a | n/a |
Arlington | 31 |
O3 | n/a | n/a | 18 (9) | 69 (31) | 115 (1) | n/a |
Washington D.C. | 17 |
PM2.5 | 4 (17) | n/a | n/a | n/a | n/a | n/a |
Washington D.C. | 36 |
O3 | 0 (0) | n/a | 7.144 (4) | 78 (36) | 344 (3) | n/a |
Fairmount Heights | 26 |
O3 | 2 (8) | n/a | 17 (8) | 57 (26) | n/a | n/a |
Takoma Park | 37 |
O3 | n/a | n/a | 5.264 (3) | 80 (37) | n/a | n/a |
Fairmount Heights | 21 |
PM2.5 | 5 (21) | n/a | 36 (18) | n/a | 344 (3) | 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, May 15 | Thursday, May 16 | Friday, May 17 | Saturday, May 18 | Sunday, May 19 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 6am | 7am | 8am | 9am | 10am | 11am |
39 | 40 | 43 | 47 | 31 | 30 | 31 | 31 | 31 | 29 | 28 | 27 | 27 | 27 | 26 | 25 | 25 | 26 | 28 | 27 | 27 | 27 | 28 | 30 | 30 | 32 | 33 | 34 | 34 | 34 | 33 | 30 | 28 | 29 | 27 | 26 | 26 | 25 | 23 | 21 | 21 | 20 | 18 | 18 | 18 | 23 | 25 | 26 | 30 | 32 | 35 | 37 | 38 | 39 | 39 | 41 | 40 | 35 | 33 | 33 | 28 | 27 | 27 | 28 | 29 | 29 | 28 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 27 | 28 | 29 |
O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | 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 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 |
NE | NE | NE | NE | NE | NE | NNE | NNE | NNE | N | N | N | N | N | NNW | NNW | NNW | NNW | NNW | NNW | NW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | N | NNE | NNE | NE | NE | NE | NE | NE | NE | NNE | NNE | N | N | N | N | N | NE | NE | NE | NE | ENE | ENE | E | E | E | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | NE | NE | NE | NE | NE | NE | NE |
8 14 | 9 14 | 8 14 | 9 15 | 9 14 | 8 13 | 7 12 | 7 11 | 6 10 | 5 8 | 5 8 | 6 10 | 5 8 | 5 8 | 5 8 | 6 10 | 7 11 | 7 11 | 7 11 | 7 11 | 7 12 | 8 12 | 9 14 | 11 17 | 11 18 | 12 19 | 13 21 | 13 20 | 12 20 | 11 17 | 10 16 | 8 12 | 8 13 | 7 12 | 7 11 | 6 10 | 5 8 | 6 9 | 5 8 | 5 7 | 4 7 | 4 7 | 4 7 | 4 7 | 5 8 | 7 11 | 7 11 | 6 10 | 6 10 | 7 11 | 6 10 | 7 11 | 8 12 | 8 12 | 8 13 | 7 12 | 7 11 | 7 11 | 8 12 | 7 11 | 7 11 | 5 9 | 5 8 | 4 7 | 4 6 | 4 6 | 4 6 | 5 8 | 5 8 | 6 9 | 6 9 | 6 9 | 5 9 | 7 11 | 8 13 | 9 14 | 9 15 | 9 15 | 9 14 | 9 14 | 8 13 | 8 13 | 8 12 | 7 12 | 7 12 | 7 12 | 7 12 | 7 12 | 8 13 | 7 12 | 7 12 | 8 13 | 9 15 | 10 16 | 10 16 | 10 16 | 10 15 |
61 16 | 61 16.3 | 62 16.6 | 63 17 | 63 17.2 | 64 17.8 | 64 18 | 64 18 | 64 17.7 | 63 17.2 | 62 16.7 | 61 16.3 | 61 15.9 | 60 15.6 | 59 15.2 | 59 15 | 59 14.8 | 58 14.5 | 58 14.3 | 58 14.2 | 59 14.8 | 62 16.5 | 65 18.4 | 68 19.9 | 70 21.3 | 72 22.2 | 73 22.8 | 74 23.3 | 74 23.1 | 75 23.7 | 74 23.1 | 74 23.2 | 73 22.6 | 71 21.5 | 69 20.3 | 66 19 | 64 17.8 | 62 16.8 | 61 15.9 | 59 15 | 59 15.1 | 59 14.8 | 58 14.5 | 59 15.3 | 61 16.1 | 62 16.9 | 64 17.9 | 66 18.9 | 68 20 | 69 20.4 | 70 20.9 | 71 21.4 | 71 21.7 | 72 22 | 72 22.3 | 71 21.5 | 69 20.6 | 68 19.7 | 66 18.8 | 64 18 | 63 17.1 | 61 16.4 | 60 15.6 | 59 14.9 | 59 14.8 | 58 14.7 | 58 14.5 | 58 14.6 | 58 14.7 | 59 14.7 | 59 14.9 | 59 15.1 | 60 15.3 | 60 15.6 | 61 15.9 | 61 16.3 | 61 16.2 | 61 16.2 | 61 16.2 | 60 15.7 | 60 15.3 | 59 14.9 | 58 14.5 | 57 14.1 | 57 13.7 | 56 13.5 | 56 13.3 | 55 13.1 | 55 13 | 55 13 | 55 12.9 | 56 13.3 | 57 13.6 | 57 14 | 58 14.4 | 59 14.7 | 59 15.1 |
Source: CAMS, Vaisala Xweather
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