Good
Primary Pollutant: PM2.5
O3 | 9 µg/m3 (4) |
PM2.5 | 2 µg/m3 (9) |
PM10 | 3 µg/m3 (3) |
CO | 52 µg/m3 (1) |
NO2 | 2 µg/m3 (1) |
SO2 | 1 µg/m3 (1) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Rose Hill | 16 |
O3 | 3.9 (16) | 6 (5) | n/a | 35 (16) | n/a | 1.048 (1) |
Haymarket | 14 |
O3 | n/a | n/a | 2.632 (1) | 31 (14) | n/a | n/a |
Remington | 11 |
O3 | n/a | n/a | n/a | 24 (11) | n/a | n/a |
Aquia Harbour | 16 |
O3 | n/a | n/a | n/a | 35 (16) | n/a | n/a |
Ashburn | 17 |
PM2.5 | 4 (17) | 6 (5) | 3.384 (2) | 35 (16) | n/a | n/a |
Arlington | 18 |
O3 | n/a | n/a | 5.64 (3) | 39 (18) | 229 (2) | n/a |
Washington D.C. | 21 |
PM2.5 | 5 (21) | n/a | n/a | n/a | n/a | n/a |
Washington D.C. | 19 |
O3 | 1 (4) | n/a | n/a | 41 (19) | 344 (3) | n/a |
Fairmount Heights | 14 |
O3 | 3 (12) | n/a | 11 (5) | 31 (14) | n/a | n/a |
Takoma Park | 20 |
O3 | n/a | n/a | 1.316 (1) | 43 (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) |
Sunday, May 5 | Monday, May 6 | Tuesday, May 7 | Wednesday, May 8 | Thursday, May 9 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 6am |
7 | 12 | 15 | 18 | 21 | 20 | 21 | 22 | 21 | 22 | 22 | 21 | 23 | 20 | 21 | 24 | 27 | 24 | 20 | 21 | 24 | 29 | 29 | 29 | 31 | 35 | 31 | 24 | 24 | 25 | 31 | 33 | 43 | 47 | 37 | 31 | 32 | 40 | 53 | 58 | 58 | 61 | 63 | 65 | 57 | 48 | 43 | 44 | 50 | 55 | 44 | 47 | 48 | 50 | 41 | 44 | 50 | 54 | 55 | 58 | 58 | 59 | 59 | 60 | 57 | 58 | 57 | 59 | 56 | 53 | 53 | 52 | 52 | 51 | 52 | 52 | 52 | 50 | 45 | 48 | 53 | 48 | 46 | 43 | 39 | 40 | 44 | 46 | 46 | 46 | 46 | 46 | 42 | 42 | 40 | 38 | 33 |
PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | O3 | O3 | O3 | O3 | O3 | O3 | 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 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | O3 | O3 | O3 | O3 | 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 | 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 | 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 | 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 |
E | ESE | ESE | SE | SSE | S | S | S | S | S | SSE | S | S | S | S | S | SSE | S | S | S | S | SSW | SSW | SSW | SSW | SSW | SW | WSW | W | W | W | WSW | SW | SW | SSW | S | S | SSE | SSW | SSW | NE | S | S | SSE | SSE | SSE | WNW | NW | NW | NNW | W | SE | SE | SSE | SSW | SSW | SW | SW | SW | SW | SW | S | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | SW | WSW | W | WNW | W | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NW | NW | NNW | N | NNE | NE | NE | NE | ENE | E |
6 10 | 6 10 | 6 9 | 4 7 | 4 7 | 5 8 | 6 9 | 5 8 | 6 10 | 6 10 | 7 11 | 8 12 | 8 12 | 7 12 | 5 9 | 6 10 | 6 10 | 5 8 | 5 8 | 5 8 | 5 8 | 5 8 | 4 7 | 4 6 | 4 6 | 4 6 | 4 6 | 4 7 | 3 5 | 3 5 | 3 4 | 2 4 | 3 4 | 3 5 | 3 6 | 3 5 | 2 3 | 2 3 | 4 7 | 3 4 | 1 2 | 1 2 | 1 2 | 2 3 | 3 4 | 1 2 | 0 0 | 1 2 | 1 2 | 0 1 | 1 1 | 0 1 | 1 2 | 2 3 | 2 3 | 3 5 | 4 7 | 4 7 | 4 7 | 3 5 | 3 5 | 4 6 | 4 7 | 4 7 | 4 6 | 4 6 | 4 6 | 4 7 | 4 7 | 5 7 | 4 7 | 5 8 | 4 7 | 4 6 | 4 7 | 9 14 | 11 18 | 12 19 | 14 22 | 15 24 | 15 25 | 15 24 | 13 22 | 11 18 | 10 16 | 8 12 | 6 10 | 5 9 | 5 7 | 5 8 | 5 8 | 3 4 | 3 5 | 3 5 | 4 6 | 6 10 | 7 12 |
56 13.1 | 56 13.4 | 57 13.9 | 58 14.5 | 59 15.3 | 61 16.2 | 63 17.2 | 65 18.3 | 66 18.9 | 67 19.6 | 69 20.4 | 70 21.1 | 70 21.3 | 68 20.3 | 67 19.4 | 66 19 | 65 18.6 | 65 18.3 | 65 18.1 | 64 17.9 | 64 17.8 | 64 17.9 | 64 18 | 64 17.9 | 64 18 | 65 18.3 | 66 18.9 | 68 19.8 | 69 20.6 | 71 21.5 | 72 22.4 | 74 23.4 | 76 24.4 | 78 25.3 | 79 26.1 | 80 26.6 | 79 26.3 | 78 25.5 | 75 24.1 | 73 22.8 | 71 21.7 | 69 20.6 | 68 20.1 | 67 19.6 | 67 19.2 | 66 19 | 66 18.8 | 65 18.6 | 66 18.9 | 66 19.1 | 67 19.4 | 69 20.4 | 70 21.4 | 72 22.4 | 73 23 | 75 23.7 | 76 24.3 | 77 24.9 | 78 25.4 | 79 25.9 | 77 24.8 | 75 23.7 | 73 22.7 | 71 21.9 | 70 21.2 | 69 20.4 | 68 20 | 67 19.6 | 67 19.2 | 66 19.1 | 66 19.1 | 66 19.1 | 68 19.8 | 69 20.5 | 70 21.1 | 73 22.8 | 76 24.4 | 79 26 | 80 26.8 | 82 27.7 | 83 28.5 | 83 28.5 | 83 28.4 | 83 28.4 | 81 27.3 | 79 26.2 | 77 25.1 | 74 23.6 | 72 22.2 | 69 20.7 | 68 20.2 | 68 19.8 | 67 19.4 | 66 19.2 | 66 19 | 66 18.8 | 66 19 |
Source: CAMS, Vaisala Xweather
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