Good
Primary Pollutant: PM2.5
O3 | 15 µg/m3 (7) |
PM2.5 | 7 µg/m3 (29) |
PM10 | 10 µg/m3 (9) |
CO | 110 µg/m3 (1) |
NO2 | 6 µg/m3 (3) |
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 | 28 |
PM2.5 | 6.7 (28) | 19 (17) | n/a | 33 (15) | n/a | 1.048 (1) |
Middleway | 42 |
PM2.5 | 10 (42) | 24 (22) | n/a | 1.96 (1) | n/a | n/a |
Haymarket | 2 |
NO2 | n/a | n/a | 4.136 (2) | 1.96 (1) | n/a | n/a |
Remington | 0 |
O3 | n/a | n/a | n/a | 0 (0) | n/a | n/a |
Aquia Harbour | 11 |
O3 | n/a | n/a | n/a | 24 (11) | n/a | n/a |
Ashburn | 38 |
PM2.5 | 9.3 (38) | 17 (15) | 6.58 (3) | 3.92 (2) | n/a | n/a |
Arlington | 20 |
O3 | n/a | n/a | 4.136 (2) | 45 (20) | 115 (1) | n/a |
Washington D.C. | 12 |
PM2.5 | 3 (12) | n/a | n/a | n/a | n/a | n/a |
Washington D.C. | 33 |
PM2.5 | 8 (33) | n/a | 11 (5) | 45 (20) | 458 (4) | n/a |
Fairmount Heights | 25 |
PM2.5 | 6 (25) | n/a | 11 (5) | 31 (14) | 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) |
Monday, May 6 | Tuesday, May 7 | Wednesday, May 8 | Thursday, May 9 | Friday, May 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm | 12am | 1am | 2am |
27 | 14 | 11 | 18 | 17 | 17 | 14 | 15 | 18 | 21 | 23 | 23 | 26 | 27 | 27 | 27 | 27 | 29 | 41 | 45 | 47 | 32 | 22 | 20 | 17 | 17 | 18 | 25 | 29 | 32 | 21 | 22 | 28 | 35 | 42 | 44 | 46 | 50 | 53 | 56 | 47 | 41 | 33 | 38 | 42 | 34 | 33 | 39 | 39 | 39 | 38 | 38 | 33 | 30 | 30 | 34 | 34 | 30 | 30 | 30 | 31 | 33 | 37 | 41 | 40 | 41 | 37 | 39 | 39 | 42 | 46 | 46 | 46 | 43 | 42 | 39 | 38 | 42 | 46 | 49 | 50 | 50 | 46 | 42 | 44 | 42 | 40 | 38 | 36 | 34 | 31 | 31 | 30 | 29 | 32 | 35 | 38 |
PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | 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 | 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 | 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 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 |
S | S | S | S | SSW | SSW | SSW | SW | SW | SW | SW | SW | SSW | SW | SW | SSW | S | ENE | SSW | NW | N | NNE | E | SW | WNW | WNW | W | W | W | WNW | NW | NW | NW | NNW | NNW | NW | NW | N | N | NE | ESE | SE | SE | SE | SSE | S | S | SSW | SSW | SSW | SW | SW | WSW | WSW | WSW | W | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | NW | WNW | SSW | SW | S | SSW | SSW | SW | N | N | N | E | S | SSW | S | S | S | SSW | SSW | SW | WSW | WSW | SSW | SE | ENE | ENE | ESE | SSE | S | SSW | SW | SW | WSW |
3 5 | 3 5 | 3 5 | 3 5 | 3 5 | 3 5 | 2 4 | 3 5 | 3 5 | 2 4 | 2 3 | 2 2 | 2 3 | 3 5 | 2 4 | 3 4 | 2 3 | 1 1 | 1 2 | 2 3 | 3 4 | 1 2 | 1 1 | 0 0 | 1 2 | 2 3 | 1 2 | 2 3 | 2 4 | 3 4 | 2 4 | 3 4 | 2 4 | 2 3 | 2 3 | 2 3 | 1 2 | 1 1 | 1 1 | 1 2 | 2 3 | 3 5 | 5 7 | 4 7 | 4 7 | 4 7 | 4 7 | 4 7 | 4 7 | 4 6 | 4 6 | 3 5 | 4 6 | 4 7 | 4 7 | 5 8 | 8 12 | 10 16 | 9 14 | 9 14 | 9 14 | 8 13 | 8 13 | 7 12 | 5 8 | 3 4 | 3 5 | 3 4 | 2 4 | 3 5 | 2 2 | 2 3 | 1 2 | 3 4 | 1 2 | 1 2 | 1 2 | 4 6 | 5 7 | 4 7 | 4 6 | 4 6 | 5 8 | 6 9 | 6 10 | 5 7 | 2 3 | 1 2 | 3 5 | 3 5 | 1 2 | 1 1 | 1 1 | 2 3 | 2 3 | 2 3 | 3 4 |
63 17.5 | 63 17.1 | 63 17.2 | 63 17.3 | 64 17.5 | 64 17.9 | 65 18.5 | 67 19.3 | 68 20 | 70 21.2 | 72 22.5 | 75 23.9 | 76 24.6 | 77 25 | 77 25.2 | 78 25.5 | 77 24.8 | 75 23.8 | 73 22.8 | 72 22 | 66 19 | 66 18.7 | 65 18.6 | 65 18.3 | 65 18.2 | 65 18.1 | 64 17.9 | 64 17.7 | 64 17.8 | 64 18 | 66 18.7 | 68 20.1 | 71 21.5 | 72 22.2 | 73 23 | 75 23.9 | 77 25 | 76 24.3 | 76 24.3 | 76 24.3 | 75 24 | 75 23.7 | 74 23.3 | 72 22.4 | 70 21.3 | 69 20.3 | 68 19.9 | 67 19.4 | 66 18.9 | 66 18.8 | 66 18.7 | 65 18.6 | 67 19.2 | 68 19.8 | 69 20.4 | 72 22.1 | 75 23.8 | 78 25.5 | 80 26.4 | 81 27.4 | 83 28.4 | 84 28.6 | 84 28.9 | 84 29.1 | 82 27.9 | 80 26.7 | 78 25.5 | 75 23.7 | 71 21.9 | 68 20.1 | 67 19.5 | 66 19.1 | 65 18.5 | 65 18.3 | 65 18.1 | 64 17.8 | 65 18.1 | 65 18.3 | 65 18.5 | 67 19.4 | 69 20.3 | 70 21.2 | 73 22.5 | 75 23.8 | 77 25.1 | 77 24.9 | 77 24.7 | 76 24.6 | 74 23.5 | 73 22.5 | 71 21.5 | 69 20.5 | 67 19.6 | 65 18.6 | 65 18.2 | 64 17.7 | 63 17.2 |
Source: CAMS, Vaisala Xweather
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