Good
Primary Pollutant: PM2.5
O3 | 59 µg/m3 (27) |
PM2.5 | 9 µg/m3 (38) |
PM10 | 20 µg/m3 (18) |
CO | 287 µg/m3 (3) |
NO2 | 9 µg/m3 (4) |
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 | 42 |
O3 | 8 (33) | 21 (19) | n/a | 92 (42) | n/a | 1.572 (1) |
Middleway | 38 |
O3 | 7.2 (30) | 31 (28) | n/a | 84 (38) | n/a | n/a |
Haymarket | 38 |
O3 | n/a | n/a | 7.52 (4) | 84 (38) | n/a | n/a |
Remington | 37 |
O3 | n/a | n/a | n/a | 80 (37) | n/a | n/a |
Aquia Harbour | 40 |
O3 | n/a | n/a | n/a | 88 (40) | n/a | n/a |
Ashburn | 38 |
O3 | 8.7 (36) | 24 (22) | 8.084 (4) | 84 (38) | n/a | n/a |
Arlington | 41 |
O3 | n/a | n/a | 9.588 (5) | 90 (41) | 115 (1) | n/a |
Washington D.C. | 25 |
PM2.5 | 6 (25) | n/a | n/a | n/a | n/a | n/a |
Washington D.C. | 42 |
O3 | 10 (41) | n/a | 6.204 (3) | 92 (42) | 344 (3) | n/a |
Fairmount Heights | 35 |
O3 | 8 (33) | n/a | 11 (6) | 76 (35) | 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) |
Friday, May 3 | Saturday, May 4 | Sunday, May 5 | Monday, May 6 | Tuesday, May 7 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 |
39 | 41 | 44 | 49 | 45 | 43 | 40 | 37 | 33 | 30 | 28 | 28 | 27 | 26 | 24 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 27 | 32 | 34 | 34 | 32 | 28 | 27 | 26 | 23 | 23 | 22 | 22 | 21 | 22 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 24 | 24 | 24 | 26 | 28 | 27 | 29 | 28 | 28 | 34 | 35 | 29 | 26 | 27 | 27 | 27 | 27 | 26 | 25 | 21 | 25 | 25 | 29 | 32 | 37 | 41 | 45 | 49 | 46 | 42 | 46 | 50 | 54 | 58 | 60 | 59 | 60 | 59 | 58 | 55 | 53 | 50 | 44 | 38 | 33 | 33 |
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 | 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 | O3 | O3 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | O3 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | 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 |
E | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | E | E | E | E | E | E | ESE | E | ESE | ESE | ESE | ESE | ESE | E | E | E | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | E | ESE | ESE | SE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | S | S | SSW | SSW | SSW | SSW | SW | SW | SW | SW | WSW | SSW | S | S | S | SSW | SW | WSW | WNW | WSW | S | SW | SW | SW | WSW | W | WNW | NW | NW | WNW | NW | NNW | NNW |
8 13 | 8 14 | 9 14 | 10 16 | 10 17 | 11 17 | 11 18 | 12 19 | 12 20 | 11 18 | 9 14 | 9 14 | 8 13 | 8 13 | 7 11 | 6 10 | 7 10 | 6 10 | 6 10 | 6 10 | 6 9 | 6 9 | 6 10 | 7 11 | 7 11 | 8 12 | 8 12 | 8 13 | 8 13 | 9 14 | 9 14 | 9 14 | 9 14 | 9 14 | 8 13 | 8 13 | 8 12 | 7 12 | 7 12 | 8 12 | 7 11 | 7 10 | 6 10 | 6 10 | 7 11 | 6 10 | 4 7 | 4 6 | 4 6 | 3 5 | 5 8 | 7 12 | 7 11 | 7 11 | 6 10 | 6 10 | 5 8 | 5 7 | 5 8 | 5 8 | 6 9 | 5 8 | 5 8 | 5 8 | 4 7 | 4 7 | 4 7 | 4 6 | 4 6 | 4 6 | 3 5 | 2 3 | 1 2 | 2 3 | 2 3 | 2 3 | 2 3 | 2 4 | 3 5 | 2 4 | 4 7 | 3 4 | 4 6 | 4 6 | 4 6 | 4 6 | 4 6 | 4 6 | 3 5 | 4 6 | 4 6 | 3 5 | 3 5 | 2 3 |
74 23.3 | 76 24.3 | 77 25.1 | 78 25.8 | 79 26 | 79 25.9 | 78 25.4 | 76 24.2 | 73 22.5 | 70 21 | 67 19.6 | 65 18.3 | 63 17 | 61 16.2 | 60 15.3 | 58 14.6 | 57 14 | 56 13.5 | 56 13.1 | 55 12.9 | 55 12.8 | 55 12.9 | 56 13.1 | 56 13.3 | 56 13.5 | 57 14 | 57 14 | 57 13.8 | 57 14.1 | 58 14.3 | 58 14.4 | 58 14.3 | 57 14.1 | 57 14 | 58 14.3 | 57 14 | 57 13.7 | 56 13.5 | 56 13.4 | 56 13.2 | 55 13 | 55 12.8 | 55 12.5 | 55 12.9 | 56 13.3 | 57 13.7 | 58 14.6 | 60 15.4 | 61 16.3 | 63 17.2 | 65 18.1 | 66 19 | 67 19.7 | 69 20.4 | 70 21.2 | 70 21.2 | 70 21.2 | 70 21.2 | 69 20.4 | 67 19.6 | 66 18.7 | 65 18.5 | 65 18.2 | 64 18 | 64 17.8 | 64 17.5 | 63 17.3 | 64 17.7 | 65 18.1 | 65 18.5 | 68 19.9 | 70 21.2 | 73 22.5 | 75 23.6 | 76 24.7 | 78 25.7 | 77 25.2 | 76 24.7 | 75 24.1 | 74 23.5 | 73 23 | 72 22.4 | 71 21.4 | 69 20.5 | 67 19.6 | 66 19.1 | 66 18.7 | 65 18.3 | 64 17.9 | 63 17.4 | 63 17.1 | 63 17.4 | 64 17.8 | 65 18.2 |
Source: CAMS, Vaisala Xweather
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