Moderate
Primary Pollutant: PM2.5
O3 | 37 µg/m3 (17) |
PM2.5 | 16 µg/m3 (59) |
PM10 | 19 µg/m3 (17) |
CO | 359 µg/m3 (3) |
NO2 | 15 µg/m3 (7) |
SO2 | 4 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 | 32 |
PM2.5 | 7.8 (32) | 12 (11) | n/a | 37 (17) | n/a | n/a |
Middleway | 1 |
O3 | n/a | n/a | n/a | 1.96 (1) | n/a | n/a |
Haymarket | 12 |
O3 | n/a | n/a | 11 (6) | 25 (12) | n/a | n/a |
Ashburn | 48 |
PM2.5 | 12 (48) | 16 (15) | 41 (20) | 1.96 (1) | n/a | n/a |
Arlington | 15 |
O3 | n/a | n/a | 23 (11) | 33 (15) | 115 (1) | n/a |
Washington D.C. | 29 |
PM2.5 | 7 (29) | n/a | n/a | n/a | n/a | n/a |
Arendtsville | 38 |
PM2.5 | 9.1 (38) | n/a | n/a | 49 (22) | n/a | n/a |
Fayetteville | 22 |
O3 | n/a | n/a | n/a | 49 (22) | n/a | n/a |
Arendtsville | 22 |
O3 | n/a | n/a | n/a | 49 (22) | n/a | n/a |
Washington D.C. | 29 |
PM2.5 | 7 (29) | 14 (13) | 29 (14) | 31 (14) | 229 (2) | n/a |
Source: Virginia Dept. of Environmental Quality, District of Columbia - Department of Energy and Environment, Pennsylvania Dept. of Environmental Protection, EPA Office of Atmospheric Protection
Hour |
AQI |
Primary |
Wind Dir |
Wind Speed ( mph kmh) |
Temp (°F°C) |
Saturday, Dec 14 | Sunday, Dec 15 | Monday, Dec 16 | Tuesday, Dec 17 | Wednesday, Dec 18 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 |
57 | 58 | 57 | 57 | 37 | 30 | 28 | 29 | 31 | 30 | 29 | 30 | 38 | 49 | 52 | 51 | 50 | 52 | 52 | 51 | 47 | 46 | 46 | 47 | 50 | 52 | 54 | 54 | 52 | 46 | 42 | 41 | 38 | 30 | 27 | 29 | 33 | 38 | 46 | 26 | 25 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 28 | 30 | 29 | 29 | 27 | 25 | 25 | 39 | 52 | 55 | 65 | 33 | 34 | 35 | 36 | 37 | 39 | 34 | 33 | 30 | 33 | 32 | 33 | 38 | 37 | 25 | 27 | 28 | 30 | 30 | 30 | 30 | 32 | 48 | 54 | 58 | 61 | 63 | 65 | 63 | 62 | 62 | 64 | 65 | 64 |
PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | 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 | 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 | NO2 | 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 | PM2.5 |
ENE | ENE | ENE | ENE | ENE | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | E | E | E | SE | SE | SE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | S | S | S | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NW | NW |
6 9 | 6 9 | 6 9 | 6 10 | 6 9 | 7 11 | 7 11 | 7 11 | 7 11 | 6 10 | 7 11 | 6 9 | 4 7 | 4 6 | 3 5 | 4 7 | 4 7 | 4 7 | 4 7 | 6 9 | 6 9 | 6 9 | 6 9 | 6 9 | 6 9 | 6 9 | 6 9 | 6 9 | 6 10 | 7 11 | 7 11 | 7 11 | 7 11 | 7 11 | 7 11 | 7 11 | 7 11 | 7 11 | 7 11 | 7 11 | 7 11 | 7 11 | 6 10 | 6 10 | 6 9 | 5 8 | 5 8 | 4 7 | 4 7 | 4 6 | 3 5 | 4 6 | 4 7 | 4 7 | 5 8 | 5 8 | 6 9 | 6 9 | 6 9 | 6 9 | 6 10 | 6 10 | 7 11 | 7 12 | 8 13 | 9 14 | 10 16 | 10 17 | 11 18 | 11 18 | 12 19 | 12 19 | 12 19 | 12 19 | 12 20 | 12 20 | 12 20 | 12 20 | 12 20 | 12 20 | 12 20 | 11 18 | 10 17 | 9 15 | 9 14 | 8 12 | 7 11 | 6 10 | 6 10 | 6 10 | 6 10 | 6 9 | 6 9 | 5 8 | 5 8 | 4 7 | 4 7 |
24 -4.4 | 22 -5.5 | 23 -5 | 24 -4.4 | 26 -3.1 | 28 -2.3 | 31 -0.5 | 34 1.2 | 35 1.7 | 35 1.7 | 36 2.2 | 34 1.2 | 33 0.6 | 31 -0.5 | 30 -1.2 | 29 -1.6 | 28 -2.1 | 27 -2.5 | 28 -2.1 | 27 -2.5 | 27 -2.5 | 29 -1.9 | 27 -3 | 27 -2.5 | 28 -2.3 | 27 -2.5 | 29 -1.9 | 29 -1.9 | 32 -0.2 | 33 0.6 | 35 1.7 | 36 2.2 | 37 2.7 | 37 3 | 38 3.4 | 38 3.4 | 38 3.4 | 38 3.4 | 38 3.4 | 38 3.4 | 38 3.4 | 38 3.4 | 38 3.5 | 39 3.7 | 39 3.8 | 39 4 | 40 4.2 | 40 4.5 | 40 4.5 | 40 4.5 | 40 4.5 | 41 5.1 | 42 5.6 | 43 6.2 | 44 6.5 | 44 6.9 | 45 7.2 | 46 7.6 | 46 8 | 47 8.4 | 47 8.5 | 48 8.7 | 48 8.8 | 48 8.9 | 48 9 | 48 9.1 | 49 9.3 | 49 9.4 | 49 9.5 | 49 9.5 | 49 9.5 | 49 9.5 | 49 9.5 | 49 9.5 | 49 9.5 | 50 10.2 | 51 10.8 | 53 11.5 | 54 12.1 | 55 12.8 | 56 13.4 | 54 12.5 | 53 11.5 | 51 10.6 | 49 9.6 | 48 8.7 | 46 7.7 | 45 7.1 | 44 6.4 | 42 5.8 | 41 5.1 | 40 4.5 | 39 3.8 | 38 3.4 | 38 3.1 | 37 2.8 | 36 2.4 |
Source: CAMS, Vaisala Xweather
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