Moderate
Primary Pollutant: PM2.5
O3 | 27 µg/m3 (12) |
PM2.5 | 18 µg/m3 (63) |
PM10 | 13 µg/m3 (12) |
CO | 259 µg/m3 (3) |
NO2 | 25 µg/m3 (12) |
SO2 | 2 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 | 23 |
PM2.5 | 5.6 (23) | 9 (8) | n/a | 49 (22) | n/a | 2.096 (1) |
Ashburn | 33 |
PM2.5 | 7.9 (33) | 11 (10) | 22 (11) | 39 (18) | n/a | n/a |
Arlington | 17 |
O3 | n/a | n/a | 26 (13) | 37 (17) | 229 (2) | n/a |
Washington D.C. | 17 |
PM2.5 | 4 (17) | n/a | n/a | n/a | n/a | n/a |
Brogue | 22 |
O3 | n/a | n/a | n/a | 49 (22) | n/a | n/a |
East York | 47 |
PM2.5 | 11 (47) | n/a | n/a | 31 (14) | n/a | n/a |
Washington D.C. | 20 |
O3 | 3 (12) | 11 (10) | 23 (11) | 43 (20) | 344 (3) | n/a |
Fairmount Heights | 22 |
O3 | 3 (12) | n/a | 20 (10) | 49 (22) | n/a | n/a |
Takoma Park | 20 |
O3 | n/a | n/a | 21 (11) | 43 (20) | n/a | n/a |
Fairmount Heights | 29 |
PM2.5 | 6.9 (29) | n/a | 27 (14) | n/a | 344 (3) | n/a |
Source: Virginia Dept. of Environmental Quality, District of Columbia - Department of Energy and Environment, Pennsylvania Dept. of Environmental Protection
Hour |
AQI |
Primary |
Wind Dir |
Wind Speed ( mph kmh) |
Temp (°F°C) |
Sunday, Dec 15 | Monday, Dec 16 | Tuesday, Dec 17 | Wednesday, Dec 18 | Thursday, Dec 19 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 12pm | 1pm | 2pm |
40 | 42 | 43 | 43 | 50 | 43 | 28 | 26 | 22 | 25 | 24 | 19 | 21 | 23 | 24 | 23 | 23 | 21 | 21 | 21 | 24 | 25 | 25 | 29 | 29 | 30 | 43 | 51 | 52 | 50 | 45 | 30 | 33 | 23 | 21 | 21 | 23 | 25 | 25 | 27 | 25 | 26 | 31 | 31 | 25 | 27 | 30 | 31 | 31 | 30 | 25 | 29 | 37 | 46 | 38 | 38 | 36 | 35 | 35 | 36 | 36 | 37 | 37 | 37 | 37 | 38 | 38 | 38 | 42 | 52 | 46 | 45 | 46 | 42 | 44 | 46 | 50 | 51 | 49 | 42 | 38 | 33 | 32 | 29 | 24 | 22 | 20 | 19 | 19 | 18 | 20 | 21 | 22 | 25 | 27 | 30 | 30 |
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 | 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 | PM2.5 | O3 | 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 | 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 |
E | E | E | E | E | E | E | E | ESE | E | E | E | E | E | E | E | ENE | NE | NE | ENE | ENE | E | SE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | S | S | S | S | S | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | E | E | E | E | E | E | SSE | SSE | SSE | SSE | SSE | SSE | SSW | SSW | SSW | SSW | SSW | SSW | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | NW | NW |
6 9 | 6 9 | 6 9 | 6 10 | 7 11 | 7 11 | 6 9 | 6 9 | 6 9 | 6 9 | 5 8 | 6 9 | 4 7 | 4 7 | 3 6 | 3 5 | 3 5 | 3 5 | 2 4 | 2 4 | 2 4 | 2 4 | 3 5 | 4 7 | 4 7 | 4 7 | 6 9 | 6 9 | 6 9 | 6 10 | 7 11 | 8 13 | 9 14 | 10 16 | 10 17 | 11 18 | 11 18 | 11 17 | 10 17 | 10 15 | 9 14 | 8 13 | 8 13 | 9 14 | 9 14 | 10 16 | 10 17 | 11 18 | 10 17 | 10 16 | 9 14 | 8 13 | 7 11 | 6 9 | 5 8 | 4 7 | 4 6 | 3 5 | 3 5 | 2 4 | 2 4 | 2 4 | 2 4 | 2 4 | 2 4 | 2 4 | 3 5 | 4 6 | 4 7 | 5 8 | 6 10 | 7 11 | 7 11 | 6 10 | 6 10 | 6 10 | 6 9 | 6 9 | 6 10 | 7 11 | 7 12 | 8 13 | 8 14 | 9 15 | 9 15 | 9 15 | 10 15 | 10 16 | 10 16 | 10 16 | 10 17 | 11 17 | 11 18 | 12 19 | 12 19 | 12 20 | 11 18 |
38 3.4 | 38 3.4 | 38 3.4 | 38 3.2 | 38 3.2 | 38 3.4 | 38 3.4 | 38 3.4 | 38 3.4 | 38 3.4 | 38 3.4 | 39 3.8 | 39 3.8 | 38 3.4 | 40 4.5 | 39 4.1 | 39 4.1 | 40 4.5 | 40 4.7 | 42 5.6 | 43 6.2 | 44 6.7 | 45 7.2 | 47 8.4 | 47 8.4 | 48 8.8 | 48 8.8 | 47 8.4 | 47 8.4 | 47 8.4 | 47 8.4 | 47 8.4 | 47 8.4 | 47 8.4 | 49 9.5 | 50 10 | 51 10.4 | 51 10.8 | 52 11.2 | 52 11.1 | 52 11.1 | 52 11 | 53 11.7 | 54 12.4 | 56 13.1 | 57 13.9 | 58 14.6 | 60 15.4 | 58 14.7 | 57 14.1 | 56 13.4 | 53 11.7 | 50 10.1 | 47 8.4 | 46 7.8 | 45 7.1 | 44 6.5 | 42 5.8 | 41 5.2 | 40 4.5 | 40 4.2 | 39 3.9 | 38 3.6 | 38 3.3 | 37 3 | 37 2.7 | 39 3.9 | 41 5.1 | 43 6.3 | 46 7.6 | 48 8.8 | 50 10 | 50 9.9 | 50 9.8 | 50 9.7 | 49 9.7 | 49 9.6 | 49 9.5 | 49 9.2 | 48 8.9 | 47 8.6 | 47 8.3 | 46 8 | 46 7.7 | 44 6.9 | 43 6 | 41 5.2 | 40 4.4 | 38 3.5 | 37 2.7 | 38 3.2 | 39 3.7 | 39 4.2 | 40 4.6 | 41 5.1 | 42 5.6 | 41 4.8 |
Source: CAMS, Vaisala Xweather
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