Good
Primary Pollutant: PM2.5
O3 | 44 µg/m3 (20) |
PM2.5 | 6 µg/m3 (26) |
PM10 | 15 µg/m3 (14) |
CO | 372 µg/m3 (4) |
NO2 | 17 µg/m3 (9) |
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 | 43 |
PM2.5 | 10 (43) | 13 (12) | n/a | 24 (11) | n/a | 1.572 (1) |
Haymarket | 10 |
NO2 | n/a | n/a | 20 (10) | 16 (7) | n/a | n/a |
Aquia Harbour | 12 |
O3 | n/a | n/a | n/a | 27 (12) | n/a | n/a |
Ashburn | 69 |
PM2.5 | 21 (69) | 20 (18) | 29 (14) | 12 (5) | n/a | n/a |
Arlington | 17 |
NO2 | n/a | n/a | 34 (17) | 22 (10) | 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. | 37 |
PM2.5 | 9 (37) | 14 (13) | 29 (14) | n/a | 344 (3) | n/a |
Fairmount Heights | 53 |
PM2.5 | 13 (53) | n/a | 34 (17) | 14 (6) | n/a | n/a |
Takoma Park | 12 |
O3 | n/a | n/a | n/a | 27 (12) | n/a | n/a |
Fairmount Heights | 45 |
PM2.5 | 11 (45) | n/a | 42 (21) | n/a | 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, Dec 16 | Tuesday, Dec 17 | Wednesday, Dec 18 | Thursday, Dec 19 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm | 12am |
34 | 33 | 32 | 32 | 25 | 24 | 23 | 25 | 28 | 32 | 32 | 29 | 29 | 29 | 35 | 42 | 50 | 49 | 42 | 38 | 33 | 25 | 21 | 22 | 24 | 25 | 25 | 26 | 26 | 25 | 25 | 26 | 33 | 34 | 26 | 25 | 28 | 29 | 32 | 39 | 48 | 47 | 39 | 38 | 40 | 30 | 26 | 47 | 47 | 46 | 53 | 58 | 59 | 52 | 56 | 65 | 56 | 56 | 57 | 57 | 58 | 59 | 59 | 59 | 58 | 57 | 58 | 59 | 55 | 53 | 53 | 51 | 50 | 39 | 25 | 27 | 28 | 26 | 24 | 22 | 23 | 23 | 24 | 25 | 27 | 28 | 29 | 29 | 29 | 28 | 27 | 26 | 34 | 42 | 45 | 42 | 38 |
PM2.5 | PM2.5 | PM2.5 | PM2.5 | 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 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | 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 | PM2.5 | PM2.5 | 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 |
E | E | E | E | NE | NNE | NNE | NNE | NE | E | SE | SE | SSE | S | S | SSE | SSE | SSE | S | S | S | S | S | S | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | WSW | WSW | WSW | W | W | W | W | W | W | W | W | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | NNW | NNW | NNW | ESE | ESE | ESE | SSE | SSE | SSE | SSE | SSE | SSE | SSW | SSW | SSW | WSW | WSW | WSW | WSW | WSW | WSW | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NNW | NNW | NNW | NNW | NNW | NNW |
4 7 | 4 7 | 3 5 | 2 4 | 2 4 | 2 4 | 3 5 | 2 4 | 2 4 | 2 3 | 2 4 | 2 4 | 3 5 | 4 7 | 4 7 | 4 7 | 6 9 | 5 8 | 6 9 | 7 11 | 8 12 | 9 14 | 10 16 | 10 16 | 11 18 | 11 18 | 12 19 | 12 19 | 11 18 | 10 16 | 9 14 | 8 13 | 8 13 | 8 13 | 9 14 | 9 14 | 9 15 | 10 16 | 9 14 | 8 13 | 7 11 | 6 10 | 5 8 | 4 7 | 4 7 | 4 7 | 4 7 | 4 7 | 4 6 | 3 5 | 3 5 | 3 4 | 2 4 | 3 4 | 3 5 | 3 5 | 4 7 | 5 8 | 6 9 | 6 10 | 6 10 | 7 11 | 7 11 | 7 11 | 7 11 | 7 12 | 8 13 | 9 14 | 9 15 | 10 16 | 10 16 | 10 17 | 11 17 | 11 18 | 11 18 | 11 18 | 11 19 | 12 19 | 12 19 | 12 19 | 12 19 | 12 19 | 12 19 | 12 19 | 12 19 | 12 19 | 11 18 | 10 16 | 9 15 | 8 14 | 8 12 | 7 11 | 7 11 | 6 10 | 6 10 | 6 10 | 6 9 |
39 3.8 | 39 3.9 | 39 3.9 | 40 4.3 | 40 4.5 | 40 4.5 | 40 4.5 | 41 4.8 | 41 5 | 42 5.6 | 44 6.6 | 45 7.1 | 46 7.6 | 48 8.7 | 48 9 | 49 9.5 | 48 9 | 48 8.8 | 47 8.6 | 48 9 | 48 8.8 | 47 8.6 | 47 8.6 | 48 9.1 | 50 9.7 | 50 10.3 | 52 10.9 | 53 11.4 | 53 11.7 | 53 11.4 | 52 10.9 | 51 10.6 | 53 11.4 | 54 12.2 | 56 13.4 | 58 14.5 | 59 15.1 | 60 15.6 | 59 15.2 | 59 14.9 | 58 14.5 | 55 13 | 53 11.5 | 50 10 | 48 9.2 | 47 8.3 | 45 7.5 | 45 7.1 | 44 6.6 | 43 6.2 | 42 5.5 | 41 4.8 | 39 4.1 | 39 4.1 | 39 4.2 | 40 4.2 | 42 5.3 | 44 6.5 | 46 7.6 | 47 8.6 | 49 9.5 | 51 10.5 | 52 10.9 | 52 11.4 | 53 11.8 | 52 11.3 | 51 10.7 | 50 10.2 | 49 9.7 | 49 9.2 | 48 8.7 | 47 8.2 | 46 7.7 | 45 7.2 | 44 6.5 | 42 5.8 | 41 5.1 | 40 4.4 | 39 3.7 | 37 3 | 38 3.6 | 39 4.2 | 40 4.7 | 42 5.3 | 43 5.9 | 44 6.4 | 42 5.7 | 41 4.9 | 39 4.1 | 38 3.4 | 37 2.6 | 35 1.8 | 34 1.3 | 33 0.8 | 32 0.2 | 31 -0.3 | 30 -0.9 |
Source: CAMS, Vaisala Xweather
Powered by Vaisala Xweather