Good
Primary Pollutant: PM2.5
O3 | 38 µg/m3 (17) |
PM2.5 | 8 µg/m3 (32) |
PM10 | 12 µg/m3 (11) |
CO | 478 µg/m3 (5) |
NO2 | 19 µg/m3 (9) |
SO2 | 3 µg/m3 (2) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Middleway | 37 |
PM2.5 | 9 (37) | 19 (17) | n/a | 29 (13) | n/a | n/a |
Ashburn | 33 |
PM2.5 | 8 (33) | 15 (14) | 15 (8) | 41 (19) | n/a | n/a |
Martinsburg | 3 |
O3 | n/a | n/a | n/a | 5.88 (3) | n/a | n/a |
Arendtsville | 45 |
PM2.5 | 11 (45) | n/a | n/a | 51 (23) | n/a | n/a |
Fayetteville | 22 |
O3 | n/a | n/a | n/a | 49 (22) | n/a | n/a |
Arendtsville | 25 |
O3 | n/a | n/a | n/a | 54 (25) | n/a | n/a |
Eldersburg | 26 |
O3 | n/a | n/a | n/a | 57 (26) | n/a | n/a |
Derwood | 17 |
PM2.5 | 4 (17) | n/a | n/a | 20 (9) | n/a | n/a |
Saint James | 33 |
PM2.5 | 8 (33) | n/a | n/a | 25 (12) | n/a | n/a |
Frederick | 10 |
O3 | n/a | n/a | n/a | 22 (10) | n/a | n/a |
Source: Virginia Dept. of Environmental Quality, West Virginia Division of Air Quality - Wheeling, Pennsylvania Dept. of Environmental Protection, AirNow (EPA), EPA Office of Atmospheric Protection, Maryland Department of the Environment
Hour |
AQI |
Primary |
Wind Dir |
Wind Speed ( mph kmh) |
Temp (°F°C) |
Friday, Apr 26 | Saturday, Apr 27 | Sunday, Apr 28 | Monday, Apr 29 | Tuesday, Apr 30 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 6am | 7am | 8am |
32 | 27 | 30 | 38 | 43 | 41 | 41 | 40 | 39 | 41 | 41 | 38 | 32 | 28 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 21 | 22 | 23 | 25 | 26 | 28 | 29 | 30 | 31 | 32 | 32 | 32 | 31 | 31 | 31 | 30 | 30 | 29 | 27 | 25 | 25 | 24 | 23 | 23 | 22 | 20 | 19 | 21 | 27 | 33 | 39 | 43 | 44 | 47 | 49 | 49 | 60 | 72 | 70 | 65 | 70 | 70 | 71 | 76 | 72 | 50 | 42 | 38 | 38 | 38 | 38 | 46 | 52 | 53 | 53 | 59 | 65 | 71 | 69 | 68 | 66 | 52 | 56 | 60 | 61 | 60 | 62 | 63 | 65 | 65 | 65 | 63 | 61 | 61 | 59 | 61 |
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 | 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 | 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 | 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 |
SE | SE | SE | SE | SSE | SSE | SSE | SSE | SSE | SE | SE | SE | SE | SE | SE | SE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | S | S | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | S | S | S | S | SSW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | SSW | SSW | SSW | SW | SSW | SW | SSW | SSW | SW | SW | SW | WSW | WSW | W | WSW | WSW | WNW | W | SW | S | SSE | SSE | SE | SE | WNW | W | ENE | ESE | N | NNW | NNE | NW | W | W | SW | SW | WNW |
3 4 | 4 7 | 7 11 | 8 13 | 9 15 | 9 15 | 9 15 | 9 15 | 9 15 | 9 14 | 8 13 | 7 12 | 9 14 | 11 18 | 12 19 | 11 18 | 11 17 | 9 15 | 9 14 | 9 14 | 8 13 | 8 13 | 7 12 | 7 12 | 8 13 | 9 15 | 10 16 | 10 16 | 10 17 | 11 17 | 11 17 | 10 16 | 11 18 | 11 17 | 11 18 | 10 15 | 8 13 | 7 11 | 7 11 | 7 11 | 7 11 | 6 10 | 6 10 | 5 8 | 5 8 | 5 8 | 4 6 | 4 6 | 4 6 | 4 6 | 4 7 | 5 9 | 6 9 | 5 9 | 5 8 | 5 9 | 6 9 | 5 9 | 6 9 | 5 9 | 5 8 | 5 7 | 4 7 | 4 6 | 3 5 | 3 5 | 2 4 | 2 4 | 3 4 | 3 4 | 2 4 | 2 3 | 2 4 | 2 4 | 3 6 | 3 5 | 4 7 | 3 5 | 3 5 | 5 8 | 6 10 | 6 9 | 6 9 | 4 6 | 4 7 | 10 16 | 6 10 | 1 1 | 3 4 | 2 4 | 2 2 | 2 3 | 1 2 | 2 3 | 1 2 | 1 1 | 1 2 |
46 7.7 | 50 10.1 | 54 12.1 | 57 14.1 | 59 15.1 | 61 16.1 | 62 16.7 | 62 16.8 | 63 17 | 63 17.1 | 62 16.6 | 60 15.7 | 57 14 | 55 12.5 | 53 11.5 | 51 10.4 | 49 9.5 | 48 8.7 | 46 8 | 45 7.3 | 45 7 | 46 7.6 | 47 8.1 | 48 8.7 | 49 9.5 | 50 10.2 | 52 11.2 | 53 11.8 | 55 12.8 | 57 13.8 | 58 14.6 | 61 16.1 | 62 16.8 | 63 17.1 | 63 17.1 | 62 16.6 | 61 15.9 | 57 14.2 | 57 13.8 | 56 13.3 | 55 12.8 | 54 12.2 | 53 11.7 | 53 11.5 | 52 11.4 | 52 11.2 | 52 11.4 | 53 11.6 | 53 11.8 | 58 14.3 | 62 16.8 | 67 19.2 | 71 21.5 | 75 23.8 | 79 26 | 80 26.6 | 81 27.2 | 82 27.8 | 80 26.5 | 77 25.1 | 75 23.7 | 72 22.2 | 69 20.7 | 67 19.2 | 65 18.4 | 64 17.7 | 62 16.9 | 61 16.2 | 60 15.6 | 59 14.8 | 60 15.4 | 61 15.9 | 62 16.5 | 66 19.1 | 71 21.7 | 76 24.3 | 78 25.5 | 80 26.7 | 82 27.9 | 83 28.4 | 84 28.9 | 85 29.5 | 83 28.1 | 80 26.8 | 78 25.4 | 75 24.1 | 73 22.8 | 71 21.4 | 69 20.7 | 68 20 | 67 19.3 | 65 18.5 | 64 17.7 | 62 16.9 | 63 17.2 | 64 17.5 | 64 17.9 |
Source: CAMS, Vaisala Xweather
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