Good
Primary Pollutant: PM2.5
O3 | 33 µg/m3 (15) |
PM2.5 | 9 µg/m3 (37) |
PM10 | 13 µg/m3 (12) |
CO | 206 µg/m3 (2) |
NO2 | 9 µg/m3 (4) |
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 | 27 |
PM2.5 | 6.6 (27) | 26 (24) | n/a | 7.84 (4) | n/a | n/a |
Ashburn | 29 |
PM2.5 | 7 (29) | 12 (11) | 5.452 (3) | 25 (12) | n/a | n/a |
Arendtsville | 26 |
PM2.5 | 6.2 (26) | n/a | n/a | 14 (6) | n/a | n/a |
Fayetteville | 13 |
O3 | n/a | n/a | n/a | 29 (13) | n/a | n/a |
Arendtsville | 5 |
O3 | n/a | n/a | n/a | 12 (5) | n/a | n/a |
Eldersburg | 20 |
O3 | n/a | n/a | n/a | 45 (20) | n/a | n/a |
Derwood | 4 |
PM2.5 | 1 (4) | n/a | n/a | n/a | n/a | n/a |
Saint James | 21 |
PM2.5 | 5 (21) | n/a | n/a | 18 (8) | n/a | n/a |
Frederick | 9 |
O3 | n/a | n/a | n/a | 20 (9) | n/a | n/a |
Fayetteville | 12 |
O3 | n/a | n/a | n/a | 27 (12) | n/a | n/a |
Source: Virginia Dept. of Environmental Quality, Pennsylvania Dept. of Environmental Protection, EPA Office of Atmospheric Protection, Maryland Department of the Environment, Unknown Governmental Organization
Hour |
AQI |
Primary |
Wind Dir |
Wind Speed ( mph kmh) |
Temp (°F°C) |
Monday, May 6 | Tuesday, May 7 | Wednesday, May 8 | Thursday, May 9 | Friday, May 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 9am | 10am | 11am |
37 | 33 | 33 | 34 | 34 | 36 | 36 | 35 | 32 | 23 | 24 | 26 | 29 | 38 | 42 | 43 | 33 | 22 | 25 | 28 | 29 | 19 | 17 | 20 | 24 | 25 | 28 | 34 | 42 | 46 | 47 | 46 | 41 | 30 | 25 | 28 | 28 | 31 | 37 | 34 | 30 | 25 | 13 | 12 | 17 | 17 | 22 | 31 | 33 | 34 | 37 | 42 | 45 | 46 | 44 | 45 | 44 | 34 | 29 | 25 | 36 | 44 | 51 | 54 | 57 | 57 | 53 | 40 | 42 | 42 | 44 | 42 | 42 | 42 | 42 | 41 | 40 | 38 | 37 | 36 | 35 | 34 | 35 | 37 | 38 | 38 | 37 | 36 | 38 | 39 | 40 | 40 | 39 | 38 | 36 | 35 | 33 |
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 | 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 | O3 | O3 | PM2.5 | PM2.5 | 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 | 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 |
NNW | NNW | NW | WNW | WSW | WSW | NW | WSW | W | NW | NNE | ENE | E | SE | S | SSW | SSW | SSW | SW | WNW | NNE | NNE | NNW | NNW | WSW | S | SW | SW | SSW | SSW | S | S | SSE | SSE | SSE | SSE | SSE | S | S | S | SSW | S | SSW | SSW | SSW | SSW | WSW | W | WNW | W | WNW | WNW | WNW | WNW | WNW | WNW | WNW | NW | NNW | NNE | NE | NNE | ENE | SW | S | SW | SSE | S | SSW | S | SSW | SSW | SSW | S | SSW | SSW | SW | WSW | W | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | W | W | W | W | W |
2 3 | 3 4 | 1 2 | 1 1 | 2 3 | 1 2 | 1 1 | 2 3 | 3 4 | 4 7 | 2 4 | 2 4 | 2 3 | 1 1 | 1 2 | 2 2 | 2 3 | 1 2 | 0 1 | 0 1 | 0 0 | 1 1 | 1 2 | 1 1 | 0 0 | 2 3 | 2 4 | 3 5 | 4 6 | 4 7 | 4 7 | 5 8 | 5 8 | 5 9 | 6 9 | 6 9 | 6 9 | 6 10 | 6 10 | 6 10 | 7 11 | 6 9 | 5 8 | 6 9 | 4 7 | 4 6 | 4 7 | 7 11 | 9 15 | 10 15 | 11 17 | 11 17 | 11 17 | 11 18 | 11 18 | 8 13 | 6 9 | 4 7 | 3 5 | 2 3 | 2 4 | 1 2 | 0 1 | 4 6 | 3 4 | 3 5 | 2 3 | 3 4 | 4 6 | 5 7 | 5 9 | 6 9 | 6 10 | 7 12 | 8 13 | 9 14 | 7 11 | 6 10 | 5 8 | 7 12 | 9 14 | 9 14 | 8 13 | 8 12 | 7 12 | 8 12 | 8 12 | 8 13 | 8 13 | 9 14 | 9 15 | 8 14 | 8 13 | 9 14 | 11 18 | 15 24 | 15 24 |
67 19.6 | 69 20.7 | 69 20.8 | 71 21.7 | 72 22.3 | 72 22.4 | 73 22.8 | 73 22.8 | 72 22.3 | 70 21 | 67 19.5 | 66 18.7 | 66 18.7 | 64 18 | 63 17.4 | 62 16.6 | 61 16 | 60 15.6 | 59 15.2 | 59 15 | 60 15.5 | 65 18.2 | 68 19.7 | 70 21.1 | 73 22.6 | 75 24 | 77 25.1 | 78 25.8 | 79 26.3 | 80 26.4 | 79 25.9 | 75 23.7 | 74 23.4 | 72 22.3 | 70 20.9 | 68 20.1 | 67 19.5 | 67 19.3 | 67 19.3 | 67 19.2 | 65 18.2 | 65 18.1 | 64 18 | 65 18.4 | 66 18.7 | 66 19 | 69 20.4 | 71 21.9 | 74 23.4 | 76 24.7 | 79 26 | 81 27.3 | 81 27.5 | 82 27.8 | 82 28 | 80 26.8 | 78 25.6 | 76 24.4 | 73 22.7 | 70 20.9 | 66 19.1 | 65 18.4 | 64 17.7 | 62 16.9 | 62 16.7 | 62 16.4 | 61 16.2 | 62 16.5 | 62 16.8 | 63 17.2 | 63 17.5 | 64 17.8 | 65 18.1 | 67 19.7 | 70 21.3 | 73 22.9 | 73 23 | 73 23 | 73 23 | 72 22.5 | 72 22 | 71 21.6 | 70 21 | 69 20.3 | 67 19.6 | 66 18.7 | 64 17.8 | 63 17 | 61 16.3 | 60 15.6 | 59 14.8 | 58 14.6 | 58 14.4 | 58 14.2 | 57 14.2 | 57 14.1 | 57 14 |
Source: CAMS, Vaisala Xweather
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