Good
Primary Pollutant: O3
O3 | 87 µg/m3 (39) |
PM2.5 | 3 µg/m3 (12) |
PM10 | 7 µg/m3 (6) |
CO | 114 µg/m3 (1) |
NO2 | 3 µg/m3 (1) |
SO2 | 6 µg/m3 (3) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Lewistown | 33 |
O3 | n/a | n/a | n/a | 73 (33) | n/a | n/a |
Lewistown | 33 |
O3 | n/a | n/a | n/a | 73 (33) | n/a | n/a |
Source: Montana DEQ, Unknown Governmental Organization
Hour |
AQI |
Primary |
Wind Dir |
Wind Speed ( mph kmh) |
Temp (°F°C) |
Tuesday, Apr 30 | Wednesday, May 1 | Thursday, May 2 | Friday, May 3 | Saturday, May 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 9am |
41 | 46 | 49 | 55 | 34 | 34 | 34 | 34 | 33 | 32 | 32 | 29 | 23 | 21 | 17 | 13 | 11 | 10 | 9 | 10 | 10 | 10 | 12 | 17 | 22 | 26 | 28 | 30 | 32 | 33 | 33 | 33 | 33 | 31 | 29 | 26 | 24 | 23 | 21 | 19 | 18 | 17 | 17 | 17 | 18 | 18 | 18 | 21 | 21 | 24 | 29 | 34 | 38 | 43 | 45 | 44 | 44 | 43 | 43 | 42 | 37 | 35 | 34 | 29 | 28 | 27 | 25 | 34 | 36 | 37 | 39 | 41 | 44 | 44 | 45 | 46 | 46 | 46 | 47 | 46 | 46 | 46 | 44 | 41 | 38 | 35 | 32 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 29 | 31 | 34 |
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 | 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 |
W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | WNW | WNW | WNW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NW | NW | NW | NW | NW | NW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | SW | SW | SW | SW |
34 54 | 34 54 | 34 54 | 32 52 | 32 52 | 32 51 | 31 49 | 29 47 | 27 44 | 26 41 | 22 36 | 18 29 | 16 25 | 15 23 | 13 22 | 13 22 | 13 22 | 14 22 | 15 24 | 15 25 | 16 26 | 17 28 | 20 32 | 22 36 | 24 39 | 25 41 | 27 43 | 27 43 | 27 44 | 27 44 | 27 43 | 26 41 | 25 40 | 24 38 | 24 38 | 24 38 | 17 28 | 17 27 | 17 27 | 17 27 | 17 27 | 17 27 | 17 28 | 19 30 | 20 32 | 21 34 | 22 35 | 22 35 | 22 36 | 22 36 | 22 36 | 22 36 | 22 35 | 22 35 | 21 34 | 20 32 | 19 31 | 18 29 | 16 27 | 15 24 | 14 22 | 12 20 | 11 17 | 9 15 | 9 15 | 9 14 | 8 13 | 8 13 | 7 12 | 7 11 | 8 13 | 9 15 | 10 16 | 11 18 | 12 20 | 13 22 | 13 22 | 13 22 | 13 22 | 13 22 | 13 22 | 13 22 | 12 20 | 11 18 | 10 16 | 9 14 | 8 13 | 7 11 | 7 11 | 7 11 | 7 12 | 7 12 | 8 12 | 8 13 | 8 14 | 9 14 | 10 15 |
36 2.1 | 40 4.2 | 41 5.1 | 43 6.4 | 46 7.8 | 47 8.5 | 48 8.9 | 48 9 | 47 8.4 | 47 8.4 | 44 6.7 | 41 5 | 37 2.7 | 36 2.2 | 33 0.8 | 33 0.4 | 31 -0.6 | 29 -1.5 | 28 -2 | 28 -2.4 | 28 -2.4 | 27 -2.6 | 28 -2 | 34 0.9 | 38 3.5 | 41 5.1 | 44 6.7 | 46 7.9 | 48 8.9 | 49 9.4 | 50 10 | 50 10 | 49 9.7 | 47 8.5 | 45 7 | 41 5.3 | 38 3.5 | 37 2.8 | 36 2 | 34 1.2 | 33 0.6 | 32 0.1 | 31 -0.5 | 31 -0.3 | 32 -0.1 | 32 0.1 | 34 1.3 | 36 2.4 | 38 3.5 | 40 4.6 | 42 5.7 | 44 6.8 | 45 7.4 | 46 7.9 | 47 8.5 | 47 8.1 | 46 7.8 | 45 7.4 | 43 6.3 | 41 5.2 | 39 4.1 | 37 3.1 | 36 2 | 34 0.9 | 33 0.4 | 32 0 | 31 -0.5 | 30 -0.9 | 30 -1.3 | 29 -1.8 | 31 -0.4 | 34 1.1 | 36 2.5 | 39 3.9 | 42 5.3 | 44 6.7 | 45 7.1 | 45 7.4 | 46 7.8 | 47 8.1 | 47 8.5 | 48 8.8 | 45 7.4 | 43 6 | 40 4.6 | 38 3.2 | 35 1.8 | 33 0.4 | 32 0 | 31 -0.5 | 30 -1 | 29 -1.4 | 29 -1.9 | 28 -2.3 | 32 -0.2 | 35 1.9 | 39 4 |
Source: CAMS, Vaisala Xweather
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