Good
Primary Pollutant: O3
O3 | 48 µg/m3 (22) |
PM2.5 | 3 µg/m3 (12) |
PM10 | 5 µg/m3 (5) |
CO | 116 µg/m3 (1) |
NO2 | 3 µg/m3 (1) |
SO2 | 1 µg/m3 (0) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Great Falls | 35 |
PM2.5 | 8.4 (35) | n/a | n/a | n/a | n/a | n/a |
Choteau | 12 |
PM2.5 | 2.8 (12) | n/a | n/a | n/a | n/a | n/a |
Source: AirNow (EPA), Montana DEQ
Hour |
AQI |
Primary |
Wind Dir |
Wind Speed ( mph kmh) |
Temp (°F°C) |
Tuesday, Mar 19 | Wednesday, Mar 20 | Thursday, Mar 21 | Friday, Mar 22 | Saturday, Mar 23 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 1am | 2am | 3am | 4am | 5am | 6am |
23 | 23 | 23 | 22 | 23 | 34 | 36 | 38 | 39 | 39 | 39 | 38 | 38 | 36 | 34 | 34 | 34 | 32 | 30 | 28 | 24 | 21 | 19 | 20 | 20 | 26 | 36 | 35 | 23 | 25 | 28 | 28 | 29 | 31 | 33 | 33 | 32 | 32 | 32 | 31 | 30 | 30 | 29 | 28 | 28 | 27 | 28 | 28 | 27 | 26 | 26 | 25 | 25 | 27 | 29 | 32 | 36 | 35 | 33 | 32 | 32 | 33 | 33 | 32 | 31 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 31 | 31 | 31 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 34 | 34 | 34 |
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 | PM10 | 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 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 |
W | W | WNW | WNW | N | N | N | NNE | NNE | NE | NE | NE | ENE | NE | NE | NE | NE | NE | NE | NE | NE | NNE | NNE | N | SW | NNW | NNW | NNW | NNW | N | N | N | N | NNE | NNE | NNE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NNE | NNE | NNE | SSW | SSW | SSW | WSW | WSW | WSW | WNW | WNW | WNW | N | N | N | N | N | N | N | N | N | NNE | NNE | NNE | NNE | NNE | NNE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE |
7 12 | 7 11 | 7 11 | 10 16 | 8 13 | 7 11 | 6 9 | 6 9 | 6 9 | 6 9 | 7 11 | 8 13 | 9 14 | 9 14 | 10 16 | 10 16 | 9 14 | 8 13 | 7 11 | 6 9 | 5 8 | 5 7 | 5 8 | 5 7 | 5 7 | 4 6 | 3 5 | 4 6 | 4 6 | 3 5 | 6 9 | 6 9 | 6 9 | 10 16 | 10 16 | 10 16 | 12 19 | 11 17 | 10 16 | 9 14 | 8 13 | 7 11 | 6 10 | 6 10 | 6 9 | 6 9 | 5 8 | 4 7 | 3 5 | 4 7 | 5 8 | 6 9 | 7 12 | 9 15 | 11 18 | 13 20 | 14 23 | 16 25 | 15 24 | 14 23 | 13 22 | 13 21 | 12 20 | 12 19 | 11 18 | 11 17 | 10 16 | 10 16 | 10 16 | 10 16 | 10 15 | 9 15 | 9 15 | 10 16 | 10 16 | 10 17 | 11 17 | 11 17 | 11 18 | 11 18 | 12 19 | 12 19 | 12 19 | 12 20 | 12 20 | 12 19 | 12 19 | 11 18 | 11 17 | 10 17 | 10 16 | 10 16 | 9 15 | 9 14 | 9 14 | 8 13 | 8 13 |
38 3.4 | 36 2 | 38 3.4 | 41 4.8 | 46 7.7 | 49 9.4 | 52 11.1 | 55 12.5 | 56 13.5 | 57 13.7 | 59 14.8 | 57 13.9 | 56 13.4 | 54 12.2 | 49 9.6 | 46 7.7 | 44 6.7 | 42 5.6 | 41 4.9 | 40 4.4 | 38 3.4 | 37 2.7 | 35 1.7 | 33 0.6 | 32 -0.2 | 31 -0.5 | 29 -1.6 | 33 0.3 | 36 2.2 | 39 3.8 | 44 6.6 | 46 7.7 | 47 8.4 | 48 8.7 | 48 8.7 | 47 8.3 | 45 7.1 | 41 5.1 | 38 3.2 | 34 1.2 | 33 0.4 | 31 -0.4 | 30 -1.2 | 30 -1.3 | 29 -1.5 | 29 -1.6 | 28 -2 | 28 -2.4 | 27 -2.8 | 28 -2.1 | 30 -1.3 | 31 -0.5 | 35 1.7 | 39 4 | 43 6.2 | 44 6.5 | 44 6.9 | 45 7.2 | 43 6 | 41 4.9 | 39 3.7 | 37 2.6 | 35 1.4 | 32 0.2 | 30 -1 | 28 -2.1 | 26 -3.3 | 26 -3.6 | 25 -3.9 | 25 -4.2 | 24 -4.4 | 24 -4.7 | 23 -5 | 24 -4.6 | 25 -4.1 | 25 -3.7 | 26 -3.2 | 27 -2.8 | 28 -2.3 | 28 -2.2 | 28 -2.1 | 28 -2 | 29 -1.9 | 29 -1.8 | 29 -1.6 | 28 -2.3 | 27 -2.9 | 26 -3.6 | 24 -4.2 | 23 -4.9 | 22 -5.5 | 22 -5.6 | 22 -5.7 | 21 -5.9 | 21 -6 | 21 -6.1 | 21 -6.2 |
Source: CAMS, Vaisala Xweather
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