Good
Primary Pollutant: O3
O3 | 36 µg/m3 (16) |
PM2.5 | 3 µg/m3 (13) |
PM10 | 8 µg/m3 (7) |
CO | 199 µg/m3 (2) |
NO2 | 14 µg/m3 (7) |
SO2 | 3 µg/m3 (1) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Great Falls | 12 |
PM2.5 | 2.9 (12) | n/a | n/a | n/a | n/a | n/a |
Choteau | 19 |
PM2.5 | 4.6 (19) | n/a | n/a | n/a | n/a | n/a |
Great Falls | 12 |
PM2.5 | 2.9 (12) | n/a | n/a | n/a | n/a | n/a |
Choteau | 19 |
PM2.5 | 4.6 (19) | n/a | n/a | n/a | n/a | n/a |
Source: Montana DEQ, Unknown Governmental Organization
Hour |
AQI |
Primary |
Wind Dir |
Wind Speed ( mph kmh) |
Temp (°F°C) |
Monday, May 20 | Tuesday, May 21 | Wednesday, May 22 | Thursday, May 23 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 |
17 | 16 | 15 | 15 | 15 | 18 | 20 | 21 | 22 | 23 | 22 | 21 | 21 | 20 | 19 | 19 | 19 | 16 | 14 | 11 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 12 | 18 | 24 | 30 | 43 | 41 | 45 | 50 | 49 | 47 | 49 | 53 | 55 | 47 | 45 | 44 | 38 | 37 | 35 | 27 | 23 | 21 | 20 | 24 | 27 | 31 | 36 | 42 | 47 | 47 | 48 | 48 | 46 | 44 | 42 | 39 | 36 | 33 | 34 | 34 | 34 | 35 | 36 | 37 | 36 | 36 | 36 |
O3 | 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 | O3 | PM10 | PM10 | 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 |
WNW | NW | WNW | W | NW | NW | WNW | W | SW | SW | SSW | SW | W | W | NNE | NW | N | NNE | NNW | NNW | NNW | N | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | WSW | WNW | WNW | W | WNW | W | W | W | WNW | WNW | WNW | WNW | WSW | SW | SSW | SSW | SW | SW | SW | SW | SW | SW | WSW | NE | ESE | ESE | ESE | ENE | N | NNW | NNW | NNW | N | N | N | N | N | N | N | N | N | N | N | N | N |
4 6 | 4 6 | 5 7 | 4 6 | 3 6 | 3 6 | 2 4 | 2 3 | 3 4 | 2 4 | 1 2 | 1 2 | 6 9 | 4 6 | 2 3 | 4 6 | 4 6 | 5 7 | 5 7 | 4 6 | 2 4 | 1 1 | 2 3 | 3 6 | 4 7 | 5 8 | 7 11 | 9 14 | 9 14 | 7 12 | 8 13 | 9 15 | 10 16 | 8 14 | 9 14 | 8 13 | 8 13 | 8 14 | 8 13 | 9 14 | 6 10 | 2 4 | 2 3 | 2 4 | 4 6 | 4 6 | 4 6 | 5 7 | 4 7 | 4 7 | 5 8 | 4 6 | 3 4 | 1 1 | 3 4 | 4 6 | 3 5 | 2 3 | 2 4 | 4 6 | 6 10 | 11 17 | 12 19 | 14 22 | 16 25 | 17 27 | 18 28 | 17 28 | 16 26 | 17 27 | 17 27 | 16 26 | 16 25 | 15 24 | 15 24 |
34 0.9 | 33 0.6 | 33 0.5 | 36 2 | 40 4.5 | 44 6.9 | 47 8.5 | 49 9.6 | 51 10.5 | 52 11.2 | 52 11.2 | 53 11.9 | 53 11.6 | 52 11 | 52 11.4 | 51 10.5 | 48 8.9 | 45 7 | 42 5.8 | 41 4.8 | 39 4.1 | 38 3.3 | 37 2.8 | 37 2.5 | 36 2.2 | 36 2.1 | 35 1.9 | 38 3.6 | 45 7 | 50 10.2 | 54 12.3 | 56 13.6 | 59 14.8 | 60 15.3 | 60 15.5 | 61 15.9 | 61 15.9 | 61 15.9 | 61 15.9 | 58 14.2 | 54 12.5 | 51 10.8 | 49 9.7 | 48 8.6 | 46 7.6 | 45 7.2 | 44 6.9 | 44 6.5 | 44 6.5 | 44 6.4 | 43 6.4 | 46 7.8 | 48 9.1 | 51 10.5 | 52 11.1 | 53 11.6 | 54 12.2 | 54 12.2 | 54 12.2 | 54 12.2 | 53 11.8 | 52 11.4 | 52 10.9 | 50 9.8 | 48 8.7 | 46 7.6 | 45 7 | 43 6.4 | 42 5.8 | 42 5.6 | 42 5.5 | 42 5.3 | 41 5 | 40 4.7 | 40 4.4 |
Source: CAMS, Vaisala Xweather
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