Good
Primary Pollutant: O3
O3 | 94 µg/m3 (43) |
PM2.5 | 1 µg/m3 (4) |
PM10 | 12 µg/m3 (11) |
CO | 238 µg/m3 (2) |
NO2 | 4 µg/m3 (2) |
SO2 | 0 µg/m3 (0) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Wolf Creek | 40 |
O3 | n/a | n/a | n/a | 88 (40) | 115 (1) | n/a |
Helena | 91 |
PM2.5 | 31 (91) | n/a | n/a | n/a | n/a | n/a |
Butte | 14 |
PM2.5 | 3.4 (14) | 14 (13) | n/a | n/a | n/a | n/a |
Helena Valley West Central | 91 |
PM2.5 | 31 (91) | n/a | n/a | n/a | n/a | n/a |
Butte | 14 |
PM2.5 | 3.4 (14) | 14 (13) | n/a | n/a | n/a | n/a |
Helena Valley Northwest | 40 |
O3 | n/a | n/a | n/a | 88 (40) | 115 (1) | n/a |
Source: Montana DEQ, Unknown Governmental Organization
Hour |
AQI |
Primary |
Wind Dir |
Wind Speed ( mph kmh) |
Temp (°F°C) |
Friday, May 17 | Saturday, May 18 | Sunday, May 19 | Monday, May 20 | Tuesday, May 21 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm |
44 | 43 | 43 | 43 | 26 | 25 | 23 | 21 | 19 | 18 | 20 | 26 | 29 | 29 | 30 | 31 | 33 | 34 | 35 | 34 | 33 | 33 | 33 | 32 | 31 | 28 | 26 | 25 | 26 | 27 | 27 | 28 | 27 | 28 | 29 | 32 | 33 | 33 | 32 | 29 | 27 | 30 | 30 | 28 | 28 | 27 | 24 | 21 | 21 | 21 | 23 | 23 | 26 | 23 | 24 | 24 | 26 | 22 | 24 | 30 | 38 | 45 | 47 | 46 | 47 | 49 | 48 | 48 | 49 | 50 | 47 | 45 | 42 | 39 | 37 | 35 | 33 | 32 | 32 | 32 | 32 | 37 | 41 | 46 | 47 | 47 | 48 | 49 | 50 | 51 | 51 | 50 | 50 | 49 | 47 | 46 | 43 |
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 | O3 | 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 |
W | SW | SSW | SSW | S | S | S | S | S | S | S | S | SSW | SW | WSW | WSW | W | W | WNW | WNW | WNW | WNW | NW | NNW | NNW | N | NNE | N | N | N | NE | ENE | SE | SSW | W | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | WNW | WNW | W | W | W | W | WSW | WSW | SW | WSW | W | WNW | NW | NW | NW | NW | NW | NW | NW | NNW | NW | NNW | N | NNW | NNW | NNW | NNW | NW | SSW | SSW | SSW | SSW | SSW | S | SSW | SW | W | WNW | WNW | NW | NW | NW | WNW | WNW | WNW | WNW | WNW | NW | NW |
11 17 | 9 14 | 8 13 | 8 13 | 8 13 | 8 13 | 8 13 | 8 12 | 8 12 | 8 12 | 8 13 | 8 13 | 8 12 | 8 13 | 10 15 | 11 17 | 13 21 | 15 23 | 14 23 | 15 24 | 15 24 | 13 21 | 9 15 | 6 9 | 4 6 | 3 4 | 2 4 | 4 6 | 6 9 | 4 6 | 2 3 | 2 3 | 2 3 | 2 3 | 3 4 | 7 11 | 9 15 | 10 16 | 11 17 | 11 18 | 11 18 | 13 21 | 13 22 | 12 20 | 11 18 | 9 15 | 8 12 | 6 9 | 5 7 | 4 7 | 4 6 | 3 5 | 3 4 | 2 3 | 2 3 | 2 3 | 1 2 | 1 2 | 1 2 | 2 3 | 3 5 | 5 8 | 7 11 | 8 12 | 9 14 | 9 15 | 10 17 | 11 17 | 11 18 | 10 16 | 7 11 | 5 8 | 4 7 | 3 5 | 2 3 | 0 1 | 1 2 | 2 4 | 3 5 | 3 5 | 3 5 | 3 5 | 3 5 | 3 5 | 3 5 | 6 9 | 7 12 | 8 12 | 8 13 | 8 13 | 8 13 | 8 12 | 6 10 | 7 12 | 7 11 | 6 9 | 3 5 |
39 3.8 | 38 3.2 | 36 2.4 | 36 2.1 | 35 1.6 | 33 0.7 | 32 0.2 | 31 -0.3 | 31 -0.6 | 33 0.6 | 38 3.6 | 43 6.4 | 47 8.3 | 50 10.2 | 53 11.8 | 55 13 | 58 14.2 | 58 14.6 | 60 15.3 | 59 15 | 58 14.7 | 57 13.8 | 53 11.9 | 49 9.2 | 46 7.6 | 43 6.3 | 41 5 | 40 4.7 | 39 4.1 | 38 3.2 | 36 2.5 | 36 2.1 | 35 1.6 | 35 1.9 | 37 2.5 | 39 4.1 | 41 5.3 | 44 6.4 | 46 7.6 | 47 8.3 | 48 9 | 49 9.7 | 49 9.7 | 49 9.6 | 49 9.6 | 47 8.4 | 45 7.1 | 43 5.9 | 40 4.7 | 38 3.5 | 36 2.3 | 35 1.9 | 35 1.6 | 34 1.2 | 34 1 | 33 0.8 | 33 0.6 | 36 2 | 38 3.4 | 41 4.8 | 44 6.5 | 47 8.1 | 50 9.8 | 51 10.6 | 53 11.4 | 54 12.2 | 54 12.2 | 54 12.2 | 54 12.2 | 51 10.6 | 48 9.1 | 45 7.5 | 43 6.3 | 41 5.2 | 39 4 | 38 3.3 | 37 2.6 | 35 1.9 | 34 1.3 | 33 0.8 | 33 0.3 | 36 2.2 | 39 4 | 43 5.9 | 46 8 | 50 10.1 | 54 12.2 | 55 13 | 57 13.9 | 58 14.7 | 59 14.7 | 59 14.8 | 59 14.8 | 56 13.2 | 53 11.7 | 50 10.1 | 48 8.9 |
Source: CAMS, Vaisala Xweather
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