Good
Primary Pollutant: O3
O3 | 47 µg/m3 (21) |
PM2.5 | 4 µg/m3 (17) |
PM10 | 20 µg/m3 (18) |
CO | 214 µg/m3 (2) |
NO2 | 5 µg/m3 (3) |
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) |
---|---|---|---|---|---|---|---|---|
Billings | 12 |
PM2.5 | 3 (12) | n/a | n/a | n/a | n/a | n/a |
Lockwood | 12 |
PM2.5 | 3 (12) | 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) |
Friday, May 17 | Saturday, May 18 | Sunday, May 19 | Monday, May 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 |
22 | 24 | 23 | 21 | 28 | 32 | 35 | 35 | 34 | 32 | 31 | 33 | 33 | 29 | 28 | 30 | 29 | 29 | 29 | 26 | 24 | 23 | 22 | 22 | 21 | 21 | 21 | 24 | 27 | 29 | 30 | 32 | 33 | 33 | 33 | 34 | 33 | 32 | 29 | 25 | 24 | 25 | 26 | 27 | 29 | 31 | 31 | 31 | 29 | 26 | 27 | 27 | 33 | 36 | 38 | 45 | 44 | 43 | 44 | 46 | 45 | 44 | 42 | 39 | 36 | 37 | 37 | 38 | 36 | 35 | 33 | 33 | 32 | 32 | 34 | 36 | 38 | 40 | 42 | 44 | 44 | 45 | 46 | 46 | 47 | 47 |
O3 | 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 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 |
SW | SSW | SW | SW | SW | WSW | W | WNW | WNW | WNW | WNW | NW | NW | NNW | NW | NW | NW | WNW | W | W | W | W | W | WSW | WSW | WSW | WSW | WSW | W | W | W | W | W | W | W | W | WSW | WSW | WSW | WSW | NW | NW | NW | NE | NE | NE | NNW | NNW | NNW | WNW | WNW | WNW | NNW | NNW | NNW | NNE | NNE | NNE | N | N | N | NNW | NNW | NNW | NNW | NNW | NNW | W | W | W | W | W | W | W | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | WNW |
8 13 | 8 13 | 7 11 | 7 10 | 7 10 | 8 12 | 10 16 | 12 20 | 15 23 | 16 26 | 18 29 | 19 31 | 19 31 | 19 30 | 21 34 | 21 34 | 21 34 | 19 31 | 18 29 | 17 27 | 16 25 | 16 25 | 15 24 | 14 22 | 15 24 | 14 23 | 15 25 | 15 25 | 15 24 | 15 24 | 15 25 | 14 23 | 14 22 | 13 21 | 12 19 | 11 18 | 9 15 | 8 13 | 8 13 | 8 13 | 8 13 | 7 11 | 6 10 | 6 9 | 6 9 | 5 9 | 5 9 | 5 8 | 5 8 | 5 7 | 5 8 | 6 9 | 7 10 | 8 12 | 9 14 | 10 16 | 11 17 | 11 18 | 12 19 | 12 19 | 12 19 | 12 19 | 11 18 | 11 17 | 10 16 | 9 15 | 8 13 | 8 12 | 7 12 | 7 12 | 7 11 | 7 11 | 7 11 | 7 10 | 7 11 | 7 12 | 8 12 | 8 13 | 8 13 | 9 14 | 9 14 | 9 14 | 9 14 | 9 14 | 9 14 | 9 15 |
50 10 | 49 9.5 | 52 11.2 | 56 13.4 | 60 15.6 | 66 18.8 | 69 20.6 | 70 21.2 | 70 21.2 | 71 21.7 | 70 21.2 | 68 20 | 66 18.8 | 60 15.6 | 58 14.5 | 55 12.7 | 52 11.2 | 50 10 | 48 8.8 | 47 8.4 | 45 7.3 | 45 7.2 | 43 6.3 | 43 6.2 | 42 5.8 | 41 5.2 | 43 6.3 | 47 8.4 | 50 10 | 53 11.7 | 57 13.8 | 60 15.6 | 63 17.2 | 65 18.4 | 66 18.8 | 68 20 | 69 20.4 | 68 20 | 64 18 | 61 16 | 57 14 | 55 12.8 | 53 11.7 | 51 10.6 | 50 9.8 | 48 9 | 47 8.2 | 46 7.7 | 45 7.2 | 44 6.7 | 46 8 | 49 9.3 | 51 10.6 | 54 12.5 | 58 14.3 | 61 16.2 | 62 16.5 | 62 16.8 | 63 17.2 | 61 16.1 | 59 14.9 | 57 13.8 | 55 12.8 | 53 11.8 | 51 10.8 | 50 9.7 | 48 8.7 | 46 7.7 | 45 7.3 | 44 6.8 | 43 6.4 | 43 5.9 | 42 5.5 | 41 5 | 44 6.5 | 46 7.9 | 49 9.4 | 52 10.9 | 54 12.3 | 57 13.8 | 58 14.4 | 59 14.9 | 60 15.5 | 61 16 | 62 16.6 | 63 17.1 |
Source: CAMS, Vaisala Xweather
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