Air Quality

Updated 7 minutes ago

34

Good

Primary Pollutant: O3

O3 74 µg/m3 (34)
PM2.5 6 µg/m3 (24)
PM10 8 µg/m3 (7)
CO 264 µg/m3 (3)
NO2 1 µg/m3 (1)
SO2 1 µg/m3 (1)

Source: CAMS, Vaisala Xweather

Nearby Stations

Station AQI Primary Pollutant PM2.5 (AQI) PM10 (AQI) NO2 (AQI) OZONE (AQI) CO (AQI) SO2 (AQI)
Wolf Creek

30

O3 n/a n/a 0.188 (0) 66 (30) 115 (1) n/a
Helena

13

PM2.5 3.1 (13) n/a n/a n/a n/a n/a
Butte

18

PM2.5 4.3 (18) 15 (14) n/a n/a n/a n/a

Source: AirNow (EPA), Montana DEQ

Extended Forecast

 
Hour
AQI
Primary
Wind Dir
 
Wind Speed ( mph kmh)
Temp (°F°C)
Tuesday, Feb 27Wednesday, Feb 28Thursday, Feb 29Friday, Mar 1Saturday, Mar 2
12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm
25262830394040383839393938373735323028282830313335363737373635353536373838383838383837363535373839393939383838383738383837374040363638373547485052545555545350494848474746464545444342414040404042
O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3PM2.5O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3
NNWNWWWWWWWSWWSWSWSWSSWSSSSSSWSSWSSSWSSWSSWSSWSWSWSWSWSWSWSSWSSWSSWSSSSSSSSSSSSSSSSSSSSWSSWSSWSSWSSWSSWSSWSSWSSWWWWWWWWSWWSWWSWWSWWSWWSWSWSWSWSWSWSWSSESSESSESSESSESSESSWSSWSSWSSWSSWSSWSESESESESESENNWNNW
10 16 13 21 17 27 19 30 22 36 23 36 19 31 17 27 14 23 12 20 14 22 13 21 13 21 13 21 13 21 12 19 11 18 12 20 14 22 14 22 14 23 16 25 16 26 17 27 17 27 17 27 21 34 21 34 21 34 19 31 19 31 19 31 20 33 20 33 20 33 20 32 20 32 20 32 20 31 20 32 20 32 20 32 20 33 21 34 21 34 23 36 24 38 25 40 26 42 27 44 28 46 29 46 29 47 29 47 28 44 26 42 24 39 23 36 21 34 19 31 18 28 16 25 14 23 12 20 10 17 9 14 9 14 9 14 9 14 9 14 9 14 9 14 9 14 9 14 9 14 9 14 9 14 9 14 9 14 8 13 8 13 7 12 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 12 7 12 8 12 8 13 8 14
18 -7.8 21 -6 24 -4.5 26 -3.5 24 -4.5 23 -5 20 -6.5 18 -7.9 18 -7.9 17 -8.5 17 -8.3 17 -8.5 15 -9.4 17 -8.4 18 -8 18 -7.8 19 -7.4 19 -7 20 -6.8 20 -6.6 22 -5.6 26 -3.1 31 -0.4 36 2.1 39 3.9 42 5.4 43 5.9 44 6.6 43 6.3 43 6.1 41 4.9 39 3.7 37 2.9 35 1.9 35 1.6 34 1.3 34 1 33 0.7 33 0.4 33 0.5 33 0.6 33 0.8 34 1 34 1.2 35 1.5 38 3.5 42 5.5 45 7.4 47 8.4 49 9.3 50 10.2 49 9.7 49 9.2 48 8.7 45 7.5 43 6.3 41 5 39 3.8 37 2.5 34 1.3 33 0.8 32 0.2 31 -0.3 31 -0.8 30 -1.4 29 -1.9 29 -1.5 30 -1.2 31 -0.8 31 -0.4 32 0 33 0.4 33 0.5 33 0.7 34 0.9 34 1.1 34 1.3 35 1.4 33 0.7 32 0 31 -0.7 29 -1.4 28 -2.1 27 -2.8 26 -3.2 26 -3.5 25 -3.8 25 -4.2 24 -4.5 23 -4.8 24 -4.5 24 -4.2 25 -3.9 25 -3.6 26 -3.3 27 -3 26 -3.1

Source: CAMS, Vaisala Xweather

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