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39.14045, -121.61691

Air Quality

Updated an hour ago

29

Good

Primary Pollutant: PM10

O3 41 µg/m3 (19)
PM2.5 7 µg/m3 (28)
PM10 32 µg/m3 (29)
CO 327 µg/m3 (3)
NO2 0 µg/m3 (0)
SO2 1 µg/m3 (0)

Source: US EPA AirNow, California Air Resources Board, OpenAQ, AirNow (EPA), CAMS, Vaisala Xweather

Nearby Stations

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

45

O3 n/a n/a n/a 98 (45) n/a n/a
Chico

44

O3 5 (21) 17 (15) 0.564 (0) 96 (44) 115 (1) n/a
Paradise

63

PM2.5 18 (63) n/a n/a n/a n/a n/a
Gridley

12

PM2.5 3 (12) n/a n/a n/a n/a n/a
Colusa

38

O3 2.4 (10) n/a n/a 84 (38) n/a n/a
Pilot Hill

45

O3 n/a n/a n/a 98 (45) n/a n/a
Willows

42

O3 6 (25) 27 (25) n/a 92 (42) n/a n/a
Grass Valley

44

O3 7.8 (32) n/a n/a 96 (44) n/a n/a
Colfax

38

O3 9 (37) n/a n/a 84 (38) n/a n/a
Roseville

38

O3 3 (12) 18 (16) 0.188 (0) 84 (38) n/a n/a

Source: AirNow (EPA), California Air Resources Board, Northern Sierra AQMD, Placer County APCD

Extended Forecast

 
Hour
AQI
Primary
Wind Dir
 
Wind Speed ( mph kmh)
Temp (°F°C)
Tuesday, May 30Wednesday, May 31Thursday, Jun 1Friday, Jun 2Saturday, Jun 3
7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm
28252525252525282828282828282828283131343434343431313131313131343434343734313131313437373737343131312825252528283131343434313134343131313128252525252827283031313434363734343437373737343128282527
PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5
SSESSESSESSESSESSESESESSESSESSESSESSESSESSESSESSSSSSSSSSSSSESESESSESSESSESESESESSESSESSESSSSSWSSWSSWSSSSSESSESSESESESESESESESESESESSSWWWWWWWWWWWWSESESESESESESESESESESESESSWSSWSSWSSWSSWSSWSSS
12 20 12 20 13 22 13 22 12 20 12 20 12 20 12 19 12 19 10 16 10 16 10 16 8 14 7 11 7 11 6 9 6 9 6 9 6 9 6 9 7 11 7 11 8 13 8 13 8 13 10 16 10 16 10 16 10 16 10 16 10 16 9 15 9 15 9 15 7 12 7 12 7 11 6 10 6 10 7 11 7 11 7 11 7 12 8 13 8 13 8 13 8 13 8 13 8 13 8 13 9 14 10 15 10 16 10 16 10 16 9 15 9 14 8 12 7 11 6 10 6 10 6 9 6 10 7 11 8 13 8 13 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 10 6 10 6 10 6 10 7 11 7 11 7 11 7 12 8 12 8 13 8 13 8 13 8 14 9 14 9 14 9 14 9 15 9 15
79 26 76 24 71 22 67 19 64 18 63 17 61 16 59 15 57 14 56 14 55 13 55 13 56 13 57 14 60 16 64 18 68 20 72 22 75 24 77 25 81 27 81 27 82 28 83 28 82 28 80 27 74 23 70 21 68 20 66 19 64 18 62 17 60 15 59 15 58 14 58 14 60 15 61 16 65 18 69 21 73 23 76 25 80 26 83 28 84 29 85 29 86 30 84 29 83 28 81 27 77 25 73 23 69 21 67 19 64 18 62 17 61 16 59 15 58 15 59 15 61 16 62 17 67 19 71 22 76 25 80 27 83 29 87 31 88 31 89 32 90 32 87 31 84 29 81 27 78 26 75 24 72 22 70 21 68 20 67 19 65 18 63 17 61 16 64 18 67 20 70 21 73 23 76 25 79 26 82 28 84 29 87 30 89 32 92 33 94 35 91 33 88 31

Source: CAMS, Vaisala Xweather

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