40.41628, -120.65301

Air Quality

Updated an hour ago

21

Good

Primary Pollutant: O3

O3 45 µg/m3 (21)
PM2.5 4 µg/m3 (17)
PM10 7 µg/m3 (6)
CO 229 µg/m3 (2)
NO2 8 µg/m3 (4)
SO2 2 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)
Chester

80

PM2.5 26 (80) n/a n/a n/a n/a n/a
Portola

79

PM2.5 26 (79) n/a n/a n/a n/a n/a
Old Station

32

O3 n/a n/a n/a 71 (32) n/a n/a
Quincy

48

PM2.5 12 (48) n/a n/a n/a n/a n/a
Old Station

32

O3 n/a n/a n/a 71 (32) n/a n/a
Chester

65

PM2.5 19 (65) n/a n/a n/a n/a n/a
Quincy

40

PM2.5 9.8 (40) n/a n/a n/a n/a n/a
Portola

93

PM2.5 32 (93) n/a n/a n/a n/a n/a

Source: Northern Sierra AQMD, National Park Service, Unknown Governmental Organization

Extended Forecast

 
Hour
AQI
Primary
Wind Dir
 
Wind Speed ( mph kmh)
Temp (°F°C)
Friday, Dec 13Saturday, Dec 14Sunday, Dec 15Monday, Dec 16Tuesday, Dec 17
7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm12am1am2am3am4am5am6am7am
30212222233637383839394141424243434343444445444444434243444443434341403938373735343232313030292828282729292933333636303132333434353636343435353536363738404244444444424140393838373737373737363635
O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5PM2.5O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3O3
WWWSWSWSWSWSWSWWSWWSWWSWWWWWNWWNWWNWWSWWSWWSWESEESEESESSSSSWSSWSSWSWSWSWWSWWSWWSWWSWWSWWSWWWWWSWWSWWSWWWWESEESEESEESEESEESEESEESEESEEEEEEESESESESESESESSWSSWSSWSSWSSWSSWSSSSSSSWSWSWSWSWSWSWSWSWSWSWSWWWWW
4 6 4 6 4 6 7 11 7 11 7 11 9 14 9 14 9 14 12 19 12 19 12 19 15 24 15 24 15 24 21 34 21 34 21 34 20 32 20 32 20 32 9 15 9 15 9 15 11 18 11 18 11 18 19 31 19 31 19 31 12 20 12 20 12 20 10 16 10 16 10 16 9 15 8 13 7 11 6 10 5 8 4 7 3 5 3 5 2 4 2 3 2 3 1 2 1 2 1 2 1 2 1 2 2 2 2 3 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 3 4 3 4 3 4 3 5 3 5 3 5 4 6 4 6 4 7 4 7 5 7 5 8 5 8 5 9 5 8 5 8 5 7 4 7 4 7 4 6 4 6 3 5 3 5 3 4 2 4 2 4 2 3 2 3 2 3
32 0 34 1.2 36 2.2 37 2.7 38 3.6 39 3.8 39 3.8 40 4.5 41 4.7 39 3.8 38 3.5 38 3.1 37 2.8 37 3 37 3 38 3.1 37 2.9 37 3 37 3 36 2.2 36 2 36 2 34 1.1 35 1.4 35 1.4 35 1.9 36 2.2 37 2.7 37 2.7 38 3.4 37 2.8 38 3.3 37 2.7 35 1.8 34 1.3 34 1.3 34 1.2 34 0.9 33 0.6 33 0.3 32 -0.2 31 -0.6 30 -1.1 29 -1.8 27 -2.6 26 -3.3 25 -3.9 24 -4.4 23 -5 26 -3.5 28 -2.1 31 -0.7 32 0.2 34 1.1 36 2 35 1.6 34 1.1 33 0.7 32 0.1 31 -0.5 30 -1.1 29 -1.7 28 -2.4 27 -3 26 -3.2 26 -3.5 25 -3.8 25 -4.1 24 -4.3 24 -4.6 25 -3.9 26 -3.2 27 -2.6 29 -1.9 30 -1.2 31 -0.5 32 -0.1 33 0.4 34 0.9 34 1.3 35 1.8 36 2.2 36 2.1 36 2 35 1.9 35 1.9 35 1.8 35 1.7 34 1.1 33 0.5 32 0 31 -0.6 30 -1.2 29 -1.8 30 -1.3 31 -0.8 31 -0.3

Source: CAMS, Vaisala Xweather

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