Air Quality in Chico, United States

Windy
35.5°C · 15.4% humidity
35.5°
Feels 35.5°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
24 2pm
24
24
24 5pm
24
24
24 8pm
24
24
25 11pm
25
25
25 2am
25
27
27 5am
27
27
27 8am
27
27
27 11am
27
27
AD 728×90

Air Quality Index Trend

47h · 1 stn

Chico's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Chico is 1.2× the WHO annual guideline of 5 µg/m³.

15.4%
Humidity
41.1 km/h
Wind N
1015.0 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
24
5.8 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Chico?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.55.8 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
AD 300×250

What is the 7-day forecast for Chico?

05-29
35.5° 13.5°
05-30
30.2° 18.5°
05-31
40.5° 21.8°
06-01
41.5° 16.1°
06-02
36.7° 14.2°
06-03
35.5° 8.6°
06-04
31.9° 10.4°
0.06 mm
Both models agree Avg diff: 4.6°C

Where are air quality stations near Chico?

16
Chico - East Avenue Collocation 2
3.7 km PM2.5: 3.8 µg/m³
18
Chico - East Avenue Collocation 1
3.7 km PM2.5: 4.2 µg/m³
30
Chico - East Avenue, Butte, California
3.7 km PM2.5: 7.2 µg/m³

What cities are near Chico?

25 Paradise 24 Oroville 24 Yuba City 24 South Yuba City 24 Linda 54 Redding 24 Clearlake 55 Rocklin 25 Woodland 30 Rio Linda
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T00:11 UTC.