Live air quality index in Chico, California today
Stay updated with real-time air quality in Chico, California featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
52
Moderate
Chico, California
Last updated: ... (Local time)
Major air pollutants in Chico, California
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
9.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
21.23 μg/m³
0
55
155
255
425
605+
Ozone (O3)
36.02 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.25 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
4.55 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Chico, California
Chico, California
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Chico, California air quality map: Real-time AQI near you
Air quality in nearby cities
Oroville, California
AQI 38
Good
7.05μg/m³
PM2.5
23.79μg/m³
PM10
28.81ppb
O3
0.25ppb
SO2
2.83ppb
NO2
0.10ppm
CO
Red Bluff, California
AQI 44
Good
8.29μg/m³
PM2.5
29.17μg/m³
PM10
34.11ppb
O3
0.25ppb
SO2
2.98ppb
NO2
0.10ppm
CO
Yuba City, California
AQI 33
Good
6.10μg/m³
PM2.5
14.35μg/m³
PM10
28.50ppb
O3
0.25ppb
SO2
1.99ppb
NO2
0.10ppm
CO
Marysville, California
AQI 33
Good
6.10μg/m³
PM2.5
14.35μg/m³
PM10
28.50ppb
O3
0.25ppb
SO2
1.99ppb
NO2
0.10ppm
CO
Linda, California
AQI 33
Good
6.13μg/m³
PM2.5
16.43μg/m³
PM10
28.91ppb
O3
0.25ppb
SO2
2.07ppb
NO2
0.10ppm
CO
Olivehurst, California
AQI 33
Good
6.16μg/m³
PM2.5
16.60μg/m³
PM10
29.00ppb
O3
0.24ppb
SO2
2.06ppb
NO2
0.10ppm
CO
How accurate is California, USA air quality data?
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Frequently asked questions
How frequently is the air quality data for Chico, California updated?
Air quality data for Chico, California is updated on an hourly basis.
When did Chico, California experience the worst air quality in the last 24 hours?
The worst air quality in Chico, California was recorded at 09:00:00 on 2025-06-07.
When did Chico, California have its best air quality in the last 24 hours?
The best air quality in Chico, California was recorded at 06:00:00 on 2025-06-06.
What is the real-time air quality index for Chico, California?
The real-time air quality index in Chico, California is 52, currently categorized as Moderate.
Which pollutant is found most often in Chico, California?
The most common pollutant in Chico, California is PM2.5.
What can I do if the air quality in Chico, California is poor?
If the air quality in Chico, California is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Chico, California?
The measured PM2.5 levels in Chico, California at present are 9.614 μg/m3.
What are the current PM10 levels at Chico, California?
The current PM10 levels in Chico, California are 21.228 μg/m3.
What are the current carbon monoxide (CO) levels at Chico, California?
The current carbon monoxide (CO) level in Chico, California is 0.1 ppm.
What are the current sulfur dioxide (SO2) levels at Chico, California?
The current sulfur dioxide (SO2) levels in Chico, California are 0.248 ppb.
What are the current ozone (O3) levels at Chico, California?
The current ozone (O3) levels at Chico, California is 36.024 ppm.
What are the current nitrogen dioxide (NO2) levels at Chico, California?
The current nitrogen dioxide (NO2) levels at Chico, California is 4.554 ppb.
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