Stay updated with real-time air quality in Fairfield, 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)
24
Good
Fairfield, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.34 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.85 μg/m³
0
55
155
255
425
605+
25.58 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
2.06 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Fairfield, California
Fairfield, California
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AQI 24
Good
2.34μg/m³
PM2.5
12.85μg/m³
PM10
25.58ppb
O3
0.38ppb
SO2
2.06ppb
NO2
0.33ppm
CO
AQI 25
Good
0.95μg/m³
PM2.5
4.34μg/m³
PM10
26.66ppb
O3
0.40ppb
SO2
2.21ppb
NO2
0.24ppm
CO
AQI 26
Good
3.51μg/m³
PM2.5
15.98μg/m³
PM10
27.51ppb
O3
0.31ppb
SO2
1.72ppb
NO2
0.30ppm
CO
AQI 23
Good
1.94μg/m³
PM2.5
4.30μg/m³
PM10
25.41ppb
O3
0.40ppb
SO2
1.84ppb
NO2
0.31ppm
CO
AQI 25
Good
2.23μg/m³
PM2.5
9.59μg/m³
PM10
27.19ppb
O3
0.53ppb
SO2
2.09ppb
NO2
0.34ppm
CO
AQI 26
Good
4.14μg/m³
PM2.5
18.74μg/m³
PM10
27.97ppb
O3
0.21ppb
SO2
1.52ppb
NO2
0.30ppm
CO
The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Fairfield, California are available every hour.
Fairfield, California experienced its worst air quality at 03:00:00, 2025-06-05.
The best air quality in Fairfield, California was observed at 08:00:00 on 2025-06-06.
The air quality in Fairfield, California right now is Good, with an AQI of 24.
In Fairfield, California, O3 is the most frequently found pollutant.
When air quality in Fairfield, California is compromised, staying indoors and wearing a mask can reduce health risks.
Fairfield, California currently has a PM2.5 concentration of 2.343 μg/m3.
Fairfield, California currently has a PM10 concentration of 12.849 μg/m3.
The current carbon monoxide (CO) level in Fairfield, California is 0.33 ppm.
The current sulfur dioxide (SO2) concentration in Fairfield, California is 0.383 ppb.
Fairfield, California currently has an ozone (O3) concentration of 25.583 ppm.
The current level of nitrogen dioxide (NO2) in Fairfield, California is 2.063 ppb.
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