Stay updated with real-time air quality in Suisun City, 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)
27
Good
Suisun City, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.32 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.34 μg/m³
0
55
155
255
425
605+
17.91 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
3.52 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Suisun City, California
Suisun City, California
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AQI 33
Good
6.40μg/m³
PM2.5
28.77μg/m³
PM10
18.97ppb
O3
0.44ppb
SO2
2.70ppb
NO2
0.26ppm
CO
AQI 33
Good
5.87μg/m³
PM2.5
25.86μg/m³
PM10
18.94ppb
O3
0.47ppb
SO2
3.76ppb
NO2
0.22ppm
CO
AQI 33
Good
5.87μg/m³
PM2.5
26.39μg/m³
PM10
19.08ppb
O3
0.40ppb
SO2
1.76ppb
NO2
0.29ppm
CO
AQI 22
Good
4.45μg/m³
PM2.5
16.09μg/m³
PM10
20.18ppb
O3
0.42ppb
SO2
1.86ppb
NO2
0.25ppm
CO
AQI 33
Good
5.86μg/m³
PM2.5
26.30μg/m³
PM10
19.29ppb
O3
0.41ppb
SO2
1.72ppb
NO2
0.29ppm
CO
AQI 33
Good
6.17μg/m³
PM2.5
27.88μg/m³
PM10
19.01ppb
O3
0.40ppb
SO2
1.70ppb
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 Suisun City, California are available every hour.
Suisun City, California experienced its worst air quality at 12:00:00, 2026-07-28.
The best air quality in Suisun City, California was observed at 08:00:00 on 2026-07-28.
The air quality in Suisun City, California right now is Good, with an AQI of 27.
In Suisun City, California, PM2.5 is the most frequently found pollutant.
When air quality in Suisun City, California is compromised, staying indoors and wearing a mask can reduce health risks.
Suisun City, California currently has a PM2.5 concentration of 5.317 μg/m3.
Suisun City, California currently has a PM10 concentration of 21.345 μg/m3.
The current carbon monoxide (CO) level in Suisun City, California is 0.293 ppm.
The current sulfur dioxide (SO2) concentration in Suisun City, California is 0.405 ppb.
Suisun City, California currently has an ozone (O3) concentration of 17.91 ppm.
The current level of nitrogen dioxide (NO2) in Suisun City, California is 3.517 ppb.
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