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)
44
Good
Suisun City, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.86 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.59 μg/m³
0
55
155
255
425
605+
27.86 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
4.39 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Suisun City, California
Suisun City, California
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AQI 33
Good
6.44μg/m³
PM2.5
28.30μg/m³
PM10
27.93ppb
O3
0.50ppb
SO2
2.97ppb
NO2
0.42ppm
CO
AQI 30
Good
1.94μg/m³
PM2.5
8.43μg/m³
PM10
31.59ppb
O3
0.50ppb
SO2
3.48ppb
NO2
0.42ppm
CO
AQI 38
Good
7.06μg/m³
PM2.5
31.41μg/m³
PM10
25.99ppb
O3
0.55ppb
SO2
3.12ppb
NO2
0.49ppm
CO
AQI 44
Good
7.71μg/m³
PM2.5
35.14μg/m³
PM10
29.29ppb
O3
0.47ppb
SO2
2.11ppb
NO2
0.43ppm
CO
AQI 49
Good
8.62μg/m³
PM2.5
37.74μg/m³
PM10
26.08ppb
O3
0.53ppb
SO2
2.89ppb
NO2
0.47ppm
CO
AQI 24
Good
4.40μg/m³
PM2.5
19.87μg/m³
PM10
26.00ppb
O3
0.60ppb
SO2
3.19ppb
NO2
0.50ppm
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 07:00:00, 2026-09-20.
The best air quality in Suisun City, California was observed at 05:00:00 on 2026-09-20.
The air quality in Suisun City, California right now is Good, with an AQI of 44.
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 7.859 μg/m3.
Suisun City, California currently has a PM10 concentration of 34.588 μg/m3.
The current carbon monoxide (CO) level in Suisun City, California is 0.152 ppm.
The current sulfur dioxide (SO2) concentration in Suisun City, California is 0.562 ppb.
Suisun City, California currently has an ozone (O3) concentration of 27.864 ppm.
The current level of nitrogen dioxide (NO2) in Suisun City, California is 4.388 ppb.
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