Stay updated with real-time air quality in Exeter, 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
Exeter, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.06 μg/m³
0
55
155
255
425
605+
14.74 ppb
0
55
71
86
201
201+
0.45 ppb
0
36
76
186
605
1005+
7.87 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Exeter, California
Exeter, California
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AQI 33
Good
5.85μg/m³
PM2.5
31.12μg/m³
PM10
13.97ppb
O3
0.46ppb
SO2
7.93ppb
NO2
0.34ppm
CO
AQI 33
Good
5.86μg/m³
PM2.5
24.70μg/m³
PM10
12.56ppb
O3
0.47ppb
SO2
9.88ppb
NO2
0.35ppm
CO
AQI 27
Good
4.98μg/m³
PM2.5
21.95μg/m³
PM10
10.11ppb
O3
0.45ppb
SO2
8.18ppb
NO2
0.32ppm
CO
AQI 33
Good
5.54μg/m³
PM2.5
29.05μg/m³
PM10
10.37ppb
O3
0.46ppb
SO2
9.79ppb
NO2
0.32ppm
CO
AQI 33
Good
6.24μg/m³
PM2.5
28.21μg/m³
PM10
10.81ppb
O3
0.49ppb
SO2
11.10ppb
NO2
0.34ppm
CO
AQI 33
Good
5.96μg/m³
PM2.5
30.50μg/m³
PM10
15.29ppb
O3
0.33ppb
SO2
8.92ppb
NO2
0.27ppm
CO
Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Exeter, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Exeter, California was at its worst at 05:00:00 on 2025-09-08.
In the last 24 hours, the best air quality in Exeter, California was observed at 02:00:00 on 2025-09-07.
As of now, the AQI in Exeter, California is 38, indicating Good conditions.
Exeter, California air has the highest levels of PM2.5.
Poor air quality in Exeter, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Exeter, California are currently 7.491 μg/m3.
The PM10 concentration in Exeter, California is 23.452 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Exeter, California is 0.419 ppm.
Currently, Exeter, California has a sulfur dioxide (SO2) concentration of 0.677 ppb.
The current ozone (O3) level in Exeter, California at the moment is 24.094 ppm.
Nitrogen dioxide (NO2) level in Exeter, California at the moment is 8.33 ppb.
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