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)
39
Good
Exeter, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.63 μg/m³
0
55
155
255
425
605+
41.78 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
4.83 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Exeter, California
Exeter, California
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AQI 38
Good
6.79μg/m³
PM2.5
34.81μg/m³
PM10
27.96ppb
O3
0.50ppb
SO2
3.77ppb
NO2
0.10ppm
CO
AQI 38
Good
6.58μg/m³
PM2.5
32.04μg/m³
PM10
26.49ppb
O3
0.50ppb
SO2
3.48ppb
NO2
0.10ppm
CO
AQI 44
Good
7.57μg/m³
PM2.5
33.96μg/m³
PM10
29.87ppb
O3
0.49ppb
SO2
6.46ppb
NO2
0.10ppm
CO
AQI 38
Good
6.77μg/m³
PM2.5
30.41μg/m³
PM10
25.94ppb
O3
0.50ppb
SO2
3.71ppb
NO2
0.10ppm
CO
AQI 33
Good
6.16μg/m³
PM2.5
27.77μg/m³
PM10
21.23ppb
O3
0.50ppb
SO2
3.58ppb
NO2
0.10ppm
CO
AQI 33
Good
6.33μg/m³
PM2.5
25.43μg/m³
PM10
23.28ppb
O3
0.46ppb
SO2
4.71ppb
NO2
0.10ppm
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 01:00:00 on 2025-07-24.
In the last 24 hours, the best air quality in Exeter, California was observed at 09:00:00 on 2025-07-23.
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 6.698 μg/m3.
The PM10 concentration in Exeter, California is 34.743 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Exeter, California is 0.1 ppm.
Currently, Exeter, California has a sulfur dioxide (SO2) concentration of 0.499 ppb.
The current ozone (O3) level in Exeter, California at the moment is 27.692 ppm.
Nitrogen dioxide (NO2) level in Exeter, California at the moment is 4.118 ppb.
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