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)
64
Moderate
Exeter, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.10 μg/m³
0
55
155
255
425
605+
58.90 ppb
0
55
71
86
201
201+
0.65 ppb
0
36
76
186
605
1005+
3.47 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Exeter, California
Exeter, California
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AQI 97
Moderate
6.09μg/m³
PM2.5
24.08μg/m³
PM10
68.87ppb
O3
0.70ppb
SO2
3.31ppb
NO2
0.11ppm
CO
AQI 97
Moderate
6.35μg/m³
PM2.5
33.86μg/m³
PM10
69.07ppb
O3
0.69ppb
SO2
3.76ppb
NO2
0.11ppm
CO
AQI 80
Moderate
7.00μg/m³
PM2.5
31.12μg/m³
PM10
63.76ppb
O3
0.77ppb
SO2
3.01ppb
NO2
0.11ppm
CO
AQI 64
Moderate
6.03μg/m³
PM2.5
22.88μg/m³
PM10
58.66ppb
O3
0.71ppb
SO2
3.26ppb
NO2
0.11ppm
CO
AQI 77
Moderate
8.73μg/m³
PM2.5
38.73μg/m³
PM10
62.89ppb
O3
0.67ppb
SO2
3.82ppb
NO2
0.11ppm
CO
AQI 47
Good
6.33μg/m³
PM2.5
23.67μg/m³
PM10
50.56ppb
O3
0.76ppb
SO2
3.35ppb
NO2
0.11ppm
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 11:00:00 on 2026-07-25.
In the last 24 hours, the best air quality in Exeter, California was observed at 12:00:00 on 2026-07-25.
As of now, the AQI in Exeter, California is 64, indicating Moderate conditions.
Exeter, California air has the highest levels of O3.
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 6.703 μg/m3.
The PM10 concentration in Exeter, California is 20.102 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Exeter, California is 0.109 ppm.
Currently, Exeter, California has a sulfur dioxide (SO2) concentration of 0.654 ppb.
The current ozone (O3) level in Exeter, California at the moment is 58.898 ppm.
Nitrogen dioxide (NO2) level in Exeter, California at the moment is 3.474 ppb.
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