Stay updated with real-time air quality in Discovery Bay, 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)
38
Good
Discovery Bay, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.66 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.57 μg/m³
0
55
155
255
425
605+
36.96 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
3.08 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Discovery Bay, California
Discovery Bay, California
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AQI 44
Good
8.26μg/m³
PM2.5
23.28μg/m³
PM10
35.85ppb
O3
0.69ppb
SO2
2.10ppb
NO2
0.21ppm
CO
AQI 49
Good
8.53μg/m³
PM2.5
22.72μg/m³
PM10
35.65ppb
O3
0.73ppb
SO2
2.13ppb
NO2
0.20ppm
CO
AQI 38
Good
6.77μg/m³
PM2.5
17.92μg/m³
PM10
33.12ppb
O3
0.49ppb
SO2
2.97ppb
NO2
0.23ppm
CO
AQI 44
Good
7.61μg/m³
PM2.5
21.95μg/m³
PM10
37.39ppb
O3
0.45ppb
SO2
1.89ppb
NO2
0.22ppm
CO
AQI 49
Good
8.99μg/m³
PM2.5
22.45μg/m³
PM10
21.79ppb
O3
0.47ppb
SO2
2.88ppb
NO2
0.20ppm
CO
AQI 38
Good
6.71μg/m³
PM2.5
16.41μg/m³
PM10
33.49ppb
O3
0.46ppb
SO2
3.38ppb
NO2
0.23ppm
CO
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Discovery Bay, California is updated on an hourly basis.
The worst air quality in Discovery Bay, California was recorded at 12:00:00 on 2026-04-25.
The best air quality in Discovery Bay, California was recorded at 01:00:00 on 2026-04-25.
The real-time air quality index in Discovery Bay, California is 38, currently categorized as Good.
The most common pollutant in Discovery Bay, California is PM2.5.
If the air quality in Discovery Bay, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Discovery Bay, California at present are 6.663 μg/m3.
The current PM10 levels in Discovery Bay, California are 25.566 μg/m3.
The current carbon monoxide (CO) level in Discovery Bay, California is 0.215 ppm.
The current sulfur dioxide (SO2) levels in Discovery Bay, California are 0.547 ppb.
The current ozone (O3) levels at Discovery Bay, California is 36.961 ppm.
The current nitrogen dioxide (NO2) levels at Discovery Bay, California is 3.08 ppb.
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