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)
27
Good
Discovery Bay, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.70 μg/m³
0
55
155
255
425
605+
18.87 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
3.06 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Discovery Bay, California
Discovery Bay, California
Scroll To Air Quality MapLoading...
AQI 33
Good
6.33μg/m³
PM2.5
26.66μg/m³
PM10
18.93ppb
O3
0.47ppb
SO2
3.69ppb
NO2
0.22ppm
CO
AQI 33
Good
6.19μg/m³
PM2.5
25.66μg/m³
PM10
19.02ppb
O3
0.49ppb
SO2
3.40ppb
NO2
0.21ppm
CO
AQI 33
Good
6.49μg/m³
PM2.5
27.91μg/m³
PM10
15.34ppb
O3
0.41ppb
SO2
5.05ppb
NO2
0.27ppm
CO
AQI 27
Good
4.97μg/m³
PM2.5
20.11μg/m³
PM10
18.20ppb
O3
0.40ppb
SO2
3.23ppb
NO2
0.26ppm
CO
AQI 22
Good
4.14μg/m³
PM2.5
19.62μg/m³
PM10
18.84ppb
O3
0.42ppb
SO2
3.22ppb
NO2
0.21ppm
CO
AQI 33
Good
6.21μg/m³
PM2.5
27.08μg/m³
PM10
17.15ppb
O3
0.41ppb
SO2
5.06ppb
NO2
0.25ppm
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 11:00:00 on 2026-08-16.
The best air quality in Discovery Bay, California was recorded at 01:00:00 on 2026-08-17.
The real-time air quality index in Discovery Bay, California is 27, 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 4.74 μg/m3.
The current PM10 levels in Discovery Bay, California are 27.702 μg/m3.
The current carbon monoxide (CO) level in Discovery Bay, California is 0.224 ppm.
The current sulfur dioxide (SO2) levels in Discovery Bay, California are 0.433 ppb.
The current ozone (O3) levels at Discovery Bay, California is 18.873 ppm.
The current nitrogen dioxide (NO2) levels at Discovery Bay, California is 3.058 ppb.
All Rights Reserved © Ambee Inc. 2025