Stay updated with real-time air quality in Berkeley, 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)
44
Good
Berkeley, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.81 μg/m³
0
55
155
255
425
605+
11.80 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
8.63 ppb
0
54
101
361
1250
2050+
0.36 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Berkeley, California
Berkeley, California
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AQI 44
Good
7.51μg/m³
PM2.5
33.88μg/m³
PM10
12.07ppb
O3
0.32ppb
SO2
8.28ppb
NO2
0.32ppm
CO
AQI 52
Moderate
10.29μg/m³
PM2.5
46.13μg/m³
PM10
10.14ppb
O3
0.18ppb
SO2
13.32ppb
NO2
0.47ppm
CO
AQI 54
Moderate
10.89μg/m³
PM2.5
48.88μg/m³
PM10
10.21ppb
O3
0.25ppb
SO2
16.65ppb
NO2
0.38ppm
CO
AQI 56
Moderate
11.61μg/m³
PM2.5
52.14μg/m³
PM10
10.40ppb
O3
0.21ppb
SO2
18.07ppb
NO2
0.36ppm
CO
AQI 54
Moderate
10.60μg/m³
PM2.5
47.54μg/m³
PM10
8.70ppb
O3
0.29ppb
SO2
15.84ppb
NO2
0.43ppm
CO
AQI 52
Moderate
9.54μg/m³
PM2.5
42.72μg/m³
PM10
14.79ppb
O3
0.37ppb
SO2
6.74ppb
NO2
0.30ppm
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 Berkeley, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Berkeley, California was at its worst at 12:00:00 on 2026-01-23.
In the last 24 hours, the best air quality in Berkeley, California was observed at 07:00:00 on 2026-01-23.
As of now, the AQI in Berkeley, California is 38, indicating Good conditions.
Berkeley, California air has the highest levels of PM2.5.
Poor air quality in Berkeley, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Berkeley, California are currently 7.472 μg/m3.
The PM10 concentration in Berkeley, California is 33.472 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Berkeley, California is 0.327 ppm.
Currently, Berkeley, California has a sulfur dioxide (SO2) concentration of 0.278 ppb.
The current ozone (O3) level in Berkeley, California at the moment is 11.14 ppm.
Nitrogen dioxide (NO2) level in Berkeley, California at the moment is 10.127 ppb.
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