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)
54
Moderate
Berkeley, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
47.71 μg/m³
0
55
155
255
425
605+
19.20 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
6.65 ppb
0
54
101
361
1250
2050+
0.50 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Berkeley, California
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AQI 54
Moderate
11.50μg/m³
PM2.5
52.15μg/m³
PM10
14.97ppb
O3
1.03ppb
SO2
8.52ppb
NO2
0.53ppm
CO
AQI 56
Moderate
12.11μg/m³
PM2.5
54.86μg/m³
PM10
21.29ppb
O3
1.07ppb
SO2
6.42ppb
NO2
0.38ppm
CO
AQI 58
Moderate
12.74μg/m³
PM2.5
57.54μg/m³
PM10
21.70ppb
O3
1.03ppb
SO2
8.97ppb
NO2
0.38ppm
CO
AQI 58
Moderate
12.88μg/m³
PM2.5
58.03μg/m³
PM10
23.36ppb
O3
1.05ppb
SO2
9.00ppb
NO2
0.36ppm
CO
AQI 56
Moderate
11.90μg/m³
PM2.5
53.88μg/m³
PM10
21.59ppb
O3
0.93ppb
SO2
8.11ppb
NO2
0.35ppm
CO
AQI 38
Good
7.01μg/m³
PM2.5
31.42μg/m³
PM10
22.65ppb
O3
1.25ppb
SO2
2.76ppb
NO2
0.31ppm
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 03:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in Berkeley, California was observed at 01:00:00 on 2026-03-09.
As of now, the AQI in Berkeley, California is 54, indicating Moderate 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 10.592 μg/m3.
The PM10 concentration in Berkeley, California is 47.712 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Berkeley, California is 0.501 ppm.
Currently, Berkeley, California has a sulfur dioxide (SO2) concentration of 0.792 ppb.
The current ozone (O3) level in Berkeley, California at the moment is 19.2 ppm.
Nitrogen dioxide (NO2) level in Berkeley, California at the moment is 6.652 ppb.
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