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)
27
Good
Berkeley, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.79 μg/m³
0
55
155
255
425
605+
27.45 ppb
0
55
71
86
201
201+
0.90 ppb
0
36
76
186
605
1005+
3.86 ppb
0
54
101
361
1250
2050+
0.50 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Berkeley, California
Berkeley, California
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AQI 27
Good
5.00μg/m³
PM2.5
21.79μg/m³
PM10
27.22ppb
O3
0.92ppb
SO2
3.53ppb
NO2
0.52ppm
CO
AQI 26
Good
3.58μg/m³
PM2.5
15.29μg/m³
PM10
27.93ppb
O3
0.85ppb
SO2
4.50ppb
NO2
0.42ppm
CO
AQI 27
Good
4.46μg/m³
PM2.5
19.16μg/m³
PM10
28.52ppb
O3
0.81ppb
SO2
5.31ppb
NO2
0.36ppm
CO
AQI 27
Good
4.31μg/m³
PM2.5
18.36μg/m³
PM10
28.93ppb
O3
0.82ppb
SO2
6.00ppb
NO2
0.34ppm
CO
AQI 27
Good
4.13μg/m³
PM2.5
17.90μg/m³
PM10
28.61ppb
O3
0.70ppb
SO2
4.08ppb
NO2
0.38ppm
CO
AQI 25
Good
3.67μg/m³
PM2.5
16.26μg/m³
PM10
27.04ppb
O3
1.21ppb
SO2
2.31ppb
NO2
0.22ppm
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 07:00:00 on 2025-06-05.
In the last 24 hours, the best air quality in Berkeley, California was observed at 05:00:00 on 2025-06-06.
As of now, the AQI in Berkeley, California is 27, 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 4.787 μg/m3.
The PM10 concentration in Berkeley, California is 20.786 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 0.896 ppb.
The current ozone (O3) level in Berkeley, California at the moment is 27.449 ppm.
Nitrogen dioxide (NO2) level in Berkeley, California at the moment is 3.864 ppb.
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