Stay updated with real-time air quality in Hermosa Beach, 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)
33
Good
Hermosa Beach, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.24 μg/m³
0
55
155
255
425
605+
26.71 ppb
0
55
71
86
201
201+
0.81 ppb
0
36
76
186
605
1005+
7.65 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Hermosa Beach, California
Hermosa Beach, California
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AQI 33
Good
6.08μg/m³
PM2.5
28.22μg/m³
PM10
25.39ppb
O3
0.73ppb
SO2
19.61ppb
NO2
0.39ppm
CO
AQI 33
Good
6.08μg/m³
PM2.5
28.22μg/m³
PM10
25.39ppb
O3
0.73ppb
SO2
19.61ppb
NO2
0.39ppm
CO
AQI 33
Good
6.08μg/m³
PM2.5
28.22μg/m³
PM10
25.39ppb
O3
0.73ppb
SO2
19.61ppb
NO2
0.39ppm
CO
AQI 27
Good
5.48μg/m³
PM2.5
17.73μg/m³
PM10
20.08ppb
O3
0.48ppb
SO2
15.19ppb
NO2
0.39ppm
CO
AQI 44
Good
7.72μg/m³
PM2.5
43.62μg/m³
PM10
25.93ppb
O3
0.82ppb
SO2
19.41ppb
NO2
0.39ppm
CO
AQI 44
Good
7.70μg/m³
PM2.5
20.51μg/m³
PM10
16.88ppb
O3
0.79ppb
SO2
20.43ppb
NO2
0.37ppm
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 Hermosa Beach, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Hermosa Beach, California was at its worst at 12:00:00 on 2026-04-24.
In the last 24 hours, the best air quality in Hermosa Beach, California was observed at 12:00:00 on 2026-04-24.
As of now, the AQI in Hermosa Beach, California is 33, indicating Good conditions.
Hermosa Beach, California air has the highest levels of PM2.5.
Poor air quality in Hermosa Beach, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Hermosa Beach, California are currently 6.377 μg/m3.
The PM10 concentration in Hermosa Beach, California is 21.236 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hermosa Beach, California is 0.288 ppm.
Currently, Hermosa Beach, California has a sulfur dioxide (SO2) concentration of 0.811 ppb.
The current ozone (O3) level in Hermosa Beach, California at the moment is 26.715 ppm.
Nitrogen dioxide (NO2) level in Hermosa Beach, California at the moment is 7.651 ppb.
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