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)
37
Good
Hermosa Beach, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.16 μg/m³
0
55
155
255
425
605+
40.37 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
5.47 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Hermosa Beach, California
Hermosa Beach, California
Scroll To Air Quality MapLoading...
AQI 37
Good
1.94μg/m³
PM2.5
9.16μg/m³
PM10
40.37ppb
O3
0.30ppb
SO2
5.47ppb
NO2
0.21ppm
CO
AQI 37
Good
1.94μg/m³
PM2.5
9.16μg/m³
PM10
40.37ppb
O3
0.30ppb
SO2
5.47ppb
NO2
0.21ppm
CO
AQI 37
Good
1.94μg/m³
PM2.5
9.16μg/m³
PM10
40.37ppb
O3
0.30ppb
SO2
5.47ppb
NO2
0.21ppm
CO
AQI 37
Good
1.92μg/m³
PM2.5
9.39μg/m³
PM10
40.40ppb
O3
0.30ppb
SO2
6.96ppb
NO2
0.21ppm
CO
AQI 37
Good
2.10μg/m³
PM2.5
9.19μg/m³
PM10
40.14ppb
O3
0.30ppb
SO2
2.50ppb
NO2
0.21ppm
CO
AQI 37
Good
1.98μg/m³
PM2.5
9.29μg/m³
PM10
40.17ppb
O3
0.30ppb
SO2
2.56ppb
NO2
0.19ppm
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 04:00:00 on 2026-10-22.
In the last 24 hours, the best air quality in Hermosa Beach, California was observed at 11:00:00 on 2026-10-22.
As of now, the AQI in Hermosa Beach, California is 37, indicating Good conditions.
Hermosa Beach, California air has the highest levels of O3.
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 1.938 μg/m3.
The PM10 concentration in Hermosa Beach, California is 9.16 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hermosa Beach, California is 0.208 ppm.
Currently, Hermosa Beach, California has a sulfur dioxide (SO2) concentration of 0.302 ppb.
The current ozone (O3) level in Hermosa Beach, California at the moment is 40.37 ppm.
Nitrogen dioxide (NO2) level in Hermosa Beach, California at the moment is 5.474 ppb.
All Rights Reserved © Ambee Inc. 2025