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
6.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
31.99 μg/m³
0
55
155
255
425
605+
27.96 ppb
0
55
71
86
201
201+
1.15 ppb
0
36
76
186
605
1005+
7.45 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hermosa Beach, California
Hermosa Beach, California
Scroll To Air Quality MapLoading...
AQI 52
Moderate
9.62μg/m³
PM2.5
28.91μg/m³
PM10
42.19ppb
O3
0.92ppb
SO2
7.98ppb
NO2
0.25ppm
CO
AQI 52
Moderate
9.62μg/m³
PM2.5
28.91μg/m³
PM10
42.19ppb
O3
0.92ppb
SO2
7.98ppb
NO2
0.25ppm
CO
AQI 52
Moderate
9.62μg/m³
PM2.5
28.91μg/m³
PM10
42.19ppb
O3
0.92ppb
SO2
7.98ppb
NO2
0.25ppm
CO
AQI 52
Moderate
9.78μg/m³
PM2.5
28.88μg/m³
PM10
41.24ppb
O3
0.89ppb
SO2
12.29ppb
NO2
0.26ppm
CO
AQI 52
Moderate
9.54μg/m³
PM2.5
34.35μg/m³
PM10
42.00ppb
O3
0.94ppb
SO2
8.57ppb
NO2
0.25ppm
CO
AQI 54
Moderate
11.37μg/m³
PM2.5
38.92μg/m³
PM10
38.53ppb
O3
0.95ppb
SO2
8.60ppb
NO2
0.25ppm
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 07:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Hermosa Beach, California was observed at 01:00:00 on 2026-07-23.
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 6.265 μg/m3.
The PM10 concentration in Hermosa Beach, California is 31.988 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hermosa Beach, California is 0.203 ppm.
Currently, Hermosa Beach, California has a sulfur dioxide (SO2) concentration of 1.149 ppb.
The current ozone (O3) level in Hermosa Beach, California at the moment is 27.96 ppm.
Nitrogen dioxide (NO2) level in Hermosa Beach, California at the moment is 7.446 ppb.
All Rights Reserved © Ambee Inc. 2025