Stay updated with real-time air quality in Seal 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)
56
Moderate
Seal Beach, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.54 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
44.15 μg/m³
0
55
155
255
425
605+
43.80 ppb
0
55
71
86
201
201+
1.19 ppb
0
36
76
186
605
1005+
9.52 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Seal Beach, California
Seal Beach, California
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AQI 54
Moderate
11.29μg/m³
PM2.5
42.35μg/m³
PM10
42.61ppb
O3
1.22ppb
SO2
9.66ppb
NO2
0.21ppm
CO
AQI 54
Moderate
11.16μg/m³
PM2.5
43.69μg/m³
PM10
49.84ppb
O3
1.16ppb
SO2
12.29ppb
NO2
0.26ppm
CO
AQI 52
Moderate
9.83μg/m³
PM2.5
37.57μg/m³
PM10
41.31ppb
O3
1.28ppb
SO2
8.11ppb
NO2
0.19ppm
CO
AQI 49
Good
9.00μg/m³
PM2.5
35.46μg/m³
PM10
41.08ppb
O3
1.30ppb
SO2
7.02ppb
NO2
0.19ppm
CO
AQI 56
Moderate
11.98μg/m³
PM2.5
48.61μg/m³
PM10
42.65ppb
O3
1.17ppb
SO2
8.73ppb
NO2
0.21ppm
CO
AQI 56
Moderate
11.88μg/m³
PM2.5
50.11μg/m³
PM10
46.95ppb
O3
1.10ppb
SO2
8.88ppb
NO2
0.30ppm
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 Seal Beach, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Seal Beach, California was at its worst at 10:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Seal Beach, California was observed at 04:00:00 on 2026-07-23.
As of now, the AQI in Seal Beach, California is 56, indicating Moderate conditions.
Seal Beach, California air has the highest levels of PM2.5.
Poor air quality in Seal Beach, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Seal Beach, California are currently 11.541 μg/m3.
The PM10 concentration in Seal Beach, California is 44.152 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Seal Beach, California is 0.232 ppm.
Currently, Seal Beach, California has a sulfur dioxide (SO2) concentration of 1.188 ppb.
The current ozone (O3) level in Seal Beach, California at the moment is 43.797 ppm.
Nitrogen dioxide (NO2) level in Seal Beach, California at the moment is 9.517 ppb.
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