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)
28
Good
Seal Beach, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.84 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.10 μg/m³
0
55
155
255
425
605+
29.80 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
3.00 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Seal Beach, California
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AQI 38
Good
7.04μg/m³
PM2.5
29.92μg/m³
PM10
35.82ppb
O3
0.46ppb
SO2
10.39ppb
NO2
0.15ppm
CO
AQI 41
Good
6.71μg/m³
PM2.5
26.41μg/m³
PM10
43.51ppb
O3
0.46ppb
SO2
10.43ppb
NO2
0.21ppm
CO
AQI 44
Good
7.79μg/m³
PM2.5
31.99μg/m³
PM10
35.93ppb
O3
0.54ppb
SO2
8.59ppb
NO2
0.17ppm
CO
AQI 44
Good
8.34μg/m³
PM2.5
33.54μg/m³
PM10
35.99ppb
O3
0.59ppb
SO2
6.92ppb
NO2
0.18ppm
CO
AQI 38
Good
6.54μg/m³
PM2.5
29.05μg/m³
PM10
36.97ppb
O3
0.42ppb
SO2
11.00ppb
NO2
0.16ppm
CO
AQI 42
Good
5.77μg/m³
PM2.5
30.46μg/m³
PM10
44.52ppb
O3
0.35ppb
SO2
9.63ppb
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 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 05:00:00 on 2025-09-10.
In the last 24 hours, the best air quality in Seal Beach, California was observed at 12:00:00 on 2025-09-10.
As of now, the AQI in Seal Beach, California is 28, indicating Good conditions.
Seal Beach, California air has the highest levels of O3.
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 3.842 μg/m3.
The PM10 concentration in Seal Beach, California is 25.102 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Seal Beach, California is 0.166 ppm.
Currently, Seal Beach, California has a sulfur dioxide (SO2) concentration of 0.339 ppb.
The current ozone (O3) level in Seal Beach, California at the moment is 29.805 ppm.
Nitrogen dioxide (NO2) level in Seal Beach, California at the moment is 2.999 ppb.
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