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)
49
Good
Seal Beach, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.89 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.64 μg/m³
0
55
155
255
425
605+
38.45 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
4.46 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Seal Beach, California
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AQI 49
Good
8.78μg/m³
PM2.5
27.13μg/m³
PM10
38.78ppb
O3
0.36ppb
SO2
3.73ppb
NO2
0.16ppm
CO
AQI 49
Good
9.03μg/m³
PM2.5
28.55μg/m³
PM10
36.05ppb
O3
0.38ppb
SO2
9.04ppb
NO2
0.19ppm
CO
AQI 49
Good
8.90μg/m³
PM2.5
22.91μg/m³
PM10
40.30ppb
O3
0.32ppb
SO2
2.51ppb
NO2
0.14ppm
CO
AQI 49
Good
8.98μg/m³
PM2.5
21.31μg/m³
PM10
40.88ppb
O3
0.30ppb
SO2
2.33ppb
NO2
0.15ppm
CO
AQI 49
Good
8.70μg/m³
PM2.5
32.40μg/m³
PM10
37.93ppb
O3
0.39ppb
SO2
3.70ppb
NO2
0.16ppm
CO
AQI 49
Good
9.43μg/m³
PM2.5
35.46μg/m³
PM10
37.71ppb
O3
0.38ppb
SO2
5.87ppb
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 10:00:00 on 2026-06-08.
In the last 24 hours, the best air quality in Seal Beach, California was observed at 07:00:00 on 2026-06-07.
As of now, the AQI in Seal Beach, California is 49, indicating Good 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 8.89 μg/m3.
The PM10 concentration in Seal Beach, California is 28.637 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Seal Beach, California is 0.177 ppm.
Currently, Seal Beach, California has a sulfur dioxide (SO2) concentration of 0.365 ppb.
The current ozone (O3) level in Seal Beach, California at the moment is 38.451 ppm.
Nitrogen dioxide (NO2) level in Seal Beach, California at the moment is 4.459 ppb.
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