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)
73
Moderate
Seal Beach, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
20.66 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
53.27 μg/m³
0
55
155
255
425
605+
3.58 ppb
0
55
71
86
201
201+
0.72 ppb
0
36
76
186
605
1005+
19.21 ppb
0
54
101
361
1250
2050+
1.42 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Seal Beach, California
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AQI 67
Moderate
17.56μg/m³
PM2.5
58.28μg/m³
PM10
3.99ppb
O3
0.72ppb
SO2
18.25ppb
NO2
1.54ppm
CO
AQI 79
Moderate
23.69μg/m³
PM2.5
47.71μg/m³
PM10
4.51ppb
O3
0.67ppb
SO2
20.61ppb
NO2
1.30ppm
CO
AQI 66
Moderate
16.56μg/m³
PM2.5
41.63μg/m³
PM10
3.46ppb
O3
0.77ppb
SO2
16.71ppb
NO2
1.48ppm
CO
AQI 64
Moderate
15.61μg/m³
PM2.5
28.80μg/m³
PM10
3.10ppb
O3
0.79ppb
SO2
15.47ppb
NO2
1.43ppm
CO
AQI 71
Moderate
20.39μg/m³
PM2.5
62.89μg/m³
PM10
3.92ppb
O3
0.71ppb
SO2
19.01ppb
NO2
1.49ppm
CO
AQI 77
Moderate
23.05μg/m³
PM2.5
51.09μg/m³
PM10
3.45ppb
O3
0.69ppb
SO2
19.20ppb
NO2
1.32ppm
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 06:00:00 on 2026-01-22.
In the last 24 hours, the best air quality in Seal Beach, California was observed at 04:00:00 on 2026-01-23.
As of now, the AQI in Seal Beach, California is 73, 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 20.656 μg/m3.
The PM10 concentration in Seal Beach, California is 53.272 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Seal Beach, California is 1.415 ppm.
Currently, Seal Beach, California has a sulfur dioxide (SO2) concentration of 0.725 ppb.
The current ozone (O3) level in Seal Beach, California at the moment is 3.575 ppm.
Nitrogen dioxide (NO2) level in Seal Beach, California at the moment is 19.21 ppb.
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