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)
44
Good
Seal Beach, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.35 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.86 μg/m³
0
55
155
255
425
605+
30.69 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
12.58 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Seal Beach, California
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AQI 33
Good
6.06μg/m³
PM2.5
19.89μg/m³
PM10
35.04ppb
O3
0.45ppb
SO2
10.99ppb
NO2
0.29ppm
CO
AQI 34
Good
5.44μg/m³
PM2.5
16.37μg/m³
PM10
36.98ppb
O3
0.50ppb
SO2
11.54ppb
NO2
0.38ppm
CO
AQI 33
Good
6.11μg/m³
PM2.5
16.95μg/m³
PM10
35.72ppb
O3
0.42ppb
SO2
8.63ppb
NO2
0.28ppm
CO
AQI 33
Good
6.17μg/m³
PM2.5
15.37μg/m³
PM10
35.97ppb
O3
0.40ppb
SO2
6.73ppb
NO2
0.29ppm
CO
AQI 33
Good
6.11μg/m³
PM2.5
21.51μg/m³
PM10
34.59ppb
O3
0.47ppb
SO2
11.57ppb
NO2
0.31ppm
CO
AQI 33
Good
5.71μg/m³
PM2.5
17.67μg/m³
PM10
35.17ppb
O3
0.53ppb
SO2
13.12ppb
NO2
0.49ppm
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 04:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in Seal Beach, California was observed at 01:00:00 on 2026-03-09.
As of now, the AQI in Seal Beach, California is 44, 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 8.354 μg/m3.
The PM10 concentration in Seal Beach, California is 21.864 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Seal Beach, California is 0.377 ppm.
Currently, Seal Beach, California has a sulfur dioxide (SO2) concentration of 0.57 ppb.
The current ozone (O3) level in Seal Beach, California at the moment is 30.69 ppm.
Nitrogen dioxide (NO2) level in Seal Beach, California at the moment is 12.583 ppb.
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