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)
58
Moderate
Seal Beach, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.39 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.76 μg/m³
0
55
155
255
425
605+
15.69 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
26.14 ppb
0
54
101
361
1250
2050+
0.59 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Seal Beach, California
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AQI 38
Good
6.58μg/m³
PM2.5
21.67μg/m³
PM10
28.51ppb
O3
0.73ppb
SO2
18.24ppb
NO2
0.49ppm
CO
AQI 52
Moderate
10.39μg/m³
PM2.5
30.43μg/m³
PM10
26.14ppb
O3
0.77ppb
SO2
22.58ppb
NO2
0.65ppm
CO
AQI 33
Good
6.10μg/m³
PM2.5
17.95μg/m³
PM10
29.89ppb
O3
0.71ppb
SO2
12.86ppb
NO2
0.50ppm
CO
AQI 33
Good
5.94μg/m³
PM2.5
15.66μg/m³
PM10
30.75ppb
O3
0.70ppb
SO2
9.74ppb
NO2
0.52ppm
CO
AQI 38
Good
7.07μg/m³
PM2.5
23.53μg/m³
PM10
27.97ppb
O3
0.75ppb
SO2
20.88ppb
NO2
0.50ppm
CO
AQI 54
Moderate
11.14μg/m³
PM2.5
32.63μg/m³
PM10
26.98ppb
O3
0.86ppb
SO2
24.91ppb
NO2
0.76ppm
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 08:00:00 on 2026-03-16.
In the last 24 hours, the best air quality in Seal Beach, California was observed at 03:00:00 on 2026-03-17.
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 7.962 μg/m3.
The PM10 concentration in Seal Beach, California is 24.495 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Seal Beach, California is 0.605 ppm.
Currently, Seal Beach, California has a sulfur dioxide (SO2) concentration of 0.776 ppb.
The current ozone (O3) level in Seal Beach, California at the moment is 28.282 ppm.
Nitrogen dioxide (NO2) level in Seal Beach, California at the moment is 20.128 ppb.
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