Stay updated with real-time air quality in Laguna Niguel, 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)
52
Moderate
Laguna Niguel, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
31.36 μg/m³
0
55
155
255
425
605+
37.19 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
3.94 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Laguna Niguel, California
Laguna Niguel, California
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AQI 52
Moderate
9.67μg/m³
PM2.5
22.34μg/m³
PM10
40.69ppb
O3
0.41ppb
SO2
4.12ppb
NO2
0.23ppm
CO
AQI 52
Moderate
9.99μg/m³
PM2.5
33.30μg/m³
PM10
37.74ppb
O3
0.43ppb
SO2
3.87ppb
NO2
0.22ppm
CO
AQI 52
Moderate
10.03μg/m³
PM2.5
44.25μg/m³
PM10
38.27ppb
O3
0.43ppb
SO2
3.93ppb
NO2
0.22ppm
CO
AQI 52
Moderate
9.88μg/m³
PM2.5
36.02μg/m³
PM10
37.53ppb
O3
0.42ppb
SO2
4.13ppb
NO2
0.22ppm
CO
AQI 52
Moderate
9.72μg/m³
PM2.5
23.01μg/m³
PM10
40.41ppb
O3
0.41ppb
SO2
4.10ppb
NO2
0.23ppm
CO
AQI 52
Moderate
9.63μg/m³
PM2.5
21.13μg/m³
PM10
40.85ppb
O3
0.41ppb
SO2
4.03ppb
NO2
0.23ppm
CO
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Laguna Niguel, California is updated on an hourly basis.
The worst air quality in Laguna Niguel, California was recorded at 07:00:00 on 2026-06-08.
The best air quality in Laguna Niguel, California was recorded at 02:00:00 on 2026-06-08.
The real-time air quality index in Laguna Niguel, California is 52, currently categorized as Moderate.
The most common pollutant in Laguna Niguel, California is PM2.5.
If the air quality in Laguna Niguel, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Laguna Niguel, California at present are 9.74 μg/m3.
The current PM10 levels in Laguna Niguel, California are 31.361 μg/m3.
The current carbon monoxide (CO) level in Laguna Niguel, California is 0.218 ppm.
The current sulfur dioxide (SO2) levels in Laguna Niguel, California are 0.428 ppb.
The current ozone (O3) levels at Laguna Niguel, California is 37.192 ppm.
The current nitrogen dioxide (NO2) levels at Laguna Niguel, California is 3.939 ppb.
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