Stay updated with real-time air quality in Ladera Ranch, 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)
40
Good
Ladera Ranch, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.05 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
5.76 μg/m³
0
55
155
255
425
605+
42.60 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
4.86 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Ladera Ranch, California
Ladera Ranch, California
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AQI 40
Good
1.61μg/m³
PM2.5
8.80μg/m³
PM10
42.85ppb
O3
0.29ppb
SO2
5.64ppb
NO2
0.28ppm
CO
AQI 40
Good
1.41μg/m³
PM2.5
8.98μg/m³
PM10
42.98ppb
O3
0.29ppb
SO2
6.17ppb
NO2
0.27ppm
CO
AQI 35
Good
1.86μg/m³
PM2.5
9.47μg/m³
PM10
38.19ppb
O3
0.29ppb
SO2
5.17ppb
NO2
0.26ppm
CO
AQI 40
Good
1.54μg/m³
PM2.5
8.63μg/m³
PM10
42.78ppb
O3
0.29ppb
SO2
5.78ppb
NO2
0.27ppm
CO
AQI 40
Good
1.43μg/m³
PM2.5
8.98μg/m³
PM10
42.92ppb
O3
0.29ppb
SO2
6.07ppb
NO2
0.27ppm
CO
AQI 35
Good
1.71μg/m³
PM2.5
9.50μg/m³
PM10
37.86ppb
O3
0.29ppb
SO2
6.00ppb
NO2
0.26ppm
CO
The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Ladera Ranch, California are available every hour.
Ladera Ranch, California experienced its worst air quality at 04:00:00, 2026-10-22.
The best air quality in Ladera Ranch, California was observed at 11:00:00 on 2026-10-22.
The air quality in Ladera Ranch, California right now is Good, with an AQI of 40.
In Ladera Ranch, California, O3 is the most frequently found pollutant.
When air quality in Ladera Ranch, California is compromised, staying indoors and wearing a mask can reduce health risks.
Ladera Ranch, California currently has a PM2.5 concentration of 1.052 μg/m3.
Ladera Ranch, California currently has a PM10 concentration of 5.765 μg/m3.
The current carbon monoxide (CO) level in Ladera Ranch, California is 0.313 ppm.
The current sulfur dioxide (SO2) concentration in Ladera Ranch, California is 0.292 ppb.
Ladera Ranch, California currently has an ozone (O3) concentration of 42.597 ppm.
The current level of nitrogen dioxide (NO2) in Ladera Ranch, California is 4.862 ppb.
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