Stay updated with real-time air quality in Lancaster, 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)
50
Good
Lancaster, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.02 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.11 μg/m³
0
55
155
255
425
605+
53.69 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
1.62 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Lancaster, California
Lancaster, California
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AQI 48
Good
5.06μg/m³
PM2.5
17.51μg/m³
PM10
52.37ppb
O3
0.62ppb
SO2
2.06ppb
NO2
0.33ppm
CO
AQI 48
Good
4.85μg/m³
PM2.5
21.52μg/m³
PM10
52.13ppb
O3
0.59ppb
SO2
11.60ppb
NO2
0.33ppm
CO
AQI 49
Good
4.07μg/m³
PM2.5
15.05μg/m³
PM10
52.83ppb
O3
0.44ppb
SO2
6.47ppb
NO2
0.32ppm
CO
AQI 46
Good
5.78μg/m³
PM2.5
21.72μg/m³
PM10
50.05ppb
O3
0.60ppb
SO2
5.58ppb
NO2
0.33ppm
CO
AQI 44
Good
4.98μg/m³
PM2.5
14.94μg/m³
PM10
46.69ppb
O3
0.60ppb
SO2
9.92ppb
NO2
0.32ppm
CO
AQI 34
Good
3.93μg/m³
PM2.5
16.19μg/m³
PM10
37.28ppb
O3
0.61ppb
SO2
12.33ppb
NO2
0.32ppm
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 Lancaster, California is updated on an hourly basis.
The worst air quality in Lancaster, California was recorded at 04:00:00 on 2026-04-24.
The best air quality in Lancaster, California was recorded at 02:00:00 on 2026-04-23.
The real-time air quality index in Lancaster, California is 50, currently categorized as Good.
The most common pollutant in Lancaster, California is O3.
If the air quality in Lancaster, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Lancaster, California at present are 5.017 μg/m3.
The current PM10 levels in Lancaster, California are 17.107 μg/m3.
The current carbon monoxide (CO) level in Lancaster, California is 0.328 ppm.
The current sulfur dioxide (SO2) levels in Lancaster, California are 0.625 ppb.
The current ozone (O3) levels at Lancaster, California is 53.687 ppm.
The current nitrogen dioxide (NO2) levels at Lancaster, California is 1.622 ppb.
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