Stay updated with real-time air quality in Mountain House, 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)
38
Good
Mountain House, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.92 μg/m³
0
55
155
255
425
605+
33.12 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
2.97 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Mountain House, California
Mountain House, California
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AQI 32
Good
4.29μg/m³
PM2.5
13.21μg/m³
PM10
34.87ppb
O3
0.39ppb
SO2
0.90ppb
NO2
0.22ppm
CO
AQI 33
Good
5.82μg/m³
PM2.5
20.97μg/m³
PM10
34.37ppb
O3
0.38ppb
SO2
1.63ppb
NO2
0.22ppm
CO
AQI 34
Good
6.06μg/m³
PM2.5
19.07μg/m³
PM10
36.53ppb
O3
0.37ppb
SO2
1.66ppb
NO2
0.23ppm
CO
AQI 38
Good
7.17μg/m³
PM2.5
31.85μg/m³
PM10
36.01ppb
O3
0.37ppb
SO2
1.20ppb
NO2
0.22ppm
CO
AQI 44
Good
7.57μg/m³
PM2.5
18.46μg/m³
PM10
15.58ppb
O3
0.40ppb
SO2
1.65ppb
NO2
0.20ppm
CO
AQI 44
Good
8.20μg/m³
PM2.5
19.39μg/m³
PM10
19.26ppb
O3
0.39ppb
SO2
1.52ppb
NO2
0.20ppm
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 Mountain House, California is updated on an hourly basis.
The worst air quality in Mountain House, California was recorded at 12:00:00 on 2026-04-25.
The best air quality in Mountain House, California was recorded at 03:00:00 on 2026-04-24.
The real-time air quality index in Mountain House, California is 38, currently categorized as Good.
The most common pollutant in Mountain House, California is PM2.5.
If the air quality in Mountain House, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Mountain House, California at present are 6.574 μg/m3.
The current PM10 levels in Mountain House, California are 18.416 μg/m3.
The current carbon monoxide (CO) level in Mountain House, California is 0.211 ppm.
The current sulfur dioxide (SO2) levels in Mountain House, California are 0.558 ppb.
The current ozone (O3) levels at Mountain House, California is 34.798 ppm.
The current nitrogen dioxide (NO2) levels at Mountain House, California is 2.245 ppb.
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