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)
60
Moderate
Mountain House, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.69 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.14 μg/m³
0
55
155
255
425
605+
11.98 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
4.32 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Mountain House, California
Mountain House, California
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AQI 54
Moderate
11.32μg/m³
PM2.5
18.92μg/m³
PM10
11.87ppb
O3
0.39ppb
SO2
3.62ppb
NO2
0.34ppm
CO
AQI 79
Moderate
24.06μg/m³
PM2.5
59.21μg/m³
PM10
10.78ppb
O3
0.40ppb
SO2
6.28ppb
NO2
0.32ppm
CO
AQI 82
Moderate
26.14μg/m³
PM2.5
102.60μg/m³
PM10
12.03ppb
O3
0.39ppb
SO2
6.01ppb
NO2
0.30ppm
CO
AQI 33
Good
5.58μg/m³
PM2.5
24.30μg/m³
PM10
12.98ppb
O3
0.40ppb
SO2
4.45ppb
NO2
0.33ppm
CO
AQI 81
Moderate
25.04μg/m³
PM2.5
31.22μg/m³
PM10
9.41ppb
O3
0.39ppb
SO2
3.13ppb
NO2
0.33ppm
CO
AQI 82
Moderate
25.59μg/m³
PM2.5
61.56μg/m³
PM10
9.77ppb
O3
0.39ppb
SO2
3.02ppb
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 Mountain House, California is updated on an hourly basis.
The worst air quality in Mountain House, California was recorded at 01:00:00 on 2025-12-07.
The best air quality in Mountain House, California was recorded at 10:00:00 on 2025-12-07.
The real-time air quality index in Mountain House, California is 60, currently categorized as Moderate.
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 13.687 μg/m3.
The current PM10 levels in Mountain House, California are 34.137 μg/m3.
The current carbon monoxide (CO) level in Mountain House, California is 0.332 ppm.
The current sulfur dioxide (SO2) levels in Mountain House, California are 0.391 ppb.
The current ozone (O3) levels at Mountain House, California is 11.98 ppm.
The current nitrogen dioxide (NO2) levels at Mountain House, California is 4.317 ppb.
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