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)
44
Good
Mountain House, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
7.65 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
31.16 μg/m³
0
55
155
255
425
605+
34.82 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
6.61 ppb
0
54
101
361
1250
2050+
0.26 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 34
Good
6.29μg/m³
PM2.5
28.82μg/m³
PM10
36.75ppb
O3
0.61ppb
SO2
6.75ppb
NO2
0.27ppm
CO
AQI 54
Moderate
10.98μg/m³
PM2.5
46.34μg/m³
PM10
35.38ppb
O3
0.59ppb
SO2
2.67ppb
NO2
0.24ppm
CO
AQI 52
Moderate
9.90μg/m³
PM2.5
35.59μg/m³
PM10
33.32ppb
O3
0.59ppb
SO2
2.85ppb
NO2
0.22ppm
CO
AQI 49
Good
9.20μg/m³
PM2.5
40.99μg/m³
PM10
33.08ppb
O3
0.59ppb
SO2
5.10ppb
NO2
0.30ppm
CO
AQI 54
Moderate
11.41μg/m³
PM2.5
34.18μg/m³
PM10
25.02ppb
O3
0.61ppb
SO2
11.21ppb
NO2
0.25ppm
CO
AQI 49
Good
8.99μg/m³
PM2.5
28.24μg/m³
PM10
35.38ppb
O3
0.61ppb
SO2
11.51ppb
NO2
0.25ppm
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 03:00:00 on 2025-10-22.
The best air quality in Mountain House, California was recorded at 01:00:00 on 2025-10-21.
The real-time air quality index in Mountain House, California is 44, 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 7.648 μg/m3.
The current PM10 levels in Mountain House, California are 31.162 μg/m3.
The current carbon monoxide (CO) level in Mountain House, California is 0.263 ppm.
The current sulfur dioxide (SO2) levels in Mountain House, California are 0.606 ppb.
The current ozone (O3) levels at Mountain House, California is 34.82 ppm.
The current nitrogen dioxide (NO2) levels at Mountain House, California is 6.606 ppb.
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