Stay updated with real-time air quality in Milpitas, 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)
33
Good
Milpitas, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.12 μg/m³
0
55
155
255
425
605+
16.72 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
4.84 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Milpitas, California
Milpitas, California
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AQI 27
Good
4.98μg/m³
PM2.5
21.82μg/m³
PM10
25.93ppb
O3
0.67ppb
SO2
5.20ppb
NO2
0.18ppm
CO
AQI 33
Good
6.40μg/m³
PM2.5
27.97μg/m³
PM10
25.73ppb
O3
0.66ppb
SO2
3.10ppb
NO2
0.14ppm
CO
AQI 38
Good
7.31μg/m³
PM2.5
31.86μg/m³
PM10
25.98ppb
O3
0.67ppb
SO2
3.10ppb
NO2
0.13ppm
CO
AQI 21
Good
2.22μg/m³
PM2.5
4.70μg/m³
PM10
23.15ppb
O3
0.63ppb
SO2
3.38ppb
NO2
0.21ppm
CO
AQI 21
Good
2.73μg/m³
PM2.5
12.04μg/m³
PM10
22.60ppb
O3
0.62ppb
SO2
2.88ppb
NO2
0.28ppm
CO
AQI 19
Good
2.95μg/m³
PM2.5
12.80μg/m³
PM10
21.38ppb
O3
0.63ppb
SO2
2.62ppb
NO2
0.25ppm
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 Milpitas, California are available every hour.
Milpitas, California experienced its worst air quality at 11:00:00, 2025-07-26.
The best air quality in Milpitas, California was observed at 02:00:00 on 2025-07-26.
The air quality in Milpitas, California right now is Good, with an AQI of 33.
In Milpitas, California, PM2.5 is the most frequently found pollutant.
When air quality in Milpitas, California is compromised, staying indoors and wearing a mask can reduce health risks.
Milpitas, California currently has a PM2.5 concentration of 5.984 μg/m3.
Milpitas, California currently has a PM10 concentration of 26.156 μg/m3.
The current carbon monoxide (CO) level in Milpitas, California is 0.165 ppm.
The current sulfur dioxide (SO2) concentration in Milpitas, California is 0.663 ppb.
Milpitas, California currently has an ozone (O3) concentration of 25.548 ppm.
The current level of nitrogen dioxide (NO2) in Milpitas, California is 3.726 ppb.
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