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)
56
Moderate
Milpitas, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
11.92 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
55.82 μg/m³
0
55
155
255
425
605+
30.62 ppb
0
55
71
86
201
201+
0.78 ppb
0
36
76
186
605
1005+
4.93 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Milpitas, California
Milpitas, California
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AQI 56
Moderate
12.22μg/m³
PM2.5
56.81μg/m³
PM10
31.00ppb
O3
0.78ppb
SO2
4.75ppb
NO2
0.22ppm
CO
AQI 56
Moderate
11.84μg/m³
PM2.5
56.24μg/m³
PM10
30.72ppb
O3
0.78ppb
SO2
4.33ppb
NO2
0.21ppm
CO
AQI 58
Moderate
13.00μg/m³
PM2.5
58.79μg/m³
PM10
31.90ppb
O3
0.79ppb
SO2
4.67ppb
NO2
0.20ppm
CO
AQI 52
Moderate
10.47μg/m³
PM2.5
51.25μg/m³
PM10
30.06ppb
O3
0.78ppb
SO2
3.51ppb
NO2
0.28ppm
CO
AQI 52
Moderate
10.18μg/m³
PM2.5
50.63μg/m³
PM10
27.74ppb
O3
0.71ppb
SO2
5.36ppb
NO2
0.30ppm
CO
AQI 54
Moderate
11.43μg/m³
PM2.5
54.05μg/m³
PM10
28.65ppb
O3
0.73ppb
SO2
4.88ppb
NO2
0.30ppm
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, 2025-06-04.
The best air quality in Milpitas, California was observed at 07:00:00 on 2025-06-05.
The air quality in Milpitas, California right now is Moderate, with an AQI of 56.
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 11.922 μg/m3.
Milpitas, California currently has a PM10 concentration of 55.822 μg/m3.
The current carbon monoxide (CO) level in Milpitas, California is 0.233 ppm.
The current sulfur dioxide (SO2) concentration in Milpitas, California is 0.775 ppb.
Milpitas, California currently has an ozone (O3) concentration of 30.62 ppm.
The current level of nitrogen dioxide (NO2) in Milpitas, California is 4.929 ppb.
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