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
6.49 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.46 μg/m³
0
55
155
255
425
605+
23.39 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
6.13 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Milpitas, California
Milpitas, California
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AQI 33
Good
5.61μg/m³
PM2.5
24.32μg/m³
PM10
23.80ppb
O3
0.42ppb
SO2
8.75ppb
NO2
0.28ppm
CO
AQI 38
Good
6.83μg/m³
PM2.5
30.12μg/m³
PM10
22.91ppb
O3
0.42ppb
SO2
5.36ppb
NO2
0.23ppm
CO
AQI 38
Good
7.12μg/m³
PM2.5
31.36μg/m³
PM10
23.93ppb
O3
0.42ppb
SO2
5.85ppb
NO2
0.23ppm
CO
AQI 33
Good
6.10μg/m³
PM2.5
26.99μg/m³
PM10
19.31ppb
O3
0.40ppb
SO2
5.17ppb
NO2
0.28ppm
CO
AQI 27
Good
5.00μg/m³
PM2.5
21.78μg/m³
PM10
21.54ppb
O3
0.40ppb
SO2
2.77ppb
NO2
0.29ppm
CO
AQI 33
Good
6.17μg/m³
PM2.5
21.55μg/m³
PM10
20.71ppb
O3
0.40ppb
SO2
2.66ppb
NO2
0.29ppm
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 06:00:00, 2026-07-28.
The best air quality in Milpitas, California was observed at 06:00:00 on 2026-07-27.
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 6.486 μg/m3.
Milpitas, California currently has a PM10 concentration of 28.465 μg/m3.
The current carbon monoxide (CO) level in Milpitas, California is 0.245 ppm.
The current sulfur dioxide (SO2) concentration in Milpitas, California is 0.421 ppb.
Milpitas, California currently has an ozone (O3) concentration of 23.387 ppm.
The current level of nitrogen dioxide (NO2) in Milpitas, California is 6.127 ppb.
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