Air Quality in Milpitas, United States

Clear
24.9°C · 36.1% humidity
24.9°
Feels 24.9°
69
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast
54 1pm
54
54
69 4pm
65
62
60 7pm
58
57
56 10pm
55
55
55 1am
55
54
54 4am
54
54
54 7am
54
54
34 10am
34
34
AD 728×90

Air Quality Index Trend

46h · 107 stn

Milpitas's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Milpitas is 1.4× the WHO 24-hour guideline of 15 µg/m³.

36.1%
Humidity
20.6 km/h
Wind WNW
1010.9 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
69
20.75 µg/m³
PM10
56
66.15 µg/m³
050100150200300500

What is the weather forecast for Milpitas?

Temperature & Precipitation

PM2.5 Trend

46h · 107 stations
PM2.520.75 µg/m³ ×1.4 WHO
Moderate
PM1066.15 µg/m³
Moderate
UV INDEX17.4
Extreme
AD 300×250

What is the 7-day forecast for Milpitas?

08-03
28.5° 15.9°
08-04
28.0° 18.9°
08-05
28.2° 15.2°
08-06
29.4° 16.2°
08-07
25.6° 19.1°
08-08
28.2° 15.9°
08-09
29.5° 16.1°
Both models agree Avg diff: 1.9°C

Where are air quality stations near Milpitas?

59
San Jose - Jackson St, Santa Clara, California
8.9 km PM2.5: 15.9 µg/m³
55
San Jose - Jackson St, Santa Clara, California
8.9 km PM2.5: 14.0 µg/m³
48
Cristo Rey Jesuit High School
9.5 km PM2.5: 11.4 µg/m³
53
San Jose-Knox Avenue, Santa Clara, California
11.2 km PM2.5: 13.1 µg/m³
57
San Jose-Knox Avenue, Santa Clara, California
11.2 km PM2.5: 15.0 µg/m³
38
San Jose-Knox Avenue, Santa Clara, California
11.2 km PM2.5: 9.1 µg/m³
37
Cupertino City Hall
16.3 km PM2.5: 8.9 µg/m³
35
Acterra!
17.4 km PM2.5: 8.4 µg/m³
53
JFK Middle School
18.2 km PM2.5: 13.1 µg/m³
39
N Foothhill Blvd
18.5 km PM2.5: 9.3 µg/m³

What cities are near Milpitas?

64 Santa Clara 63 Alum Rock 63 San Jose 64 Sunnyvale 64 Cupertino 63 Campbell 64 Mountain View 63 Los Altos 68 Palo Alto 63 Saratoga
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:56 UTC.