Air Quality in Modesto, United States

Windy
36.3°C · 11.1% humidity
36.3°
Feels 36.3°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
34 7am
34
34
34 10am
34
34
27 1pm
27
27
27 4pm
27
27
27 7pm
27
27
27 10pm
27
27
27 1am
34
34
34 4am
34
34
AD 728×90

Air Quality Index Trend

45h · 5 stn

Modesto's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

11.1%
Humidity
62.7 km/h
Wind NW
1006.6 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
34
8.2 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Modesto?

Temperature & Precipitation

PM2.5 Trend

45h · 5 stations
PM2.58.2 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX7.9
Very High
AD 300×250

What is the 7-day forecast for Modesto?

07-21
38.7° 17.8°
07-22
44.1° 21.0°
07-23
44.3° 24.7°
07-24
47.1° 19.6°
07-25
37.2° 21.3°
07-26
45.9° 17.3°
07-27
42.8° 21.4°
Both models agree Avg diff: 5.6°C

Where are air quality stations near Modesto?

25
Modesto-14th Street, Stanislaus, California
0.4 km PM2.5: 6.0 µg/m³
23
Modesto-14th Street, Stanislaus, California
0.4 km PM2.5: 5.5 µg/m³
40
Turlock-S Minaret Street, Stanislaus, California
22.0 km PM2.5: 9.6 µg/m³
90
Turlock-S Minaret Street, Stanislaus, California
22.0 km PM2.5: 30.6 µg/m³
45
Manteca AMS, San Joaquin, California
28.0 km PM2.5: 10.8 µg/m³

What cities are near Modesto?

34 Ceres 34 Riverbank 30 Ripon 34 Oakdale 34 Turlock 45 Patterson 36 Manteca 34 Lathrop 22 Tracy 28 Stockton
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:12 UTC.