What is the air quality in Modesto today?

The current Air Quality Index (AQI) in Modesto is 40 (Good). PM2.5 concentration is 9.6 µg/m³.

What is the temperature in Modesto right now?

The current temperature in Modesto is 26.0°C (feels like 26.0°C). Humidity is 20.8% and wind speed is 35.9 km/h.

Is it safe to go outside in Modesto?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Modesto, United States

Clear

26.0°C · 20.8% humidity

26.0°

Feels 26.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 11 stn

View full history →

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.

20.8%

Humidity

35.9 km/h

Wind NW

1017.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.6 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Modesto?

Temperature & Precipitation

PM2.5 Trend

45h · 11 stations

PM2.59.6 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

9.6

Median

9.6

Average

9.6

Low

9.6

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -3.8

What is the 7-day forecast for Modesto?

10-20

32.4° 16.5°

10-21

30.2° 14.2°

10-22

30.0° 13.6°

10-23

25.8° 15.9°

10-24

24.7° 15.2°

10-25

23.2° 11.6°

0.06 mm

10-26

25.6° 15.0°

Both models agree Avg diff: 4.6°C

Where are air quality stations near Modesto?

Modesto-14th Street, Stanislaus, California

0.4 km PM2.5: 6.7 µg/m³

Turlock-S Minaret Street, Stanislaus, California

22.0 km PM2.5: 6.2 µg/m³

What cities are near Modesto?

40 Ceres 40 Riverbank 28 Ripon 40 Oakdale 40 Turlock 40 Patterson 25 Manteca 27 Lathrop 23 Tracy 23 Stockton

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T20:05 UTC.