Air Quality in Tracy, United States

Windy
35.9°C · 10.8% humidity
35.9°
Feels 35.9°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
34 7am
27
27
22 10am
23
24
25 1pm
26
26
26 4pm
27
27
27 7pm
27
27
34 10pm
34
34
34 1am
34
34
34 4am
34
34
AD 728×90

Air Quality Index Trend

45h · 7 stn

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

10.8%
Humidity
50.3 km/h
Wind NW
1007.1 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
22
5.35 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Tracy?

Temperature & Precipitation

PM2.5 Trend

45h · 7 stations
PM2.55.35 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX7.9
Very High
AD 300×250
Station readings (2 stations within 25 km)
5.35
Median
7.19
Average
5.29
Low
9.1
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +2.0

What is the 7-day forecast for Tracy?

07-21
35.9° 17.2°
07-22
39.4° 22.1°
07-23
38.2° 24.0°
07-24
42.2° 19.3°
07-25
36.0° 20.6°
07-26
41.3° 16.2°
07-27
39.5° 19.8°
Both models agree Avg diff: 5.1°C

Where are air quality stations near Tracy?

23
Berkeley-Tracy
2.1 km PM2.5: 5.4 µg/m³
26
Tracy - Airport, San Joaquin, California
6.5 km PM2.5: 6.2 µg/m³
35
Tracy - Airport, San Joaquin, California
6.5 km PM2.5: 8.4 µg/m³
45
Manteca AMS, San Joaquin, California
16.8 km PM2.5: 10.8 µg/m³
22
Berkeley-Stockton1
27.1 km PM2.5: 5.3 µg/m³
28
Stockton
27.5 km PM2.5: 6.8 µg/m³
19
Berkeley-Stockton2
27.8 km PM2.5: 4.5 µg/m³

What cities are near Tracy?

34 Lathrop 36 Manteca 30 Ripon 28 Stockton 18 Livermore 24 Oakley 34 Modesto 45 Patterson 19 Pleasanton 34 Riverbank
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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 2026-07-21T17:11 UTC.