Air Quality in Tracy, United States

Windy
27.3°C · 30.3% humidity
27.3°
Feels 27.3°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
24 11am
24
25
21 2pm
25
25
25 5pm
27
27
34 8pm
34
34
34 11pm
34
34
54 2am
54
54
34 5am
34
34
34 8am
34
27
AD 728×90

Air Quality Index Trend

46h · 9 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. Current PM2.5 concentration in Tracy is 1.0× the WHO annual guideline of 5 µg/m³.

30.3%
Humidity
107.9 km/h
Wind WNW
1014.7 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
21
5.02 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Tracy?

Temperature & Precipitation

PM2.5 Trend

46h · 9 stations
PM2.55.02 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (3 stations within 25 km)
5.02
Median
5.32
Average
4.96
Low
5.5
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.2

What is the 7-day forecast for Tracy?

05-28
26.7° 10.4°
05-29
28.3° 12.8°
05-30
27.1° 15.3°
05-31
36.3° 22.6°
06-01
36.7° 16.6°
06-02
29.9° 14.2°
06-03
34.8° 9.1°
Both models agree Avg diff: 5.3°C

Where are air quality stations near Tracy?

21
Berkeley-Tracy
2.1 km PM2.5: 5.0 µg/m³
59
Tracy - Airport, San Joaquin, California
6.5 km PM2.5: 15.9 µg/m³
72
Tracy - Airport, San Joaquin, California
6.5 km PM2.5: 22.1 µg/m³
74
Manteca AMS, San Joaquin, California
16.8 km PM2.5: 23.0 µg/m³
16
Berkeley-Stockton1
27.1 km PM2.5: 3.9 µg/m³
20
Stockton
27.5 km PM2.5: 4.7 µg/m³
13
Berkeley-Stockton2
27.8 km PM2.5: 3.1 µg/m³

What cities are near Tracy?

21 Lathrop 22 Manteca 21 Ripon 19 Stockton 14 Livermore 23 Oakley 25 Modesto 25 Patterson 15 Pleasanton 25 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 2026-05-28T21:45 UTC.