Air Quality in Tustin, United States

Windy
24.9°C · 45.2% humidity
24.9°
Feels 24.9°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
54 11am
54
54
16 2pm
7
14
20 5pm
17
27
29 8pm
30
31
32 11pm
33
33
33 2am
34
34
34 5am
54
54
54 8am
54
54
AD 728×90

Air Quality Index Trend

48h · 2 stn

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

45.2%
Humidity
52.3 km/h
Wind SW
1011.9 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
16
3.92 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Tustin?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.53.92 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (5 stations within 25 km)
3.92
Median
3.79
Average
3.02
Low
4.17
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +6.1

What is the 7-day forecast for Tustin?

05-28
22.4° 16.7°
05-29
24.9° 17.8°
05-30
20.5° 16.6°
05-31
23.2° 18.6°
06-01
23.1° 18.2°
06-02
24.1° 16.0°
06-03
22.8° 16.3°
Both models agree Avg diff: 1.8°C

Where are air quality stations near Tustin?

18
Villa Intermediate
2.1 km PM2.5: 4.2 µg/m³
17
Century High School
2.8 km PM2.5: 4.1 µg/m³
16
Kennedy Elementary
2.9 km PM2.5: 3.8 µg/m³
12
Davis Elementary
3.7 km PM2.5: 3.0 µg/m³
16
Monroe Elementary
4.9 km PM2.5: 3.9 µg/m³

What cities are near Tustin?

16 North Tustin 15 Santa Ana 16 Tustin Legacy 16 Westpark 16 Northwood 16 El Camino Real 16 Woodbridge 16 Irvine 16 Stonegate 15 Garden Grove
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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 2026-05-28T21:46 UTC.