Air Quality in Tustin, United States
Windy
19.1°C · 56.2% humidity
19.1°
Feels 19.1°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
50
6pm
49
25
46
9pm
46
46
33
12am
33
21
21
3am
21
21
21
6am
21
21
21
9am
21
21
21
12pm
33
21
21
3pm
21
21
Station readings
50
49
25
CAMS model
adj -4
50
50
50
50
50
50
37
37
25
25
25
25
25
25
25
25
25
25
25
37
25
25
25
25
PM2.5 Trend (24h)
27h · 2 stations56.2%
Humidity
82.6 km/h
Wind WSW
1011.6 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Tustin?
Temperature & Precipitation
PM2.59.58 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
Station readings (5 stations within 25 km)
9.58
Median
9.55
Average
9.12
Low
9.92
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -3.7
What is the 7-day forecast for Tustin?
04-09
20.8° 16.9°
04-10
19.1° 15.9°
13.62 mm
04-11
18.2° 15.0°
15.12 mm
04-12
17.3° 13.6°
0.31 mm
04-13
17.4° 13.8°
0.06 mm
04-14
20.9° 15.4°
04-15
22.0° 17.9°
Both models agree
Avg diff: 1.7°C
Where are air quality stations near Tustin?
42
Villa Intermediate
40
Century High School
40
Kennedy Elementary
38
Davis Elementary
39
Monroe Elementary
What cities are near Tustin?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T21:13 UTC.