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
AD 728×90

PM2.5 Trend (24h)

27h · 2 stations
56.2%
Humidity
82.6 km/h
Wind WSW
1011.6 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.59.58 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
9.58
Median
9.55
Average
9.12
Low
9.92
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -3.7
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°

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.