Century High School

Monitoring Station · Santa Ana, United States
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
40 3pm
40
40
46 6pm
46
46
46 9pm
46
46
33 12am
33
21
21 3am
21
21
— 6am
—
—
— 9am
—
—
— 12pm
—
—
Station readings
40
40
40
CAMS model adj -4
50
50
50
50
50
50
50
50
50
37
37
25
25
25
25

Air Quality Trend (24h)

PM2.59.5 µg/m³ ✓ WHO
Good

Nearby Monitoring Stations

42
Kennedy Elementary
0.5 km PM2.5: 10.1 µg/m³
42
Villa Intermediate
1.5 km PM2.5: 10.1 µg/m³
39
Monroe Elementary
2.2 km PM2.5: 9.4 µg/m³
38
Davis Elementary
3.3 km PM2.5: 9.2 µg/m³

Nearby Cities

40 Santa Ana 40 Tustin 40 Tustin Legacy 40 Westpark 40 North Tustin 40 Irvine 40 El Camino Real 40 Woodbridge 40 Northwood

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T18:38 UTC.