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 6pm
40
42
42 9pm
42
42
29 12am
29
17
17 3am
17
17
17 6am
17
—
— 9am
—
—
— 12pm
—
—
— 3pm
—
—
Station readings
40
40
CAMS model adj -8
50
50
50
50
50
50
37
37
25
25
25
25
25
25

Air Quality Trend (24h)

PM2.59.7 µg/m³ ✓ WHO
Good

Nearby Monitoring Stations

40
Kennedy Elementary
0.5 km PM2.5: 9.7 µg/m³
42
Villa Intermediate
1.5 km PM2.5: 10.0 µg/m³
39
Monroe Elementary
2.2 km PM2.5: 9.3 µg/m³
38
Davis Elementary
3.3 km PM2.5: 9.0 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 2026-04-09T21:08 UTC.