Monroe Elementary
Monitoring Station
· Santa Ana, United States
39
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
39
3pm
39
39
45
6pm
45
45
45
9pm
45
45
32
12am
32
20
20
3am
20
20
—
6am
—
—
—
9am
—
—
—
12pm
—
—
Station readings
39
39
39
CAMS model
adj -5
50
50
50
50
50
50
50
50
50
37
37
25
25
25
25
Air Quality Trend (24h)
PM2.59.4 µg/m³
✓ WHO
Good
Nearby Monitoring Stations
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T18:38 UTC.