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
6pm
39
41
41
9pm
41
41
28
12am
28
16
16
3am
16
16
16
6am
16
—
—
9am
—
—
—
12pm
—
—
—
3pm
—
—
Station readings
39
39
CAMS model
adj -9
50
50
50
50
50
50
37
37
25
25
25
25
25
25
Air Quality Trend (24h)
PM2.59.3 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 2026-04-09T21:09 UTC.