Smythe Avenue Air Quality
Monitoring Station
· Imperial Beach, United States
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
40
10pm
44
44
44
1am
44
44
44
4am
44
44
44
7am
44
44
44
10am
44
—
—
1pm
—
—
—
4pm
—
—
—
7pm
—
—
CAMS model
adj -10
54
54
54
54
54
54
54
54
54
54
54
54
54
54
Air Quality Forecast (24h)
PM2.59.7 µg/m³
✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T01:03 UTC.