Markham ES Air Quality

Monitoring Station · San Leandro, United States
11
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
11 11am
11
0
0 2pm
0
0
0 5pm
0
0
0 8pm
0
0
0 11pm
0
0
2am
5am
8am
Station readings
11
11
CAMS model adj -29
34
34
27
27
27
27
27
27
27
27
27
27
27
27
27
PM2.52.7 µg/m³ ✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T14:39 UTC.