Air Quality in San Leandro, United States

Clear
26.5°C · 31.9% humidity
26.5°
Feels 26.5°
96
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast
54 1pm
54
54
96 4pm
84
76
69 7pm
65
62
60 10pm
58
57
56 1am
55
55
55 4am
55
54
54 7am
54
54
34 10am
34
34
AD 728×90

Air Quality Index Trend

46h · 104 stn

San Leandro's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in San Leandro is 2.2× the WHO 24-hour guideline of 15 µg/m³.

31.9%
Humidity
28.1 km/h
Wind SW
1010.6 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
96
33.6 µg/m³
PM10
69
91.15 µg/m³
050100150200300500

What is the weather forecast for San Leandro?

Temperature & Precipitation

PM2.5 Trend

46h · 104 stations
PM2.533.6 µg/m³ ×2.2 WHO
Moderate
PM1091.15 µg/m³
Moderate
UV INDEX17.4
Extreme
AD 300×250

What is the 7-day forecast for San Leandro?

08-03
29.2° 12.9°
08-04
24.2° 12.9°
08-05
32.3° 11.6°
08-06
30.4° 11.9°
08-07
26.7° 14.0°
08-08
28.9° 13.8°
08-09
33.0° 11.9°
Both models agree Avg diff: 4.0°C

Where are air quality stations near San Leandro?

37
Madison Park Academy HS
1.9 km PM2.5: 8.8 µg/m³
40
Esperanza ES
2.1 km PM2.5: 9.6 µg/m³
42
Lifers 105th
2.3 km PM2.5: 10.1 µg/m³
26
Oakland - East, Alameda, California
2.4 km PM2.5: 6.2 µg/m³
28
Elmhurst United MS
2.5 km PM2.5: 6.7 µg/m³
47
Lifers 98th
2.6 km PM2.5: 11.3 µg/m³
40
Brookfield ES
3.2 km PM2.5: 9.5 µg/m³
37
Highland Community ES
3.6 km PM2.5: 8.9 µg/m³
37
Castlemont High School
3.8 km PM2.5: 8.9 µg/m³
48
Grass Valley ES
4.1 km PM2.5: 11.4 µg/m³

What cities are near San Leandro?

69 San Lorenzo 68 Castro Valley 68 Hayward 4 Alameda 96 Moraga 4 Oakland 68 San Ramon 96 Orinda 4 Berkeley 4 Bayview-Hunters Point
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:58 UTC.