What is the air quality in San Leandro today?

The current Air Quality Index (AQI) in San Leandro is 19 (Good). PM2.5 concentration is 4.46 µg/m³.

What is the temperature in San Leandro right now?

The current temperature in San Leandro is 24.9°C (feels like 24.9°C). Humidity is 26.2% and wind speed is 18.0 km/h.

Is it safe to go outside in San Leandro?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in San Leandro, United States

Clear

24.9°C · 26.2% humidity

24.9°

Feels 24.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

81 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 103 stn

View full history →

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.

26.2%

Humidity

18.0 km/h

Wind WSW

1018.4 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.46 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for San Leandro?

Temperature & Precipitation

PM2.5 Trend

45h · 103 stations

PM2.54.46 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (81 stations within 25 km)

4.46

Median

4.41

Average

2.76

Low

7.2

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +1.3

What is the 7-day forecast for San Leandro?

10-20

26.0° 11.4°

10-21

25.9° 12.4°

10-22

29.9° 12.7°

10-23

23.5° 13.0°

10-24

26.2° 11.7°

10-25

25.3° 12.0°

1.5 mm

10-26

25.0° 12.2°

Both models agree Avg diff: 4.9°C

Where are air quality stations near San Leandro?

Madison Park Academy HS

1.9 km PM2.5: 4.4 µg/m³

Esperanza ES

2.1 km PM2.5: 4.3 µg/m³

Oakland - East, Alameda, California

2.4 km PM2.5: 6.0 µg/m³

Elmhurst United MS

2.5 km PM2.5: 3.8 µg/m³

Reach Academy ES

2.5 km PM2.5: 3.0 µg/m³

Lifers 98th

2.6 km PM2.5: 6.4 µg/m³

Brookfield ES

3.2 km PM2.5: 4.6 µg/m³

Highland Community ES

3.6 km PM2.5: 4.2 µg/m³

Castlemont High School

3.8 km PM2.5: 3.8 µg/m³

Grass Valley ES

4.1 km PM2.5: 4.0 µg/m³

What cities are near San Leandro?

18 San Lorenzo 18 Castro Valley 18 Hayward 19 Alameda 18 Moraga 18 Oakland 18 San Ramon 18 Orinda 18 Berkeley 20 Bayview-Hunters Point

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T20:05 UTC.