Air Quality in San Lorenzo, United States
Overcast
9.7°C · 92.5% humidity
9.7°
Feels 7.7°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
79 stations
Nearby Monitoring Stations
San Lorenzo's air quality — share it
AQI Forecast
34
4am
34
27
23
7am
27
27
27
10am
27
27
27
1pm
27
27
27
4pm
27
27
27
7pm
27
27
27
10pm
27
27
27
1am
27
27
Air Quality Index Trend
48h · 1 stnSan Lorenzo'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 Lorenzo is 1.1× the WHO annual guideline of 5 µg/m³.
92.5%
Humidity
13.9 km/h
Wind WSW
1016.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.58 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for San Lorenzo?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.55.58 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (79 stations within 25 km)
5.58
Median
5.31
Average
1.9
Low
13.07
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +0.9
What is the 7-day forecast for San Lorenzo?
05-29
23.5° 9.7°
05-30
19.9° 12.2°
05-31
28.5° 16.6°
06-01
28.3° 11.5°
06-02
22.1° 10.2°
06-03
27.8° 7.4°
06-04
30.4° 9.0°
Both models agree
Avg diff: 3.8°C
Where are air quality stations near San Lorenzo?
22
Madison Park Academy HS
26
Lifers 105th
26
Esperanza ES
25
Lifers 98th
24
Oakland - East, Alameda, California
10
Oakland - East, Alameda, California
26
Elmhurst United MS
20
Grass Valley ES
53
Highland Community ES
19
Castlemont High School
What cities are near San Lorenzo?
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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 2026-05-29T14:52 UTC.