Air Quality in San Ramon, United States

Drizzle
10.7°C · 92.9% humidity
10.7°
Feels 10.7°
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
49 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
14 12am
13
13
14 3am
14
14
26 6am
39
39
64 9am
64
64
64 12pm
26
39
26 3pm
14
14
14 6pm
14
14
14 9pm
14
14
Station readings
14
13
13
CAMS model adj -11
25
25
25
25
25
25
37
50
50
75
75
75
75
37
50
37
25
25
25
25
25
25
25
25
AD 728×90

PM2.5 Trend (24h)

25h · 104 stations
92.9%
Humidity
13.7 km/h
Wind SSW
1010.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.53.28 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
3.28
Median
3.26
Average
2.7
Low
5.06
High
PM2.5 µg/m³ · Model: 8.9 · Bias: +5.6
04-10
17.6° 9.6°
3.94 mm
04-11
17.3° 8.9°
0.06 mm
04-12
12.5° 6.1°
2.25 mm
04-13
15.0° 3.9°
0.25 mm
04-14
18.4° 5.5°
04-15
21.2° 8.3°
04-16
20.3° 8.1°

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T03:51 UTC.