Air Quality in San Ramon, United States

Overcast
9.7°C · 92.5% humidity
9.7°
Feels 7.7°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
51 stations

Nearby Monitoring Stations

AQI Forecast
34 4am
34
27
22 7am
23
24
25 10am
26
26
26 1pm
27
27
27 4pm
27
27
27 7pm
27
27
27 10pm
27
27
27 1am
27
27
AD 728×90

Air Quality Index Trend

48h · 1 stn

San Ramon'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 Ramon is 1.0× 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▲
22
5.22 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for San Ramon?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.55.22 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (51 stations within 25 km)
5.22
Median
5.27
Average
2.67
Low
13.07
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +1.3

What is the 7-day forecast for San Ramon?

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: 4.5°C

Where are air quality stations near San Ramon?

12
Berkeley-Dublin
11.4 km PM2.5: 3.0 µg/m³
20
Grass Valley ES
13.3 km PM2.5: 4.7 µg/m³
22
Oakland Academy of Knowledge (OAK) ES
15.5 km PM2.5: 5.2 µg/m³
20
Rudsdale Continuation HS
15.5 km PM2.5: 4.9 µg/m³
19
Skyline HS
16.1 km PM2.5: 4.5 µg/m³
21
Lifers Dashwood
16.3 km PM2.5: 5.0 µg/m³
19
Castlemont High School
16.5 km PM2.5: 4.5 µg/m³
20
Burckhalter ES
16.6 km PM2.5: 4.9 µg/m³
26
Elmhurst United MS
17.0 km PM2.5: 6.3 µg/m³
10
Oakland - East, Alameda, California
17.4 km PM2.5: 2.4 µg/m³

What cities are near San Ramon?

23 Castro Valley 21 Moraga 23 Hayward 13 Pleasanton 20 Walnut Creek 25 San Leandro 23 San Lorenzo 18 Pleasant Hill 20 Orinda 12 Livermore
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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 2026-05-29T14:46 UTC.