What is the air quality in San Ramon today?

The current Air Quality Index (AQI) in San Ramon is 20 (Good). PM2.5 concentration is 4.81 µg/m³.

What is the temperature in San Ramon right now?

The current temperature in San Ramon is 16.8°C (feels like 16.8°C). Humidity is 67.0% and wind speed is 5.3 km/h.

Is it safe to go outside in San Ramon?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0 (Moderate).

Air Quality in San Ramon, United States

Drizzle

16.8°C · 67.0% humidity

16.8°

Feels 16.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

49 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

18 4pm

18 7pm

18 10pm

18 1am

18 4am

43 7am

68 10am

30 1pm

Station readings

CAMS model adj -7

PM2.5 Trend (24h)

25h · 103 stations

67.0%

Humidity

5.3 km/h

Wind WSW

1011.5 hPa

Pressure

2.9

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for San Ramon?

Temperature & Precipitation

PM2.54.81 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX2.9

Moderate

Station readings (49 stations within 25 km)

4.81

Median

4.91

Average

2.63

Low

7.16

High

PM2.5 µg/m³ · Model: 7.4 · Bias: +2.6

What is the 7-day forecast for San Ramon?

04-09

19.5° 11.9°

0.25 mm

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°

Both models agree Avg diff: 2.0°C

Where are air quality stations near San Ramon?

–

united-states-of-america-castro-valley-briar-ridge-drive

10.2 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

Berkeley-Dublin

11.4 km PM2.5: 4.2 µg/m³

Grass Valley ES

13.3 km PM2.5: 6.3 µg/m³

Oakland Academy of Knowledge (OAK) ES

15.5 km PM2.5: 5.7 µg/m³

Rudsdale Continuation HS

15.5 km PM2.5: 5.3 µg/m³

Skyline HS

16.1 km PM2.5: 4.6 µg/m³

Lifers Dashwood

16.3 km PM2.5: 5.1 µg/m³

Castlemont High School

16.5 km PM2.5: 4.3 µg/m³

Burckhalter ES

16.6 km PM2.5: 4.7 µg/m³

Elmhurst United MS

17.0 km PM2.5: 5.4 µg/m³

What cities are near San Ramon?

20 Castro Valley 19 Moraga 20 Hayward 23 Pleasanton 20 Walnut Creek 19 San Leandro 19 San Lorenzo 19 Pleasant Hill 19 Orinda 17 Livermore

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T19:07 UTC.