What is the air quality in Orinda today?

The current Air Quality Index (AQI) in Orinda is 19 (Good). PM2.5 concentration is 4.47 µg/m³.

What is the temperature in Orinda right now?

The current temperature in Orinda is 20.4°C (feels like 20.4°C). Humidity is 43.8% and wind speed is 17.4 km/h.

Is it safe to go outside in Orinda?

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

Air Quality in Orinda, United States

Clear

20.4°C · 43.8% humidity

20.4°

Feels 20.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

77 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings 18h ago

AQI 17

PM2.5 4.0 µg/m³ · 18h ago

Air Quality Index Trend

27h · 1 stn

View full history →

Orinda's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

43.8%

Humidity

17.4 km/h

Wind WSW

1018.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.47 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Orinda?

Temperature & Precipitation

PM2.5 Trend

27h · 1 station

PM2.54.47 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (77 stations within 25 km)

4.47

Median

4.7

Average

2.99

Low

11.0

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +1.3

What is the 7-day forecast for Orinda?

10-20

24.2° 15.5°

10-21

21.9° 14.7°

10-22

25.0° 15.6°

10-23

22.2° 16.0°

10-24

22.2° 14.4°

10-25

21.5° 14.7°

3.38 mm

10-26

22.1° 15.4°

Both models agree Avg diff: 6.2°C

Where are air quality stations near Orinda?

Thornhill ES

5.3 km PM2.5: 4.2 µg/m³

Lawrence Hall of Science

5.9 km PM2.5: 3.8 µg/m³

Montclair ES

6.0 km PM2.5: 4.2 µg/m³

Hillcrest ES

6.1 km PM2.5: 3.8 µg/m³

Chabot ES

6.4 km PM2.5: 4.8 µg/m³

Montera MS/Joaquin Miller ES

6.7 km PM2.5: 3.2 µg/m³

Stanley Hall

6.7 km PM2.5: 4.8 µg/m³

Crossroads

6.8 km PM2.5: 4.8 µg/m³

VLSB

7.3 km PM2.5: 4.4 µg/m³

Peralta ES

7.6 km PM2.5: 3.6 µg/m³

What cities are near Orinda?

18 Moraga 19 Berkeley 20 Walnut Creek 20 Oakland 21 El Cerrito 21 Pleasant Hill 20 Alameda 15 Martinez 20 San Leandro 32 San Pablo

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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 2026-10-20T20:56 UTC.