Air Quality in Orinda, United States

Partly Cloudy
20.1°C · 55.0% humidity
20.1°
Feels 20.1°
96
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast
54 2pm
54
54
96 5pm
84
76
69 8pm
65
62
60 11pm
58
57
56 2am
55
55
35 5am
35
34
34 8am
34
34
34 11am
34
54
AD 728×90

Air Quality Index Trend

46h · 97 stn

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. Current PM2.5 concentration in Orinda is 2.2× the WHO 24-hour guideline of 15 µg/m³.

55.0%
Humidity
36.0 km/h
Wind SW
1011.1 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
96
33.6 µg/m³
PM10
69
91.15 µg/m³
050100150200300500

What is the weather forecast for Orinda?

Temperature & Precipitation

PM2.5 Trend

46h · 97 stations
PM2.533.6 µg/m³ ×2.2 WHO
Moderate
PM1091.15 µg/m³
Moderate
UV INDEX17.4
Extreme
AD 300×250

What is the 7-day forecast for Orinda?

08-03
22.1° 14.5°
08-04
19.4° 14.4°
08-05
24.1° 14.2°
08-06
22.9° 14.8°
08-07
20.9° 14.9°
08-08
21.5° 14.3°
08-09
25.4° 14.6°
Both models agree Avg diff: 3.7°C

Where are air quality stations near Orinda?

109
Thornhill ES
5.3 km PM2.5: 38.9 µg/m³
62
Lawrence Hall of Science
5.9 km PM2.5: 17.2 µg/m³
31
Lawrence Hall of Science
5.9 km PM2.5: 7.5 µg/m³
41
Montclair ES
6.0 km PM2.5: 9.8 µg/m³
35
Hillcrest ES
6.1 km PM2.5: 8.4 µg/m³
32
Chabot ES
6.4 km PM2.5: 7.8 µg/m³
43
Montera MS/Joaquin Miller ES
6.7 km PM2.5: 10.3 µg/m³
32
Stanley Hall
6.7 km PM2.5: 7.6 µg/m³
31
Crossroads
6.8 km PM2.5: 7.5 µg/m³
31
VLSB
7.3 km PM2.5: 7.5 µg/m³

What cities are near Orinda?

96 Moraga 4 Berkeley 68 Walnut Creek 4 Oakland 4 El Cerrito 68 Pleasant Hill 4 Alameda 96 Martinez 96 San Leandro 91 San Pablo
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T00:56 UTC.