Stay updated with real-time air quality in Orinda, California featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
33
Good
Orinda, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.62 μg/m³
0
55
155
255
425
605+
17.84 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
2.89 ppb
0
54
101
361
1250
2050+
0.36 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Orinda, California
Orinda, California
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AQI 33
Good
6.29μg/m³
PM2.5
27.72μg/m³
PM10
22.36ppb
O3
0.41ppb
SO2
2.04ppb
NO2
0.21ppm
CO
AQI 27
Good
5.44μg/m³
PM2.5
23.39μg/m³
PM10
22.79ppb
O3
0.40ppb
SO2
2.32ppb
NO2
0.26ppm
CO
AQI 27
Good
4.55μg/m³
PM2.5
20.14μg/m³
PM10
22.94ppb
O3
0.33ppb
SO2
3.03ppb
NO2
0.42ppm
CO
AQI 33
Good
5.65μg/m³
PM2.5
24.78μg/m³
PM10
21.08ppb
O3
0.37ppb
SO2
4.52ppb
NO2
0.43ppm
CO
AQI 33
Good
6.35μg/m³
PM2.5
27.84μg/m³
PM10
20.76ppb
O3
0.38ppb
SO2
4.73ppb
NO2
0.43ppm
CO
AQI 22
Good
3.82μg/m³
PM2.5
16.98μg/m³
PM10
22.91ppb
O3
0.32ppb
SO2
3.23ppb
NO2
0.47ppm
CO
The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Orinda, California are available every hour.
Orinda, California experienced its worst air quality at 12:00:00, 2026-08-16.
The best air quality in Orinda, California was observed at 02:00:00 on 2026-08-16.
The air quality in Orinda, California right now is Good, with an AQI of 33.
In Orinda, California, PM2.5 is the most frequently found pollutant.
When air quality in Orinda, California is compromised, staying indoors and wearing a mask can reduce health risks.
Orinda, California currently has a PM2.5 concentration of 5.597 μg/m3.
Orinda, California currently has a PM10 concentration of 22.621 μg/m3.
The current carbon monoxide (CO) level in Orinda, California is 0.361 ppm.
The current sulfur dioxide (SO2) concentration in Orinda, California is 0.407 ppb.
Orinda, California currently has an ozone (O3) concentration of 17.835 ppm.
The current level of nitrogen dioxide (NO2) in Orinda, California is 2.891 ppb.
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