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
6.18 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.44 μg/m³
0
55
155
255
425
605+
16.32 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
4.87 ppb
0
54
101
361
1250
2050+
0.32 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
5.60μg/m³
PM2.5
24.61μg/m³
PM10
25.17ppb
O3
1.29ppb
SO2
2.11ppb
NO2
0.32ppm
CO
AQI 38
Good
6.59μg/m³
PM2.5
29.38μg/m³
PM10
20.44ppb
O3
1.29ppb
SO2
2.62ppb
NO2
0.32ppm
CO
AQI 38
Good
7.49μg/m³
PM2.5
33.35μg/m³
PM10
17.53ppb
O3
1.08ppb
SO2
3.71ppb
NO2
0.34ppm
CO
AQI 44
Good
8.14μg/m³
PM2.5
36.24μg/m³
PM10
16.77ppb
O3
1.39ppb
SO2
3.22ppb
NO2
0.27ppm
CO
AQI 49
Good
8.62μg/m³
PM2.5
38.46μg/m³
PM10
16.62ppb
O3
1.59ppb
SO2
3.06ppb
NO2
0.23ppm
CO
AQI 33
Good
6.15μg/m³
PM2.5
27.10μg/m³
PM10
17.50ppb
O3
0.67ppb
SO2
3.37ppb
NO2
0.45ppm
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 09:00:00, 2025-07-29.
The best air quality in Orinda, California was observed at 10:00:00 on 2025-07-29.
The air quality in Orinda, California right now is Good, with an AQI of 38.
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 6.899 μg/m3.
Orinda, California currently has a PM10 concentration of 30.716 μg/m3.
The current carbon monoxide (CO) level in Orinda, California is 0.323 ppm.
The current sulfur dioxide (SO2) concentration in Orinda, California is 1.162 ppb.
Orinda, California currently has an ozone (O3) concentration of 19.318 ppm.
The current level of nitrogen dioxide (NO2) in Orinda, California is 3.044 ppb.
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