Stay updated with real-time air quality in Los Osos, 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)
23
Good
Los Osos, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.78 μg/m³
0
55
155
255
425
605+
24.99 ppb
0
55
71
86
201
201+
0.85 ppb
0
36
76
186
605
1005+
2.01 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Los Osos, California
Los Osos, California
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AQI 27
Good
1.74μg/m³
PM2.5
12.17μg/m³
PM10
29.02ppb
O3
0.78ppb
SO2
2.09ppb
NO2
0.16ppm
CO
AQI 28
Good
5.00μg/m³
PM2.5
7.15μg/m³
PM10
30.27ppb
O3
0.79ppb
SO2
1.84ppb
NO2
0.16ppm
CO
AQI 30
Good
2.16μg/m³
PM2.5
10.17μg/m³
PM10
31.96ppb
O3
0.79ppb
SO2
1.91ppb
NO2
0.16ppm
CO
AQI 28
Good
1.97μg/m³
PM2.5
7.48μg/m³
PM10
29.65ppb
O3
0.80ppb
SO2
1.42ppb
NO2
0.16ppm
CO
AQI 28
Good
1.80μg/m³
PM2.5
7.36μg/m³
PM10
29.60ppb
O3
0.80ppb
SO2
1.39ppb
NO2
0.16ppm
CO
AQI 30
Good
4.36μg/m³
PM2.5
19.30μg/m³
PM10
31.97ppb
O3
0.79ppb
SO2
2.14ppb
NO2
0.16ppm
CO
Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Los Osos, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Los Osos, California was at its worst at 01:00:00 on 2025-07-17.
In the last 24 hours, the best air quality in Los Osos, California was observed at 01:00:00 on 2025-07-16.
As of now, the AQI in Los Osos, California is 26, indicating Good conditions.
Los Osos, California air has the highest levels of O3.
Poor air quality in Los Osos, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Los Osos, California are currently 3.02 μg/m3.
The PM10 concentration in Los Osos, California is 13.751 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Los Osos, California is 0.163 ppm.
Currently, Los Osos, California has a sulfur dioxide (SO2) concentration of 0.713 ppb.
The current ozone (O3) level in Los Osos, California at the moment is 28.097 ppm.
Nitrogen dioxide (NO2) level in Los Osos, California at the moment is 2.321 ppb.
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