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)
20
Good
Los Osos, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
1.36 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.39 μg/m³
0
55
155
255
425
605+
22.15 ppb
0
55
71
86
201
201+
0.62 ppb
0
36
76
186
605
1005+
1.74 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Los Osos, California
Los Osos, California
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AQI 22
Good
0.73μg/m³
PM2.5
7.59μg/m³
PM10
23.98ppb
O3
0.61ppb
SO2
1.14ppb
NO2
0.12ppm
CO
AQI 20
Good
1.35μg/m³
PM2.5
5.90μg/m³
PM10
22.06ppb
O3
0.60ppb
SO2
1.01ppb
NO2
0.12ppm
CO
AQI 20
Good
0.42μg/m³
PM2.5
2.12μg/m³
PM10
22.02ppb
O3
0.60ppb
SO2
1.39ppb
NO2
0.12ppm
CO
AQI 20
Good
0.54μg/m³
PM2.5
2.81μg/m³
PM10
22.41ppb
O3
0.61ppb
SO2
0.64ppb
NO2
0.12ppm
CO
AQI 20
Good
0.52μg/m³
PM2.5
2.73μg/m³
PM10
22.45ppb
O3
0.61ppb
SO2
0.62ppb
NO2
0.12ppm
CO
AQI 20
Good
0.88μg/m³
PM2.5
3.95μg/m³
PM10
22.02ppb
O3
0.60ppb
SO2
1.24ppb
NO2
0.12ppm
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 2025-07-25.
In the last 24 hours, the best air quality in Los Osos, California was observed at 05:00:00 on 2025-07-24.
As of now, the AQI in Los Osos, California is 22, 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 0.748 μg/m3.
The PM10 concentration in Los Osos, California is 7.166 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Los Osos, California is 0.123 ppm.
Currently, Los Osos, California has a sulfur dioxide (SO2) concentration of 0.609 ppb.
The current ozone (O3) level in Los Osos, California at the moment is 23.743 ppm.
Nitrogen dioxide (NO2) level in Los Osos, California at the moment is 1.138 ppb.
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