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)
44
Good
Los Osos, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.17 μg/m³
0
55
155
255
425
605+
29.67 ppb
0
55
71
86
201
201+
1.26 ppb
0
36
76
186
605
1005+
3.54 ppb
0
54
101
361
1250
2050+
0.17 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 49
Good
8.66μg/m³
PM2.5
37.18μg/m³
PM10
29.97ppb
O3
1.26ppb
SO2
3.59ppb
NO2
0.18ppm
CO
AQI 27
Good
4.14μg/m³
PM2.5
12.65μg/m³
PM10
28.71ppb
O3
1.27ppb
SO2
2.96ppb
NO2
0.16ppm
CO
AQI 24
Good
3.09μg/m³
PM2.5
14.21μg/m³
PM10
26.06ppb
O3
1.27ppb
SO2
3.77ppb
NO2
0.16ppm
CO
AQI 33
Good
5.74μg/m³
PM2.5
18.05μg/m³
PM10
28.21ppb
O3
1.26ppb
SO2
1.67ppb
NO2
0.16ppm
CO
AQI 33
Good
5.88μg/m³
PM2.5
18.39μg/m³
PM10
28.20ppb
O3
1.26ppb
SO2
1.59ppb
NO2
0.16ppm
CO
AQI 60
Moderate
14.09μg/m³
PM2.5
63.30μg/m³
PM10
26.16ppb
O3
1.27ppb
SO2
4.08ppb
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 05:00:00 on 2025-06-07.
In the last 24 hours, the best air quality in Los Osos, California was observed at 02:00:00 on 2025-06-07.
As of now, the AQI in Los Osos, California is 44, indicating Good conditions.
Los Osos, California air has the highest levels of PM2.5.
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 8.274 μg/m3.
The PM10 concentration in Los Osos, California is 35.172 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Los Osos, California is 0.175 ppm.
Currently, Los Osos, California has a sulfur dioxide (SO2) concentration of 1.258 ppb.
The current ozone (O3) level in Los Osos, California at the moment is 29.67 ppm.
Nitrogen dioxide (NO2) level in Los Osos, California at the moment is 3.538 ppb.
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