Stay updated with real-time air quality in Stevenson Ranch, 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)
18
Good
Stevenson Ranch, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.44 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.88 μg/m³
0
55
155
255
425
605+
18.91 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
6.31 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Stevenson Ranch, California
Stevenson Ranch, California
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AQI 36
Good
5.26μg/m³
PM2.5
22.83μg/m³
PM10
38.82ppb
O3
0.39ppb
SO2
9.39ppb
NO2
0.10ppm
CO
AQI 41
Good
2.76μg/m³
PM2.5
24.36μg/m³
PM10
44.30ppb
O3
0.38ppb
SO2
7.75ppb
NO2
0.13ppm
CO
AQI 31
Good
3.73μg/m³
PM2.5
16.17μg/m³
PM10
33.10ppb
O3
0.38ppb
SO2
6.06ppb
NO2
0.12ppm
CO
AQI 33
Good
5.64μg/m³
PM2.5
24.85μg/m³
PM10
31.24ppb
O3
0.39ppb
SO2
4.00ppb
NO2
0.14ppm
CO
AQI 28
Good
3.58μg/m³
PM2.5
12.59μg/m³
PM10
29.99ppb
O3
0.38ppb
SO2
4.04ppb
NO2
0.13ppm
CO
AQI 28
Good
3.67μg/m³
PM2.5
16.38μg/m³
PM10
29.86ppb
O3
0.39ppb
SO2
3.96ppb
NO2
0.14ppm
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 Stevenson Ranch, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Stevenson Ranch, California was at its worst at 10:00:00 on 2025-07-16.
In the last 24 hours, the best air quality in Stevenson Ranch, California was observed at 05:00:00 on 2025-07-17.
As of now, the AQI in Stevenson Ranch, California is 33, indicating Good conditions.
Stevenson Ranch, California air has the highest levels of O3.
Poor air quality in Stevenson Ranch, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Stevenson Ranch, California are currently 4.647 μg/m3.
The PM10 concentration in Stevenson Ranch, California is 20.426 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Stevenson Ranch, California is 0.11 ppm.
Currently, Stevenson Ranch, California has a sulfur dioxide (SO2) concentration of 0.385 ppb.
The current ozone (O3) level in Stevenson Ranch, California at the moment is 35.878 ppm.
Nitrogen dioxide (NO2) level in Stevenson Ranch, California at the moment is 7.596 ppb.
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