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)
16
Good
Stevenson Ranch, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.00 μg/m³
0
55
155
255
425
605+
2.86 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
9.18 ppb
0
54
101
361
1250
2050+
0.37 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 16
Good
2.80μg/m³
PM2.5
12.06μg/m³
PM10
1.12ppb
O3
0.67ppb
SO2
8.34ppb
NO2
0.37ppm
CO
AQI 16
Good
3.37μg/m³
PM2.5
15.03μg/m³
PM10
9.20ppb
O3
0.68ppb
SO2
10.63ppb
NO2
0.37ppm
CO
AQI 22
Good
3.65μg/m³
PM2.5
14.90μg/m³
PM10
5.37ppb
O3
0.64ppb
SO2
8.33ppb
NO2
0.36ppm
CO
AQI 13
Good
2.33μg/m³
PM2.5
14.29μg/m³
PM10
6.36ppb
O3
0.68ppb
SO2
11.20ppb
NO2
0.37ppm
CO
AQI 25
Good
3.19μg/m³
PM2.5
26.74μg/m³
PM10
6.58ppb
O3
0.66ppb
SO2
11.02ppb
NO2
0.37ppm
CO
AQI 13
Good
2.23μg/m³
PM2.5
13.69μg/m³
PM10
6.20ppb
O3
0.68ppb
SO2
10.82ppb
NO2
0.37ppm
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 04:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in Stevenson Ranch, California was observed at 04:00:00 on 2026-09-07.
As of now, the AQI in Stevenson Ranch, California is 16, indicating Good conditions.
Stevenson Ranch, California air has the highest levels of PM2.5.
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 2.711 μg/m3.
The PM10 concentration in Stevenson Ranch, California is 12.999 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Stevenson Ranch, California is 0.368 ppm.
Currently, Stevenson Ranch, California has a sulfur dioxide (SO2) concentration of 0.668 ppb.
The current ozone (O3) level in Stevenson Ranch, California at the moment is 2.856 ppm.
Nitrogen dioxide (NO2) level in Stevenson Ranch, California at the moment is 9.182 ppb.
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