Stay updated with real-time air quality in South Pasadena, 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)
38
Good
South Pasadena, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.67 μg/m³
0
55
155
255
425
605+
21.28 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
6.04 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
South Pasadena, California
South Pasadena, California
Scroll To Air Quality MapLoading...
AQI 22
Good
4.24μg/m³
PM2.5
13.12μg/m³
PM10
16.73ppb
O3
0.15ppb
SO2
4.07ppb
NO2
0.10ppm
CO
AQI 22
Good
4.23μg/m³
PM2.5
12.01μg/m³
PM10
16.20ppb
O3
0.15ppb
SO2
3.92ppb
NO2
0.10ppm
CO
AQI 22
Good
4.24μg/m³
PM2.5
12.24μg/m³
PM10
16.25ppb
O3
0.15ppb
SO2
3.87ppb
NO2
0.10ppm
CO
AQI 22
Good
4.20μg/m³
PM2.5
13.41μg/m³
PM10
16.87ppb
O3
0.15ppb
SO2
3.95ppb
NO2
0.10ppm
CO
AQI 22
Good
4.13μg/m³
PM2.5
15.39μg/m³
PM10
17.91ppb
O3
0.16ppb
SO2
4.09ppb
NO2
0.10ppm
CO
AQI 22
Good
4.17μg/m³
PM2.5
13.00μg/m³
PM10
16.59ppb
O3
0.15ppb
SO2
3.95ppb
NO2
0.10ppm
CO
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for South Pasadena, California is updated on an hourly basis.
The worst air quality in South Pasadena, California was recorded at 05:00:00 on 2025-09-09.
The best air quality in South Pasadena, California was recorded at 07:00:00 on 2025-09-10.
The real-time air quality index in South Pasadena, California is 22, currently categorized as Good.
The most common pollutant in South Pasadena, California is PM2.5.
If the air quality in South Pasadena, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in South Pasadena, California at present are 4.273 μg/m3.
The current PM10 levels in South Pasadena, California are 12.534 μg/m3.
The current carbon monoxide (CO) level in South Pasadena, California is 0.101 ppm.
The current sulfur dioxide (SO2) levels in South Pasadena, California are 0.15 ppb.
The current ozone (O3) levels at South Pasadena, California is 16.421 ppm.
The current nitrogen dioxide (NO2) levels at South Pasadena, California is 4.088 ppb.
All Rights Reserved © Ambee Inc. 2025