Stay updated with real-time air quality in Topeka, Kansas 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)
39
Good
Topeka, Kansas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.06 μg/m³
0
55
155
255
425
605+
41.97 ppb
0
55
71
86
201
201+
1.95 ppb
0
36
76
186
605
1005+
5.56 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Topeka, Kansas
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AQI 38
Good
6.56μg/m³
PM2.5
32.63μg/m³
PM10
37.02ppb
O3
1.98ppb
SO2
6.02ppb
NO2
0.25ppm
CO
AQI 36
Good
6.33μg/m³
PM2.5
30.57μg/m³
PM10
38.84ppb
O3
0.33ppb
SO2
5.54ppb
NO2
0.25ppm
CO
AQI 36
Good
6.05μg/m³
PM2.5
24.22μg/m³
PM10
39.00ppb
O3
1.45ppb
SO2
6.91ppb
NO2
0.27ppm
CO
AQI 38
Good
7.17μg/m³
PM2.5
22.31μg/m³
PM10
39.94ppb
O3
1.43ppb
SO2
5.97ppb
NO2
0.26ppm
CO
AQI 38
Good
7.22μg/m³
PM2.5
21.61μg/m³
PM10
39.99ppb
O3
1.65ppb
SO2
6.16ppb
NO2
0.26ppm
CO
AQI 38
Good
7.30μg/m³
PM2.5
21.41μg/m³
PM10
41.13ppb
O3
2.59ppb
SO2
6.09ppb
NO2
0.24ppm
CO
Air quality measurements for Kansas, 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 Topeka, Kansas is updated on an hourly basis.
The worst air quality in Topeka, Kansas was recorded at 01:00:00 on 2026-03-09.
The best air quality in Topeka, Kansas was recorded at 12:00:00 on 2026-03-09.
The real-time air quality index in Topeka, Kansas is 39, currently categorized as Good.
The most common pollutant in Topeka, Kansas is O3.
If the air quality in Topeka, Kansas is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Topeka, Kansas at present are 5.707 μg/m3.
The current PM10 levels in Topeka, Kansas are 21.061 μg/m3.
The current carbon monoxide (CO) level in Topeka, Kansas is 0.256 ppm.
The current sulfur dioxide (SO2) levels in Topeka, Kansas are 1.949 ppb.
The current ozone (O3) levels at Topeka, Kansas is 41.972 ppm.
The current nitrogen dioxide (NO2) levels at Topeka, Kansas is 5.563 ppb.
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