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)
27
Good
Topeka, Kansas
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.10 μg/m³
0
55
155
255
425
605+
4.21 ppb
0
55
71
86
201
201+
1.38 ppb
0
36
76
186
605
1005+
14.31 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Topeka, Kansas
Topeka, Kansas
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AQI 31
Good
4.77μg/m³
PM2.5
32.65μg/m³
PM10
22.93ppb
O3
1.55ppb
SO2
14.68ppb
NO2
0.40ppm
CO
AQI 23
Good
3.37μg/m³
PM2.5
24.71μg/m³
PM10
23.07ppb
O3
1.56ppb
SO2
13.25ppb
NO2
0.40ppm
CO
AQI 29
Good
4.02μg/m³
PM2.5
30.98μg/m³
PM10
21.55ppb
O3
1.73ppb
SO2
17.77ppb
NO2
0.44ppm
CO
AQI 23
Good
4.32μg/m³
PM2.5
20.40μg/m³
PM10
25.23ppb
O3
1.79ppb
SO2
14.92ppb
NO2
0.42ppm
CO
AQI 23
Good
4.28μg/m³
PM2.5
18.23μg/m³
PM10
25.03ppb
O3
1.71ppb
SO2
14.46ppb
NO2
0.41ppm
CO
AQI 27
Good
4.26μg/m³
PM2.5
28.84μg/m³
PM10
27.14ppb
O3
1.50ppb
SO2
11.70ppb
NO2
0.38ppm
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 2025-10-22.
The best air quality in Topeka, Kansas was recorded at 01:00:00 on 2025-10-21.
The real-time air quality index in Topeka, Kansas is 27, currently categorized as Good.
The most common pollutant in Topeka, Kansas is PM2.5.
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 μg/m3.
The current PM10 levels in Topeka, Kansas are 23.104 μg/m3.
The current carbon monoxide (CO) level in Topeka, Kansas is 0.287 ppm.
The current sulfur dioxide (SO2) levels in Topeka, Kansas are 1.376 ppb.
The current ozone (O3) levels at Topeka, Kansas is 4.205 ppm.
The current nitrogen dioxide (NO2) levels at Topeka, Kansas is 14.31 ppb.
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