Stay updated with real-time air quality in Lenexa, 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)
40
Good
Lenexa, Kansas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.65 μg/m³
0
55
155
255
425
605+
42.72 ppb
0
55
71
86
201
201+
1.11 ppb
0
36
76
186
605
1005+
10.63 ppb
0
54
101
361
1250
2050+
0.37 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Lenexa, Kansas
Lenexa, Kansas
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AQI 40
Good
3.36μg/m³
PM2.5
22.03μg/m³
PM10
42.79ppb
O3
1.15ppb
SO2
8.99ppb
NO2
0.37ppm
CO
AQI 40
Good
3.33μg/m³
PM2.5
23.98μg/m³
PM10
43.03ppb
O3
1.13ppb
SO2
6.65ppb
NO2
0.36ppm
CO
AQI 41
Good
3.07μg/m³
PM2.5
14.65μg/m³
PM10
43.84ppb
O3
1.10ppb
SO2
7.35ppb
NO2
0.36ppm
CO
AQI 40
Good
3.28μg/m³
PM2.5
20.30μg/m³
PM10
43.01ppb
O3
1.16ppb
SO2
10.50ppb
NO2
0.38ppm
CO
AQI 40
Good
3.22μg/m³
PM2.5
17.03μg/m³
PM10
43.00ppb
O3
1.15ppb
SO2
13.78ppb
NO2
0.39ppm
CO
AQI 40
Good
3.24μg/m³
PM2.5
23.42μg/m³
PM10
43.22ppb
O3
1.15ppb
SO2
6.93ppb
NO2
0.36ppm
CO
Air quality and pollutant data for Kansas, 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 Lenexa, Kansas is updated every hour for accuracy.
In the past 24 hours, the air quality in Lenexa, Kansas was at its worst at 03:00:00 on 2026-10-05.
In the last 24 hours, the best air quality in Lenexa, Kansas was observed at 02:00:00 on 2026-10-05.
As of now, the AQI in Lenexa, Kansas is 40, indicating Good conditions.
Lenexa, Kansas air has the highest levels of O3.
Poor air quality in Lenexa, Kansas means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Lenexa, Kansas are currently 3.066 μg/m3.
The PM10 concentration in Lenexa, Kansas is 14.646 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Lenexa, Kansas is 0.366 ppm.
Currently, Lenexa, Kansas has a sulfur dioxide (SO2) concentration of 1.112 ppb.
The current ozone (O3) level in Lenexa, Kansas at the moment is 42.721 ppm.
Nitrogen dioxide (NO2) level in Lenexa, Kansas at the moment is 10.63 ppb.
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