Stay updated with real-time air quality in Hays, 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)
34
Good
Hays, Kansas
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.67 μg/m³
0
55
155
255
425
605+
36.62 ppb
0
55
71
86
201
201+
0.77 ppb
0
36
76
186
605
1005+
6.91 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Hays, Kansas
Hays, Kansas
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AQI 37
Good
2.48μg/m³
PM2.5
10.00μg/m³
PM10
40.13ppb
O3
0.35ppb
SO2
0.39ppb
NO2
0.10ppm
CO
AQI 38
Good
2.70μg/m³
PM2.5
23.00μg/m³
PM10
41.10ppb
O3
0.83ppb
SO2
1.24ppb
NO2
0.17ppm
CO
AQI 37
Good
1.85μg/m³
PM2.5
8.00μg/m³
PM10
39.86ppb
O3
0.32ppb
SO2
0.38ppb
NO2
0.11ppm
CO
AQI 36
Good
2.15μg/m³
PM2.5
18.65μg/m³
PM10
39.05ppb
O3
0.97ppb
SO2
1.47ppb
NO2
0.17ppm
CO
AQI 35
Good
2.13μg/m³
PM2.5
18.45μg/m³
PM10
38.34ppb
O3
0.96ppb
SO2
1.45ppb
NO2
0.16ppm
CO
AQI 41
Good
1.81μg/m³
PM2.5
7.83μg/m³
PM10
43.98ppb
O3
0.31ppb
SO2
0.42ppb
NO2
0.10ppm
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 Hays, Kansas is updated every hour for accuracy.
In the past 24 hours, the air quality in Hays, Kansas was at its worst at 12:00:00 on 2025-10-21.
In the last 24 hours, the best air quality in Hays, Kansas was observed at 01:00:00 on 2025-10-21.
As of now, the AQI in Hays, Kansas is 36, indicating Good conditions.
Hays, Kansas air has the highest levels of O3.
Poor air quality in Hays, Kansas means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Hays, Kansas are currently 1.903 μg/m3.
The PM10 concentration in Hays, Kansas is 15.092 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hays, Kansas is 0.161 ppm.
Currently, Hays, Kansas has a sulfur dioxide (SO2) concentration of 1.257 ppb.
The current ozone (O3) level in Hays, Kansas at the moment is 38.685 ppm.
Nitrogen dioxide (NO2) level in Hays, Kansas at the moment is 1.548 ppb.
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