Stay updated with real-time air quality in Seymour, Indiana 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
Seymour, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.64 μg/m³
0
55
155
255
425
605+
17.05 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
5.20 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Seymour, Indiana
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AQI 33
Good
5.61μg/m³
PM2.5
24.03μg/m³
PM10
20.57ppb
O3
0.75ppb
SO2
5.17ppb
NO2
0.24ppm
CO
AQI 33
Good
5.83μg/m³
PM2.5
21.02μg/m³
PM10
19.82ppb
O3
0.76ppb
SO2
5.43ppb
NO2
0.24ppm
CO
AQI 27
Good
5.26μg/m³
PM2.5
20.84μg/m³
PM10
19.50ppb
O3
0.68ppb
SO2
4.71ppb
NO2
0.23ppm
CO
AQI 33
Good
5.93μg/m³
PM2.5
23.91μg/m³
PM10
19.70ppb
O3
1.34ppb
SO2
5.41ppb
NO2
0.25ppm
CO
AQI 27
Good
5.10μg/m³
PM2.5
22.01μg/m³
PM10
20.51ppb
O3
0.67ppb
SO2
4.73ppb
NO2
0.23ppm
CO
AQI 38
Good
6.96μg/m³
PM2.5
19.33μg/m³
PM10
21.14ppb
O3
0.75ppb
SO2
5.13ppb
NO2
0.24ppm
CO
Air quality and pollutant data for Indiana, 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 Seymour, Indiana is updated every hour for accuracy.
In the past 24 hours, the air quality in Seymour, Indiana was at its worst at 05:00:00 on 2026-09-06.
In the last 24 hours, the best air quality in Seymour, Indiana was observed at 11:00:00 on 2026-09-07.
As of now, the AQI in Seymour, Indiana is 27, indicating Good conditions.
Seymour, Indiana air has the highest levels of PM2.5.
Poor air quality in Seymour, Indiana means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Seymour, Indiana are currently 5.38 μg/m3.
The PM10 concentration in Seymour, Indiana is 18.642 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Seymour, Indiana is 0.238 ppm.
Currently, Seymour, Indiana has a sulfur dioxide (SO2) concentration of 0.737 ppb.
The current ozone (O3) level in Seymour, Indiana at the moment is 17.05 ppm.
Nitrogen dioxide (NO2) level in Seymour, Indiana at the moment is 5.198 ppb.
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