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
4.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.21 μg/m³
0
55
155
255
425
605+
23.78 ppb
0
55
71
86
201
201+
1.03 ppb
0
36
76
186
605
1005+
16.61 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Seymour, Indiana
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AQI 27
Good
4.80μg/m³
PM2.5
21.21μg/m³
PM10
28.34ppb
O3
0.85ppb
SO2
15.64ppb
NO2
0.33ppm
CO
AQI 33
Good
6.43μg/m³
PM2.5
29.26μg/m³
PM10
23.06ppb
O3
1.04ppb
SO2
21.03ppb
NO2
0.35ppm
CO
AQI 33
Good
6.28μg/m³
PM2.5
20.15μg/m³
PM10
22.99ppb
O3
0.79ppb
SO2
18.38ppb
NO2
0.41ppm
CO
AQI 33
Good
5.60μg/m³
PM2.5
29.29μg/m³
PM10
27.68ppb
O3
0.90ppb
SO2
15.19ppb
NO2
0.32ppm
CO
AQI 33
Good
6.39μg/m³
PM2.5
28.98μg/m³
PM10
27.49ppb
O3
0.85ppb
SO2
15.31ppb
NO2
0.39ppm
CO
AQI 27
Good
4.93μg/m³
PM2.5
25.87μg/m³
PM10
25.28ppb
O3
0.69ppb
SO2
21.23ppb
NO2
0.32ppm
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 07:00:00 on 2026-01-22.
In the last 24 hours, the best air quality in Seymour, Indiana was observed at 04:00:00 on 2026-01-23.
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 4.911 μg/m3.
The PM10 concentration in Seymour, Indiana is 20.215 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Seymour, Indiana is 0.342 ppm.
Currently, Seymour, Indiana has a sulfur dioxide (SO2) concentration of 1.026 ppb.
The current ozone (O3) level in Seymour, Indiana at the moment is 23.784 ppm.
Nitrogen dioxide (NO2) level in Seymour, Indiana at the moment is 16.612 ppb.
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