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)
43
Good
Seymour, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.60 μg/m³
0
55
155
255
425
605+
46.03 ppb
0
55
71
86
201
201+
1.94 ppb
0
36
76
186
605
1005+
7.20 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Seymour, Indiana
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AQI 44
Good
4.40μg/m³
PM2.5
19.57μg/m³
PM10
47.41ppb
O3
1.70ppb
SO2
7.07ppb
NO2
0.24ppm
CO
AQI 44
Good
5.87μg/m³
PM2.5
29.38μg/m³
PM10
47.94ppb
O3
2.51ppb
SO2
8.10ppb
NO2
0.24ppm
CO
AQI 44
Good
7.99μg/m³
PM2.5
32.00μg/m³
PM10
45.62ppb
O3
1.90ppb
SO2
6.68ppb
NO2
0.23ppm
CO
AQI 44
Good
6.27μg/m³
PM2.5
29.13μg/m³
PM10
46.99ppb
O3
1.42ppb
SO2
8.30ppb
NO2
0.25ppm
CO
AQI 47
Good
7.80μg/m³
PM2.5
33.98μg/m³
PM10
51.06ppb
O3
1.61ppb
SO2
6.34ppb
NO2
0.23ppm
CO
AQI 52
Moderate
9.95μg/m³
PM2.5
38.27μg/m³
PM10
49.76ppb
O3
1.25ppb
SO2
5.19ppb
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 03:00:00 on 2026-10-21.
In the last 24 hours, the best air quality in Seymour, Indiana was observed at 01:00:00 on 2026-10-21.
As of now, the AQI in Seymour, Indiana is 48, indicating Good conditions.
Seymour, Indiana air has the highest levels of O3.
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 7.422 μg/m3.
The PM10 concentration in Seymour, Indiana is 33.602 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Seymour, Indiana is 0.255 ppm.
Currently, Seymour, Indiana has a sulfur dioxide (SO2) concentration of 0.941 ppb.
The current ozone (O3) level in Seymour, Indiana at the moment is 52.296 ppm.
Nitrogen dioxide (NO2) level in Seymour, Indiana at the moment is 6.34 ppb.
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