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)
42
Good
Seymour, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.99 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.56 μg/m³
0
55
155
255
425
605+
44.56 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
7.19 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Seymour, Indiana
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AQI 37
Good
4.02μg/m³
PM2.5
17.99μg/m³
PM10
40.15ppb
O3
0.66ppb
SO2
7.52ppb
NO2
0.15ppm
CO
AQI 45
Good
3.54μg/m³
PM2.5
15.86μg/m³
PM10
49.23ppb
O3
0.64ppb
SO2
7.22ppb
NO2
0.15ppm
CO
AQI 37
Good
4.00μg/m³
PM2.5
13.21μg/m³
PM10
39.72ppb
O3
0.47ppb
SO2
7.18ppb
NO2
0.17ppm
CO
AQI 43
Good
4.88μg/m³
PM2.5
17.05μg/m³
PM10
46.35ppb
O3
1.14ppb
SO2
7.86ppb
NO2
0.15ppm
CO
AQI 37
Good
4.40μg/m³
PM2.5
18.97μg/m³
PM10
40.42ppb
O3
0.47ppb
SO2
7.38ppb
NO2
0.17ppm
CO
AQI 38
Good
4.89μg/m³
PM2.5
20.44μg/m³
PM10
40.63ppb
O3
0.67ppb
SO2
7.67ppb
NO2
0.15ppm
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 09:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Seymour, Indiana was observed at 03:00:00 on 2026-07-23.
As of now, the AQI in Seymour, Indiana is 42, 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 3.987 μg/m3.
The PM10 concentration in Seymour, Indiana is 15.557 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Seymour, Indiana is 0.155 ppm.
Currently, Seymour, Indiana has a sulfur dioxide (SO2) concentration of 0.601 ppb.
The current ozone (O3) level in Seymour, Indiana at the moment is 44.561 ppm.
Nitrogen dioxide (NO2) level in Seymour, Indiana at the moment is 7.19 ppb.
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