Stay updated with real-time air quality in Plymouth, 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)
38
Good
Plymouth, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.25 μg/m³
0
55
155
255
425
605+
40.48 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
2.96 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Plymouth, Indiana
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AQI 38
Good
6.99μg/m³
PM2.5
31.30μg/m³
PM10
39.17ppb
O3
0.36ppb
SO2
1.38ppb
NO2
0.19ppm
CO
AQI 38
Good
6.97μg/m³
PM2.5
32.61μg/m³
PM10
39.62ppb
O3
0.38ppb
SO2
1.67ppb
NO2
0.19ppm
CO
AQI 38
Good
7.08μg/m³
PM2.5
29.05μg/m³
PM10
36.05ppb
O3
0.46ppb
SO2
3.38ppb
NO2
0.24ppm
CO
AQI 38
Good
7.28μg/m³
PM2.5
33.19μg/m³
PM10
35.12ppb
O3
0.37ppb
SO2
3.11ppb
NO2
0.19ppm
CO
AQI 38
Good
6.81μg/m³
PM2.5
30.09μg/m³
PM10
32.77ppb
O3
0.43ppb
SO2
2.31ppb
NO2
0.20ppm
CO
AQI 38
Good
6.84μg/m³
PM2.5
26.78μg/m³
PM10
32.78ppb
O3
0.43ppb
SO2
2.40ppb
NO2
0.20ppm
CO
Air quality data and pollutant measurements for Indiana, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Plymouth, Indiana is updated every hour.
The worst air quality in Plymouth, Indiana in the last 24 hours was observed at 10:00:00 on 2026-06-07.
In the last 24 hrs, the best air quality in Plymouth, Indiana was observed at 08:00:00 on 2026-06-08.
The current air quality in Plymouth, Indiana is 38, categorized as Good based on real-time data.
The most common pollutant in Plymouth, Indiana is PM2.5.
If the air quality in Plymouth, Indiana is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Plymouth, Indiana is 6.825 μg/m3.
The current PM10 concentration at Plymouth, Indiana is 28.246 μg/m3.
The current carbon monoxide (CO) concentration at Plymouth, Indiana is 0.191 ppm.
The current sulfur dioxide (SO2) concentration at Plymouth, Indiana is 0.358 ppb.
The current ozone (O3) concentration at Plymouth, Indiana is 40.475 ppm.
The current nitrogen dioxide (NO2) concentration at Plymouth, Indiana is 2.958 ppb.
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