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)
28
Good
Plymouth, Indiana
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.47 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.49 μg/m³
0
55
155
255
425
605+
29.60 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
2.91 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Plymouth, Indiana
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AQI 49
Good
9.03μg/m³
PM2.5
40.20μg/m³
PM10
12.51ppb
O3
0.70ppb
SO2
5.59ppb
NO2
0.30ppm
CO
AQI 49
Good
8.98μg/m³
PM2.5
39.64μg/m³
PM10
11.57ppb
O3
0.72ppb
SO2
6.25ppb
NO2
0.30ppm
CO
AQI 44
Good
7.82μg/m³
PM2.5
26.73μg/m³
PM10
11.73ppb
O3
0.95ppb
SO2
10.06ppb
NO2
0.29ppm
CO
AQI 54
Moderate
10.75μg/m³
PM2.5
37.73μg/m³
PM10
11.63ppb
O3
0.71ppb
SO2
11.63ppb
NO2
0.31ppm
CO
AQI 54
Moderate
10.74μg/m³
PM2.5
47.14μg/m³
PM10
14.58ppb
O3
0.91ppb
SO2
8.96ppb
NO2
0.30ppm
CO
AQI 49
Good
8.51μg/m³
PM2.5
33.14μg/m³
PM10
14.75ppb
O3
0.93ppb
SO2
8.65ppb
NO2
0.29ppm
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 11:00:00 on 2025-09-05.
In the last 24 hrs, the best air quality in Plymouth, Indiana was observed at 04:00:00 on 2025-09-06.
The current air quality in Plymouth, Indiana is 28, categorized as Good based on real-time data.
The most common pollutant in Plymouth, Indiana is O3.
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 3.467 μg/m3.
The current PM10 concentration at Plymouth, Indiana is 11.489 μg/m3.
The current carbon monoxide (CO) concentration at Plymouth, Indiana is 0.302 ppm.
The current sulfur dioxide (SO2) concentration at Plymouth, Indiana is 0.547 ppb.
The current ozone (O3) concentration at Plymouth, Indiana is 29.597 ppm.
The current nitrogen dioxide (NO2) concentration at Plymouth, Indiana is 2.909 ppb.
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