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)
52
Moderate
Plymouth, Indiana
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
10.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
57.08 μg/m³
0
55
155
255
425
605+
33.76 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
2.79 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Plymouth, Indiana
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AQI 56
Moderate
11.88μg/m³
PM2.5
54.58μg/m³
PM10
32.12ppb
O3
1.76ppb
SO2
2.02ppb
NO2
0.22ppm
CO
AQI 56
Moderate
11.78μg/m³
PM2.5
54.66μg/m³
PM10
31.66ppb
O3
1.74ppb
SO2
2.36ppb
NO2
0.22ppm
CO
AQI 52
Moderate
9.93μg/m³
PM2.5
55.17μg/m³
PM10
26.57ppb
O3
1.74ppb
SO2
3.33ppb
NO2
0.23ppm
CO
AQI 54
Moderate
10.74μg/m³
PM2.5
58.42μg/m³
PM10
34.29ppb
O3
2.10ppb
SO2
3.95ppb
NO2
0.22ppm
CO
AQI 54
Moderate
10.52μg/m³
PM2.5
46.82μg/m³
PM10
26.99ppb
O3
1.67ppb
SO2
3.43ppb
NO2
0.22ppm
CO
AQI 56
Moderate
11.56μg/m³
PM2.5
56.56μg/m³
PM10
26.11ppb
O3
1.66ppb
SO2
3.44ppb
NO2
0.21ppm
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 01:00:00 on 2025-07-22.
In the last 24 hrs, the best air quality in Plymouth, Indiana was observed at 09:00:00 on 2025-07-23.
The current air quality in Plymouth, Indiana is 56, categorized as Moderate based on real-time data.
The most common pollutant in Plymouth, Indiana is PM10.
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 12.156 μg/m3.
The current PM10 concentration at Plymouth, Indiana is 66.133 μg/m3.
The current carbon monoxide (CO) concentration at Plymouth, Indiana is 0.216 ppm.
The current sulfur dioxide (SO2) concentration at Plymouth, Indiana is 1.872 ppb.
The current ozone (O3) concentration at Plymouth, Indiana is 33.389 ppm.
The current nitrogen dioxide (NO2) concentration at Plymouth, Indiana is 2.349 ppb.
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