Stay updated with real-time air quality in Chesterton, 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)
27
Good
Chesterton, Indiana
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.40 μg/m³
0
55
155
255
425
605+
18.59 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
10.20 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Chesterton, Indiana
Chesterton, Indiana
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AQI 66
Moderate
17.07μg/m³
PM2.5
75.63μg/m³
PM10
41.46ppb
O3
0.70ppb
SO2
6.19ppb
NO2
0.22ppm
CO
AQI 82
Moderate
25.93μg/m³
PM2.5
112.92μg/m³
PM10
38.92ppb
O3
0.76ppb
SO2
5.80ppb
NO2
0.22ppm
CO
AQI 75
Moderate
21.99μg/m³
PM2.5
100.90μg/m³
PM10
39.47ppb
O3
0.69ppb
SO2
6.77ppb
NO2
0.22ppm
CO
AQI 58
Moderate
13.03μg/m³
PM2.5
55.87μg/m³
PM10
40.12ppb
O3
0.66ppb
SO2
5.69ppb
NO2
0.23ppm
CO
AQI 77
Moderate
23.03μg/m³
PM2.5
100.94μg/m³
PM10
39.87ppb
O3
0.74ppb
SO2
5.97ppb
NO2
0.22ppm
CO
AQI 88
Moderate
28.97μg/m³
PM2.5
125.28μg/m³
PM10
37.67ppb
O3
0.80ppb
SO2
5.57ppb
NO2
0.22ppm
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 Chesterton, Indiana is updated every hour.
The worst air quality in Chesterton, Indiana in the last 24 hours was observed at 11:00:00 on 2025-07-24.
In the last 24 hrs, the best air quality in Chesterton, Indiana was observed at 10:00:00 on 2025-07-24.
The current air quality in Chesterton, Indiana is 64, categorized as Moderate based on real-time data.
The most common pollutant in Chesterton, Indiana is PM2.5.
If the air quality in Chesterton, Indiana is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Chesterton, Indiana is 16.265 μg/m3.
The current PM10 concentration at Chesterton, Indiana is 72.865 μg/m3.
The current carbon monoxide (CO) concentration at Chesterton, Indiana is 0.224 ppm.
The current sulfur dioxide (SO2) concentration at Chesterton, Indiana is 0.681 ppb.
The current ozone (O3) concentration at Chesterton, Indiana is 40.729 ppm.
The current nitrogen dioxide (NO2) concentration at Chesterton, Indiana is 6.453 ppb.
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