Stay updated with real-time air quality in Marion City, 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
Marion City, Indiana
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.40 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.04 μg/m³
0
55
155
255
425
605+
17.70 ppb
0
55
71
86
201
201+
1.34 ppb
0
36
76
186
605
1005+
7.23 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Marion City, Indiana
Marion City, Indiana
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AQI 27
Good
4.68μg/m³
PM2.5
20.80μg/m³
PM10
14.28ppb
O3
0.55ppb
SO2
10.31ppb
NO2
0.23ppm
CO
AQI 27
Good
4.67μg/m³
PM2.5
17.65μg/m³
PM10
16.72ppb
O3
0.55ppb
SO2
10.31ppb
NO2
0.23ppm
CO
AQI 22
Good
4.48μg/m³
PM2.5
18.71μg/m³
PM10
17.04ppb
O3
0.55ppb
SO2
9.94ppb
NO2
0.25ppm
CO
AQI 27
Good
4.90μg/m³
PM2.5
22.75μg/m³
PM10
16.83ppb
O3
0.55ppb
SO2
9.05ppb
NO2
0.23ppm
CO
AQI 33
Good
6.16μg/m³
PM2.5
27.84μg/m³
PM10
17.94ppb
O3
0.64ppb
SO2
10.34ppb
NO2
0.23ppm
CO
AQI 27
Good
5.13μg/m³
PM2.5
27.37μg/m³
PM10
14.30ppb
O3
0.56ppb
SO2
9.87ppb
NO2
0.24ppm
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 Marion City, Indiana is updated every hour.
The worst air quality in Marion City, Indiana in the last 24 hours was observed at 02:00:00 on 2025-08-28.
In the last 24 hrs, the best air quality in Marion City, Indiana was observed at 04:00:00 on 2025-08-29.
The current air quality in Marion City, Indiana is 27, categorized as Good based on real-time data.
The most common pollutant in Marion City, Indiana is PM2.5.
If the air quality in Marion City, Indiana is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Marion City, Indiana is 4.913 μg/m3.
The current PM10 concentration at Marion City, Indiana is 20.434 μg/m3.
The current carbon monoxide (CO) concentration at Marion City, Indiana is 0.259 ppm.
The current sulfur dioxide (SO2) concentration at Marion City, Indiana is 0.95 ppb.
The current ozone (O3) concentration at Marion City, Indiana is 15.448 ppm.
The current nitrogen dioxide (NO2) concentration at Marion City, Indiana is 8.564 ppb.
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