Stay updated with real-time air quality in Chillicothe, Ohio 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)
33
Good
Chillicothe, Ohio
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.75 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.05 μg/m³
0
55
155
255
425
605+
35.66 ppb
0
55
71
86
201
201+
2.18 ppb
0
36
76
186
605
1005+
4.69 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Chillicothe, Ohio
Chillicothe, Ohio
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AQI 31
Good
3.17μg/m³
PM2.5
13.82μg/m³
PM10
33.31ppb
O3
2.00ppb
SO2
5.38ppb
NO2
0.12ppm
CO
AQI 31
Good
3.33μg/m³
PM2.5
12.27μg/m³
PM10
34.37ppb
O3
2.29ppb
SO2
5.04ppb
NO2
0.13ppm
CO
AQI 30
Good
3.15μg/m³
PM2.5
11.53μg/m³
PM10
31.89ppb
O3
1.86ppb
SO2
5.30ppb
NO2
0.11ppm
CO
AQI 31
Good
3.92μg/m³
PM2.5
15.92μg/m³
PM10
32.88ppb
O3
1.94ppb
SO2
6.24ppb
NO2
0.11ppm
CO
AQI 27
Good
3.15μg/m³
PM2.5
16.41μg/m³
PM10
28.57ppb
O3
1.89ppb
SO2
5.78ppb
NO2
0.11ppm
CO
AQI 46
Good
7.91μg/m³
PM2.5
49.89μg/m³
PM10
34.40ppb
O3
2.08ppb
SO2
5.07ppb
NO2
0.14ppm
CO
Air quality data and pollutant measurements for Ohio, 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 Chillicothe, Ohio is updated every hour.
The worst air quality in Chillicothe, Ohio in the last 24 hours was observed at 03:00:00 on 2025-10-21.
In the last 24 hrs, the best air quality in Chillicothe, Ohio was observed at 07:00:00 on 2025-10-21.
The current air quality in Chillicothe, Ohio is 33, categorized as Good based on real-time data.
The most common pollutant in Chillicothe, Ohio is O3.
If the air quality in Chillicothe, Ohio is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Chillicothe, Ohio is 5.747 μg/m3.
The current PM10 concentration at Chillicothe, Ohio is 26.048 μg/m3.
The current carbon monoxide (CO) concentration at Chillicothe, Ohio is 0.124 ppm.
The current sulfur dioxide (SO2) concentration at Chillicothe, Ohio is 2.178 ppb.
The current ozone (O3) concentration at Chillicothe, Ohio is 35.659 ppm.
The current nitrogen dioxide (NO2) concentration at Chillicothe, Ohio is 4.689 ppb.
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