Stay updated with real-time air quality in Hamilton, 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)
54
Moderate
Hamilton, Ohio
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
10.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.62 μg/m³
0
55
155
255
425
605+
32.05 ppb
0
55
71
86
201
201+
1.50 ppb
0
36
76
186
605
1005+
7.60 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Hamilton, Ohio
Hamilton, Ohio
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AQI 58
Moderate
13.06μg/m³
PM2.5
46.62μg/m³
PM10
37.90ppb
O3
1.78ppb
SO2
5.92ppb
NO2
0.29ppm
CO
AQI 56
Moderate
12.06μg/m³
PM2.5
50.94μg/m³
PM10
36.42ppb
O3
1.97ppb
SO2
5.73ppb
NO2
0.29ppm
CO
AQI 60
Moderate
13.84μg/m³
PM2.5
50.94μg/m³
PM10
38.60ppb
O3
1.73ppb
SO2
5.68ppb
NO2
0.29ppm
CO
AQI 58
Moderate
13.20μg/m³
PM2.5
46.78μg/m³
PM10
39.17ppb
O3
1.65ppb
SO2
4.94ppb
NO2
0.28ppm
CO
AQI 58
Moderate
12.90μg/m³
PM2.5
48.25μg/m³
PM10
38.44ppb
O3
1.69ppb
SO2
5.95ppb
NO2
0.31ppm
CO
AQI 56
Moderate
12.32μg/m³
PM2.5
53.34μg/m³
PM10
36.58ppb
O3
1.97ppb
SO2
5.71ppb
NO2
0.29ppm
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 Hamilton, Ohio is updated every hour.
The worst air quality in Hamilton, Ohio in the last 24 hours was observed at 02:00:00 on 2025-09-01.
In the last 24 hrs, the best air quality in Hamilton, Ohio was observed at 09:00:00 on 2025-09-01.
The current air quality in Hamilton, Ohio is 38, categorized as Good based on real-time data.
The most common pollutant in Hamilton, Ohio is PM2.5.
If the air quality in Hamilton, Ohio is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Hamilton, Ohio is 7.212 μg/m3.
The current PM10 concentration at Hamilton, Ohio is 30.298 μg/m3.
The current carbon monoxide (CO) concentration at Hamilton, Ohio is 0.226 ppm.
The current sulfur dioxide (SO2) concentration at Hamilton, Ohio is 1.506 ppb.
The current ozone (O3) concentration at Hamilton, Ohio is 35.637 ppm.
The current nitrogen dioxide (NO2) concentration at Hamilton, Ohio is 10.019 ppb.
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