Air Quality in Hamilton, United States

Cloudy
20.1°C · 85.7% humidity
20.1°
Feels 20.1°
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast
54 6am
54
54
61 9am
59
58
57 12pm
56
55
55 3pm
35
34
34 6pm
34
34
34 9pm
27
25
25 12am
25
25
25 3am
25
25
AD 728×90

Air Quality Index Trend

39h · 4 stn

Hamilton's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Hamilton is 1.1× the WHO 24-hour guideline of 15 µg/m³.

85.7%
Humidity
11.3 km/h
Wind E
1017.9 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
61
16.66 µg/m³
PM10▲
94
141.15 µg/m³
050100150200300500

What is the weather forecast for Hamilton?

Temperature & Precipitation

PM2.5 Trend

39h · 4 stations
PM2.516.66 µg/m³ ×1.1 WHO
Moderate
PM10141.15 µg/m³
Moderate
UV INDEX4.4
Moderate
AD 300×250
Station readings (2 stations within 25 km)
16.66
Median
16.6
Average
15.9
Low
17.3
High
PM2.5 µg/m³ · Model: 56.72 · Bias: +40.1
Both models agree Avg diff: 3.7°C

Where are air quality stations near Hamilton?

22
Sycamore, Ohio, USA
21.5 km PM2.5: 5.3 µg/m³
59
Sycamore, Ohio, USA
21.5 km PM2.5: 15.9 µg/m³
36
Colerain, Ohio, USA
23.4 km PM2.5: 8.6 µg/m³
21
Colerain, Ohio, USA
23.4 km PM2.5: 5.0 µg/m³

What cities are near Hamilton?

62 Fairfield 62 Forest Park 58 Middletown 62 White Oak 60 Mason 64 Norwood 65 Cincinnati 58 Lebanon 58 Springboro 64 Newport
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T13:19 UTC.