Air Quality in Hamilton, United States

Overcast
17.7°C · 90.9% humidity
17.7°
Feels 17.7°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
27 4am
27
27
40 7am
36
61
59 10am
37
29
29 1pm
28
28
28 4pm
25
25
25 7pm
25
24
24 10pm
24
24
24 1am
24
24
AD 728×90

Air Quality Index Trend

45h · 3 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.

90.9%
Humidity
34.0 km/h
Wind SSW
1015.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
40
9.6 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Hamilton?

Temperature & Precipitation

PM2.5 Trend

45h · 3 stations
PM2.59.6 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
9.6
Median
9.6
Average
9.6
Low
9.6
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -3.1

What is the 7-day forecast for Hamilton?

05-30
20.5° 17.7°
0.62 mm
05-31
28.0° 9.7°
06-01
28.2° 15.0°
0.75 mm
06-02
22.1° 11.4°
06-03
25.6° 21.9°
14.75 mm
06-04
25.1° 18.4°
06-05
24.5° 11.4°
1.19 mm
Both models agree Avg diff: 4.8°C

Where are air quality stations near Hamilton?

38
Sycamore, Ohio, USA
21.5 km PM2.5: 9.1 µg/m³
47
Sycamore, Ohio, USA
21.5 km PM2.5: 11.3 µg/m³
34
Colerain, Ohio, USA
23.4 km PM2.5: 8.2 µg/m³
45
Colerain, Ohio, USA
23.4 km PM2.5: 10.8 µg/m³

What cities are near Hamilton?

52 Fairfield 51 Forest Park 34 Middletown 59 White Oak 38 Mason 59 Norwood 62 Cincinnati 34 Lebanon 34 Springboro 61 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 2026-05-30T11:48 UTC.