Air Quality in Hannibal, United States
Windy
28.4°C · 53.1% humidity
28.4°
Feels 31.1°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Hannibal's air quality — share it
AQI Forecast
34
12pm
34
27
26
3pm
25
25
24
6pm
24
24
24
9pm
25
25
24
12am
24
24
24
3am
24
24
24
6am
24
24
24
9am
25
25
Hannibal's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
53.1%
Humidity
52.5 km/h
Wind ENE
1013.6 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.25 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Hannibal?
Temperature & Precipitation
PM2.56.25 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
What is the 7-day forecast for Hannibal?
07-21
29.1° 23.0°
0.13 mm
07-22
27.6° 19.8°
07-23
20.9° 17.5°
1.94 mm
07-24
29.4° 17.8°
0.31 mm
07-25
24.0° 18.9°
1.0 mm
07-26
32.6° 23.5°
1.31 mm
07-27
28.6° 20.2°
0.31 mm
Both models agree
Avg diff: 3.8°C
What cities are near Hannibal?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T20:44 UTC.