Today | Weather | Wednesday, December 24, 2025

Weather in Dayton, Ohio

11:20 AM
Now
Foggy Weather
41° F
Feels Like 39°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 2
Humidity 87 %
Today
Cloudy Weather
Day 46°
Night 41°
Precipitation 3 %
Wind 7 mph
UV Index (0 - 11+) 2

Dayton Weather Forecast Updated

51 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 24, 2024)
Cloudy Weather

Day

48°

Night

37°

Wind

4 mph

UV Index

1

Precipitation

3 %

Air Quality in Dayton

NOW
68 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 20.38 µg/m³
PM10 23.58 µg/m³
O3 0.014 ppm
NO2 6.9 ppb
SO2 0.5 ppb
CO 0.26 ppm
NH3 0.14 µg/m³
NO 3.57 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.520.38 µg/m³
PM1023.58 µg/m³
O327.83 µg/m³
NO213.04 µg/m³
SO21.38 µg/m³
CO297.13 µg/m³
NH30.14 µg/m³
NO3.57 µg/m³