Today | Weather | Thursday, August 27, 2026

Weather in Dayton, Ohio

10:13 PM
Now
Cloudy Night
70° F
Feels Like 72°
Precipitation 0 %
Wind 6 mph
Humidity 86 %
Today
Cloudy Night
Day 84°
Night 61°
Precipitation 6 %
Wind 6 mph

Dayton Weather Forecast Updated

6 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 27, 2025)
Cloudy Weather

Day

79°

Night

54°

Wind

6 mph

UV Index

80

Precipitation

0 %

Air Quality in Dayton

NOW
28 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 6.48 µg/m³
PM10 7.02 µg/m³
O3 0.030 ppm
NO2 4.1 ppb
SO2 0.7 ppb
CO 0.12 ppm
NH3 1.2 µg/m³
NO 0 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.56.48 µg/m³
PM107.02 µg/m³
O359.74 µg/m³
NO27.75 µg/m³
SO21.77 µg/m³
CO139.97 µg/m³
NH31.2 µg/m³
NO0 µg/m³