Today | Weather | Friday, September 4, 2026

Weather in Syracuse, New York

03:44 PM
Now
Cloudy Weather
77° F
Feels Like 79°
Precipitation 0 %
Wind 10 mph
UV Index (0 - 11+) 3
Humidity 55 %
Today
Cloudy Weather
Day 81°
Night 57°
Precipitation 25 %
Wind 8 mph
UV Index (0 - 11+) 6

Syracuse Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 4, 2025)
Rainy Weather

Day

81°

Night

54°

Wind

5 mph

Precipitation

49 %

Air Quality in Syracuse

NOW
33 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.5 µg/m³
PM10 2.61 µg/m³
O3 0.036 ppm
NO2 0.3 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 0.23 µg/m³
NO 0.12 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)
PM2.52.5 µg/m³
PM102.61 µg/m³
O370.08 µg/m³
NO20.49 µg/m³
SO20.22 µg/m³
CO101.56 µg/m³
NH30.23 µg/m³
NO0.12 µg/m³