Today | Weather | Monday, November 3, 2025

Weather in Stamford, Connecticut

05:37 AM

Now

37° F

Feels Like 37°

Precipitation 1 %

Wind 5 mph

Humidity 100 %

Today

Day 61°

Night 46°

Precipitation 49 %

Wind 9 mph

UV Index (0 - 11+) 3

Stamford Weather Forecast Updated

19 minutes ago

Last updated on November 03, 2025 5:18 AM

Weather Forecast History

Last Year's Weather on This Day (November 3, 2024)

Day

54°

Night

37°

Wind

4 mph

Precipitation

Air Quality in Stamford

NOW

30 AQI

Good air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 7.3 µg/m³

PM₁₀ 9.71 µg/m³

O₃ 0.028 ppm

NO₂ 3.5 ppb

SO₂ 0.3 ppb

CO 0.15 ppm

NH₃ 0.13 µg/m³

NO 0.02 µg/m³

PM_2.5 – 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)

PM_2.5 – 7.3 µg/m³

PM₁₀ – 9.71 µg/m³

O₃ – 55.21 µg/m³

NO₂ – 6.59 µg/m³

SO₂ – 0.68 µg/m³

CO – 173.03 µg/m³

NH₃ – 0.13 µg/m³

NO – 0.02 µg/m³

View Hourly Air Quality Forecast