Today | Weather | Thursday, July 23, 2026

Weather in New Rochelle, New York

06:33 AM
Now
Cloudy Weather
66° F
Feels Like 66°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 1
Humidity 66 %
Today
Cloudy Weather
Day 81°
Night 64°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

New Rochelle Weather Forecast Updated

50 minutes ago
Last updated on

Air Quality in New Rochelle

NOW
19 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.4 µg/m³
PM10 3.42 µg/m³
O3 0.020 ppm
NO2 6.6 ppb
SO2 1.3 ppb
CO 0.13 ppm
NH3 0.5 µg/m³
NO 0.28 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)
PM2.52.4 µg/m³
PM103.42 µg/m³
O340.03 µg/m³
NO212.45 µg/m³
SO23.34 µg/m³
CO144.68 µg/m³
NH30.5 µg/m³
NO0.28 µg/m³