Today | Weather | Thursday, February 26, 2026

Weather in New Rochelle, New York

10:17 AM
Now
Partly Sunny with Showers
41° F
Feels Like 39°
Precipitation 45 %
Wind 7 mph
UV Index (0 - 11+) 2
Humidity 59 %
Today
Partly Sunny with Showers
Day 43°
Night 27°
Precipitation 49 %
Wind 5 mph
UV Index (0 - 11+) 4
Overnight Frost 4 AM – 9 AM
Tomorrow Morning Frost 6 AM – 7 AM

New Rochelle Weather Forecast Updated

28 minutes ago
Last updated on

Air Quality in New Rochelle

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

Pollutant Concentrations:

PM2.5 12.81 µg/m³
PM10 15.74 µg/m³
O3 0.031 ppm
NO2 11.8 ppb
SO2 1.1 ppb
CO 0.26 ppm
NH3 0.66 µg/m³
NO 5.15 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)
PM2.512.81 µg/m³
PM1015.74 µg/m³
O361.46 µg/m³
NO222.26 µg/m³
SO22.94 µg/m³
CO303.58 µg/m³
NH30.66 µg/m³
NO5.15 µg/m³