Today | Weather | Thursday, February 26, 2026

Weather in New Rochelle, New York

11:48 AM
Now
Cloudy Weather
43° F
Feels Like 43°
Precipitation 7 %
Wind 7 mph
UV Index (0 - 11+) 3
Humidity 52 %
Today
Cloudy Weather
Day 43°
Night 25°
Precipitation 25 %
Wind 6 mph
UV Index (0 - 11+) 4
Overnight Frost 4 AM – 9 AM
Tomorrow Morning Frost 2 AM – 8 AM

New Rochelle Weather Forecast Updated

28 minutes ago
Last updated on

Air Quality in New Rochelle

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

Pollutant Concentrations:

PM2.5 16.27 µg/m³
PM10 19.46 µg/m³
O3 0.038 ppm
NO2 10 ppb
SO2 1.3 ppb
CO 0.28 ppm
NH3 0.53 µg/m³
NO 8.16 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)
PM2.516.27 µg/m³
PM1019.46 µg/m³
O374.58 µg/m³
NO218.84 µg/m³
SO23.33 µg/m³
CO316.14 µg/m³
NH30.53 µg/m³
NO8.16 µg/m³