Today | Weather | Tuesday, January 13, 2026

Weather in Quincy, Massachusetts

03:29 PM
Now
Cloudy Weather
45° F
Feels Like 39°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 1
Humidity 50 %
Today
Cloudy Weather
Day 46°
Night 37°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 2

Quincy Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 13, 2025)
Cloudy Weather

Day

41°

Night

27°

Wind

4 mph

UV Index

2

Precipitation

0 %

Air Quality in Quincy

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

Pollutant Concentrations:

PM2.5 13.93 µg/m³
PM10 19.02 µg/m³
O3 0.029 ppm
NO2 11.8 ppb
SO2 2.9 ppb
CO 0.22 ppm
NH3 0.23 µg/m³
NO 3.2 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)
PM2.513.93 µg/m³
PM1019.02 µg/m³
O357.84 µg/m³
NO222.15 µg/m³
SO27.61 µg/m³
CO249.61 µg/m³
NH30.23 µg/m³
NO3.2 µg/m³