Today | Weather | Monday, October 12, 2026

Weather in Meriden, Connecticut

09:10 PM
Now
Cloudy Night
59° F
Feels Like 57°
Precipitation 0 %
Wind 6 mph
Humidity 89 %
Today
Cloudy Night
Day 70°
Night 52°
Precipitation 25 %
Wind 4 mph

Meriden Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 12, 2025)
Rainy Weather

Day

61°

Night

55°

Wind

11 mph

UV Index

10

Precipitation

96 %

Air Quality in Meriden

NOW
30 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.32 µg/m³
PM10 7.56 µg/m³
O3 0.033 ppm
NO2 11.2 ppb
SO2 1.2 ppb
CO 0.18 ppm
NH3 0.69 µg/m³
NO 0 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)
PM2.5 – 4.32 µg/m³
PM10 – 7.56 µg/m³
O3 – 63.82 µg/m³
NO2 – 21 µg/m³
SO2 – 3.23 µg/m³
CO – 206.35 µg/m³
NH3 – 0.69 µg/m³
NO – 0 µg/m³