Today | Weather | Wednesday, August 12, 2026

Weather in Meriden, Connecticut

07:50 AM
Now
Cloudy Weather
70° F
Feels Like 72°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 2
Humidity 74 %
Today
Cloudy Weather
Day 86°
Night 66°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

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.

Meriden Weather Forecast Updated

Last updated on

Air Quality in Meriden

NOW
18 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 4.36 µg/m³
PM10 6.55 µg/m³
O3 0.012 ppm
NO2 10.9 ppb
SO2 2.3 ppb
CO 0.17 ppm
NH3 0.67 µg/m³
NO 2.6 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)
PM2.54.36 µg/m³
PM106.55 µg/m³
O323.3 µg/m³
NO220.6 µg/m³
SO25.98 µg/m³
CO190.26 µg/m³
NH30.67 µg/m³
NO2.6 µg/m³