Today | Weather | Wednesday, January 14, 2026

Weather in Largo, Florida

12:51 AM
Now
Rainy Weather
63° F
Feels Like 54°
Precipitation 63 %
Wind 13 mph
Humidity 88 %
Today
Rainy Weather
Day 68°
Night 57°
Precipitation 55 %
Wind 9 mph
UV Index (0 - 11+) 1

Largo Weather Forecast Updated

Last updated on

Air Quality in Largo

NOW
41 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.05 µg/m³
PM10 9.11 µg/m³
O3 0.044 ppm
NO2 0.2 ppb
SO2 0.2 ppb
CO 0.12 ppm
NH3 0 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)
PM2.54.05 µg/m³
PM109.11 µg/m³
O386.12 µg/m³
NO20.4 µg/m³
SO20.58 µg/m³
CO139.48 µg/m³
NH30 µg/m³
NO0 µg/m³