Today | Weather | Thursday, October 29, 2026

Weather in Largo, Florida

05:24 PM
Now
Cloudy Weather
84° F
Feels Like 88°
Precipitation 19 %
Wind 12 mph
UV Index (0 - 11+) 2
Humidity 63 %
Today
Partly Sunny with Showers
Day 90°
Night 72°
Precipitation 55 %
Wind 9 mph
UV Index (0 - 11+) 4

Largo Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 29, 2025)
Rainy Night

Day

77°

Night

66°

Wind

9 mph

Precipitation

89 %

Air Quality in Largo

NOW
73 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 10.93 µg/m³
PM10 23.62 µg/m³
O3 0.061 ppm
NO2 0.5 ppb
SO2 0.2 ppb
CO 0.11 ppm
NH3 0.02 µg/m³
NO 0.08 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)
PM2.5 – 10.93 µg/m³
PM10 – 23.62 µg/m³
O3 – 120.48 µg/m³
NO2 – 0.85 µg/m³
SO2 – 0.6 µg/m³
CO – 131.63 µg/m³
NH3 – 0.02 µg/m³
NO – 0.08 µg/m³