Today | Weather | Wednesday, March 18, 2026

Weather in Baytown, Texas

04:15 AM
Now
Cloudy Night
52° F
Feels Like 48°
Precipitation 0 %
Wind 9 mph
Humidity 71 %
Today
Cloudy Weather
Day 72°
Night 55°
Precipitation 0 %
Wind 12 mph
UV Index (0 - 11+) 7

Baytown Weather Forecast Updated

Last updated on

Air Quality in Baytown

NOW
78 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.15 µg/m³
PM10 2.97 µg/m³
O3 0.063 ppm
NO2 0.2 ppb
SO2 0.1 ppb
CO 0.11 ppm
NH3 0.5 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 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)
PM2.51.15 µg/m³
PM102.97 µg/m³
O3123.46 µg/m³
NO20.4 µg/m³
SO20.29 µg/m³
CO129.15 µg/m³
NH30.5 µg/m³
NO0 µg/m³