Today | Weather | Wednesday, March 18, 2026

Weather in Longview, Texas

04:21 AM
Now
Cloudy Night
45° F
Feels Like 39°
Precipitation 0 %
Wind 8 mph
Humidity 55 %
Today
Cloudy Weather
Day 75°
Night 50°
Precipitation 0 %
Wind 10 mph
UV Index (0 - 11+) 7

Longview Weather Forecast Updated

Last updated on

Air Quality in Longview

NOW
51 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.97 µg/m³
PM10 5.51 µg/m³
O3 0.054 ppm
NO2 2 ppb
SO2 1.2 ppb
CO 0.14 ppm
NH3 1.21 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)
PM2.53.97 µg/m³
PM105.51 µg/m³
O3106.8 µg/m³
NO23.73 µg/m³
SO23.18 µg/m³
CO154.88 µg/m³
NH31.21 µg/m³
NO0 µg/m³