Today | Weather | Tuesday, September 8, 2026

Weather in Pittsburgh, Pennsylvania

04:52 AM
Now
Cloudy Night
61° F
Feels Like 61°
Precipitation 0 %
Wind 5 mph
Humidity 89 %
Today
Cloudy Weather
Day 88°
Night 68°
Precipitation 1 %
Wind 5 mph
UV Index (0 - 11+) 6

Pittsburgh Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 8, 2025)
Foggy Weather

Day

72°

Night

50°

Wind

5 mph

Precipitation

0 %

Air Quality in Pittsburgh

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

Pollutant Concentrations:

PM2.5 4.85 µg/m³
PM10 5.4 µg/m³
O3 0.018 ppm
NO2 1.1 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 0.21 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.54.85 µg/m³
PM105.4 µg/m³
O334.59 µg/m³
NO22.04 µg/m³
SO20.33 µg/m³
CO113.2 µg/m³
NH30.21 µg/m³
NO0 µg/m³