Today | Weather | Sunday, November 1, 2026

Weather in Lancaster, Pennsylvania

11:33 PM
Today
Cloudy Weather
Day 61°
Night 39°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 3

Lancaster Weather Forecast Updated

Weather Forecast History
Last Year's Weather on This Day (November 1, 2025)
Cloudy Weather

Day

59°

Night

37°

Wind

11 mph

UV Index

3

Precipitation

0 %

Air Quality in Lancaster

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

Pollutant Concentrations:

PM2.5 11.95 µg/m³
PM10 17.78 µg/m³
O3 0.009 ppm
NO2 21 ppb
SO2 0.4 ppb
CO 0.34 ppm
NH3 1.12 µg/m³
NO 3.49 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)
PM2.5 – 11.95 µg/m³
PM10 – 17.78 µg/m³
O3 – 18.23 µg/m³
NO2 – 39.49 µg/m³
SO2 – 1.07 µg/m³
CO – 388.93 µg/m³
NH3 – 1.12 µg/m³
NO – 3.49 µg/m³