Today | Weather | Sunday, October 4, 2026

Weather in Lancaster, California

11:28 PM
Now
Night
73° F
Feels Like 72°
Precipitation 0 %
Wind 7 mph
Humidity 36 %
Today
Night
Day 93°
Night 61°
Precipitation 0 %
Wind 6 mph

Lancaster Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 4, 2025)
Night

Day

75°

Night

46°

Wind

7 mph

Precipitation

0 %

Air Quality in Lancaster

NOW
69 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 20.98 µg/m³
PM10 33.83 µg/m³
O3 0.057 ppm
NO2 2 ppb
SO2 0.5 ppb
CO 0.16 ppm
NH3 0.06 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)
PM2.5 – 20.98 µg/m³
PM10 – 33.83 µg/m³
O3 – 112.05 µg/m³
NO2 – 3.76 µg/m³
SO2 – 1.26 µg/m³
CO – 178.92 µg/m³
NH3 – 0.06 µg/m³
NO – 0 µg/m³