Today | Weather | Monday, October 5, 2026

Weather in Lancaster, California

12:22 AM
Now
Night
72° F
Feels Like 70°
Precipitation 0 %
Wind 5 mph
Humidity 39 %
Today
Hot Day
Day 97°
Night 61°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 5

Lancaster Weather Forecast Updated

36 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 5, 2025)
Night

Day

81°

Night

48°

Wind

6 mph

Precipitation

0 %

Air Quality in Lancaster

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

Pollutant Concentrations:

PM2.5 20.89 µg/m³
PM10 33.61 µg/m³
O3 0.055 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 – 20.89 µg/m³
PM10 – 33.61 µg/m³
O3 – 108.47 µg/m³
NO2 – 3.82 µg/m³
SO2 – 1.22 µg/m³
CO – 181.17 µg/m³
NH3 – 0.06 µg/m³
NO – 0 µg/m³