Today | Weather | Tuesday, December 9, 2025

Weather in Lancaster, California

05:16 PM
Now
Night
63° F
Feels Like 61°
Precipitation 0 %
Wind 5 mph
Humidity 32 %
Today
Sunny Weather
Day 64°
Night 32°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 3

Lancaster Weather Forecast Updated

4 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 9, 2024)
Night

Day

64°

Night

27°

Wind

8 mph

Precipitation

0 %

Air Quality in Lancaster

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

Pollutant Concentrations:

PM2.5 14.42 µg/m³
PM10 21.99 µg/m³
O3 0.045 ppm
NO2 9.9 ppb
SO2 0.4 ppb
CO 0.21 ppm
NH3 0.3 µg/m³
NO 0.12 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)
PM2.514.42 µg/m³
PM1021.99 µg/m³
O388.95 µg/m³
NO218.62 µg/m³
SO21.14 µg/m³
CO240.87 µg/m³
NH30.3 µg/m³
NO0.12 µg/m³