Today | Weather | Monday, September 14, 2026

Weather in Lancaster, California

09:23 PM
Now
Night
73° F
Feels Like 72°
Precipitation 0 %
Wind 12 mph
Humidity 42 %
Today
Cloudy Night
Day 91°
Night 59°
Precipitation 0 %
Wind 8 mph

Lancaster Weather Forecast Updated

59 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 14, 2025)
Sunny Weather

Day

91°

Night

59°

Wind

7 mph

UV Index

70

Precipitation

0 %

Air Quality in Lancaster

NOW
58 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 11.21 µg/m³
PM10 24.5 µg/m³
O3 0.057 ppm
NO2 0.9 ppb
SO2 0.6 ppb
CO 0.17 ppm
NH3 0 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)
PM2.511.21 µg/m³
PM1024.5 µg/m³
O3111.35 µg/m³
NO21.65 µg/m³
SO21.6 µg/m³
CO199.27 µg/m³
NH30 µg/m³
NO0 µg/m³