Today | Weather | Sunday, January 18, 2026

Weather in Long Beach, California

11:51 PM
Now
Night
55° F
Feels Like 55°
Precipitation 0 %
Wind 5 mph
Humidity 81 %
Today
Cloudy Weather
Day 72°
Night 48°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 3

Long Beach Weather Forecast Updated

41 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 18, 2025)
Cloudy Weather

Day

61°

Night

46°

Wind

4 mph

UV Index

3

Precipitation

0 %

Air Quality in Long Beach

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

Pollutant Concentrations:

PM2.5 19.23 µg/m³
PM10 28.91 µg/m³
O3 0.044 ppm
NO2 0.7 ppb
SO2 0.2 ppb
CO 0.17 ppm
NH3 0.02 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)
PM2.519.23 µg/m³
PM1028.91 µg/m³
O386.25 µg/m³
NO21.33 µg/m³
SO20.52 µg/m³
CO195.76 µg/m³
NH30.02 µg/m³
NO0 µg/m³