Today | Weather | Friday, September 18, 2026

Weather in Bellflower, California

07:54 PM
Now
Night
73° F
Feels Like 72°
Precipitation 0 %
Wind 6 mph
Humidity 71 %
Today
Cloudy Night
Day 82°
Night 64°
Precipitation 0 %
Wind 5 mph

Bellflower Weather Forecast Updated

29 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 18, 2025)
Partly Sunny with Showers

Day

82°

Night

68°

Wind

7 mph

UV Index

50

Precipitation

80 %

Air Quality in Bellflower

NOW
45 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 7.5 µg/m³
PM10 21.65 µg/m³
O3 0.048 ppm
NO2 0.2 ppb
SO2 0.3 ppb
CO 0.13 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.57.5 µg/m³
PM1021.65 µg/m³
O394.61 µg/m³
NO20.36 µg/m³
SO20.66 µg/m³
CO149.88 µg/m³
NH30 µg/m³
NO0 µg/m³