Today | Weather | Thursday, February 5, 2026

Weather in Concord, California

05:32 PM
Now
Cloudy Night
61° F
Feels Like 61°
Precipitation 0 %
Wind 5 mph
Humidity 64 %
Today
Cloudy Weather
Day 70°
Night 46°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 3

Concord Weather Forecast Updated

17 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 5, 2025)
Cloudy Weather

Day

57°

Night

41°

Wind

6 mph

UV Index

3

Precipitation

2 %

Air Quality in Concord

NOW
138 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 50.5 µg/m³
PM10 55.59 µg/m³
O3 0.052 ppm
NO2 5.8 ppb
SO2 0.7 ppb
CO 0.32 ppm
NH3 0.74 µg/m³
NO 0.01 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:

Members of sensitive groups may experience health effects. The general public is not likely to be affected.

Show raw pollutant concentrations (µg/m³)
PM2.550.5 µg/m³
PM1055.59 µg/m³
O3102.55 µg/m³
NO210.93 µg/m³
SO21.88 µg/m³
CO366.53 µg/m³
NH30.74 µg/m³
NO0.01 µg/m³