Today | Weather | Friday, November 13, 2026

Weather in Chicago, Illinois

09:50 AM
Now
Snowy Weather
37° F
Feels Like 25°
Precipitation 73 %
Wind 13 mph
Humidity 85 %
Today
Partly Sunny with Showers
Day 43°
Night 36°
Precipitation 88 %
Wind 15 mph
UV Index (0 - 11+) 1

Chicago Weather Forecast Updated

20 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 13, 2025)
Cloudy Night

Day

54°

Night

45°

Wind

6 mph

Precipitation

0 %

Air Quality in Chicago

NOW
34 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.5 µg/m³
PM10 0.65 µg/m³
O3 0.037 ppm
NO2 2.2 ppb
SO2 0.4 ppb
CO 0.13 ppm
NH3 0.29 µg/m³
NO 0.22 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)
PM2.5 – 0.5 µg/m³
PM10 – 0.65 µg/m³
O3 – 72.73 µg/m³
NO2 – 4.2 µg/m³
SO2 – 1.06 µg/m³
CO – 146 µg/m³
NH3 – 0.29 µg/m³
NO – 0.22 µg/m³