What is the air quality in Joliet today?

The current Air Quality Index (AQI) in Joliet is 24 (Good). PM2.5 concentration is 5.75 µg/m³.

What is the temperature in Joliet right now?

The current temperature in Joliet is 9.0°C (feels like 2.2°C). Humidity is 48.7% and wind speed is 105.3 km/h.

Is it safe to go outside in Joliet?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Joliet, United States

Windy

9.0°C · 48.7% humidity

9.0°

Feels 2.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

— 12pm

—

— 3pm

—

— 6pm

—

— 9pm

—

— 12am

—

— 3am

—

— 6am

—

— 9am

—

Air Quality Index Trend

45h · 250 stn

View full history →

Joliet's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

48.7%

Humidity

105.3 km/h

Wind NNE

1027.1 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

5.75 µg/m³

PM10▲

41.2 µg/m³

050100150200300500

What is the weather forecast for Joliet?

Temperature & Precipitation

PM2.5 Trend

45h · 250 stations

PM2.55.75 µg/m³ ✓ WHO

Good

PM1041.2 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

5.75

Median

5.75

Average

5.5

Low

6.0

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +7.8

What is the 7-day forecast for Joliet?

10-20

9.0° 3.4°

10-21

20.9° 10.4°

1.06 mm

10-22

14.8° 5.9°

10-23

10.9° 6.9°

1.31 mm

10-24

21.0° 7.4°

10-25

13.1° 0.7°

0.25 mm

10-26

17.6° 2.7°

3.69 mm

Both models agree Avg diff: 5.5°C

Where are air quality stations near Joliet?

Joliet, Illinois, USA

2.8 km PM2.5: 5.5 µg/m³

Joliet, Illinois, USA

2.8 km PM2.5: 6.0 µg/m³

What cities are near Joliet?

25 Crest Hill 28 Lockport 24 Shorewood 24 New Lenox 34 Romeoville 53 Homer Glen 41 Mokena 57 Goodings Grove 53 Lemont 41 Bolingbrook

Get AQI alerts for Joliet

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T20:05 UTC.