What is the air quality in Crest Hill today?

The current Air Quality Index (AQI) in Crest Hill is 24 (Good). PM2.5 concentration is 5.79 µg/m³.

What is the temperature in Crest Hill right now?

The current temperature in Crest Hill 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 Crest Hill?

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

Air Quality in Crest Hill, United States

Windy

9.0°C · 48.7% humidity

9.0°

Feels 2.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 277 stn

View full history →

Crest Hill'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

5.79 µg/m³

PM10▲

27.4 µg/m³

050100150200300500

What is the weather forecast for Crest Hill?

Temperature & Precipitation

PM2.5 Trend

46h · 277 stations

PM2.55.79 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (3 stations within 25 km)

5.79

Median

7.03

Average

5.5

Low

9.6

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +7.7

What is the 7-day forecast for Crest Hill?

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 Crest Hill?

Joliet, Illinois, USA

3.4 km PM2.5: 5.5 µg/m³

Joliet, Illinois, USA

3.4 km PM2.5: 6.0 µg/m³

Naperville, Illinois, USA

24.5 km PM2.5: 9.6 µg/m³

Clearing 1

34.9 km PM2.5: 9.8 µg/m³

What cities are near Crest Hill?

24 Joliet 25 Lockport 24 Shorewood 29 Romeoville 24 New Lenox 52 Homer Glen 53 Lemont 38 Bolingbrook 56 Goodings Grove 41 Mokena

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T20:56 UTC.