What is the air quality in Cary today?

The current Air Quality Index (AQI) in Cary is 30 (Good). PM2.5 concentration is 7.19 µg/m³.

What is the temperature in Cary right now?

The current temperature in Cary is 9.3°C (feels like 4.8°C). Humidity is 63.5% and wind speed is 44.1 km/h.

Is it safe to go outside in Cary?

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

Air Quality in Cary, United States

Windy

9.3°C · 63.5% humidity

9.3°

Feels 4.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

45h · 173 stn

View full history →

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

63.5%

Humidity

44.1 km/h

Wind ENE

1024.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.19 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Cary?

Temperature & Precipitation

PM2.5 Trend

45h · 173 stations

PM2.57.19 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

7.19

Median

4.1

Average

1.0

Low

7.2

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +6.3

What is the 7-day forecast for Cary?

10-21

21.6° 9.3°

2.19 mm

10-22

14.1° 5.9°

0.06 mm

10-23

10.6° 6.2°

0.69 mm

10-24

21.0° 7.0°

10-25

13.5° 0.4°

1.19 mm

10-26

14.6° 2.1°

4.63 mm

10-27

8.2° -2.2°

0.13 mm

Both models agree Avg diff: 5.6°C

Where are air quality stations near Cary?

Cary, Illinois, USA

1.0 km PM2.5: 7.2 µg/m³

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a08-968758

24.0 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

What cities are near Cary?

30 Algonquin 30 Crystal Lake 30 Lake in the Hills 30 Carpentersville 22 Lake Zurich 30 McHenry 30 Huntley 15 Round Lake 30 Elgin 7 Mundelein

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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 2026-10-21T02:27 UTC.