Air Quality in Cary, United States

Windy
23.3°C · 72.8% humidity
23.3°
Feels 23.3°
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
5 5pm
5
5
36 8pm
27
21
17 11pm
14
14
39 2am
67
67
66 5am
65
65
36 8am
64
127
127 11am
127
127
127 2pm
127
127
Station readings 7h ago
AQI 4
PM2.5 1.0 µg/m³ · 7h ago
CAMS model adj -19
24
24
24
25
25
25
25
25
27
54
83
84
84
83
83
54
83
146
146
146
146
146
146
146
AD 728×90

Air Quality Index Trend

38h · 1 stn

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.

72.8%
Humidity
41.0 km/h
Wind ENE
1014.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
36
8.6 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Cary?

Temperature & Precipitation

PM2.5 Trend

38h · 1 station
PM2.58.6 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
8.6
Median
8.6
Average
8.6
Low
8.6
High
PM2.5 µg/m³ · Model: 7.0 · Bias: -1.6

What is the 7-day forecast for Cary?

07-22
24.1° 16.5°
07-23
22.9° 16.2°
3.0 mm
07-24
26.8° 14.9°
07-25
22.7° 17.0°
0.44 mm
07-26
25.7° 20.1°
2.81 mm
07-27
24.7° 19.2°
3.56 mm
07-28
30.6° 21.7°
1.25 mm
Both models agree Avg diff: 4.2°C

Where are air quality stations near Cary?

45
Cary, Illinois, USA
1.0 km PM2.5: 10.8 µg/m³
–
a08-968758
24.0 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

What cities are near Cary?

36 Algonquin 36 Crystal Lake 36 Lake in the Hills 36 Carpentersville 33 Lake Zurich 36 McHenry 36 Huntley 36 Round Lake 36 Elgin 36 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 2026-07-22T01:07 UTC.