Three Oaks Road, Cary, Illinois, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Three Oaks Road, Cary, Illinois, United States
AQI Trends: Highest and Lowest
Same Day Analysis (13th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 44 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Oct - 14th Oct 2025
Three Oaks Road, Cary, Illinois, United States
6 AM13th Oct 2025
6 PM
5 AM14th Oct 2025
53AQI
35AQI
59AQI
43AQI
In the last 24 hours,
Three Oaks Road's AQI reached its highest point of 59 at 1 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 13th Oct and 14th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Three Oaks Road, Cary, Illinois, United States
22°C16/29°C
21°C16/30°C
21°C13/31°C
21°C12/30°C
22°C15/32°C
22°C16/30°C
21°C18/27°C
22°C18/28°C
22°C16/30°C
21°C16/27°C
18°C15/23°C
18°C12/26°C
21°C13/31°C
23°C14/32°C
21°C15/29°C
22°C13/33°C
21°C14/31°C
20°C15/28°C
22°C14/31°C
24°C17/33°C
24°C17/33°C
23°C17/31°C
22°C17/30°C
16°C12/20°C
12°C8/18°C
11°C5/18°C
13°C8/19°C
13°C7/20°C
15°C8/22°C
16°C11/24°C
--°C/°C
40AQI
40AQI
45AQI
41AQI
2025 Days Vs Air Quality
Three Oaks Road, Cary, Illinois, United States
73%
146
25%
51
2%
4
Total number of days with different AQI categories in last 287 days in 2025 (78 days remaining)
Under WHO’s Safe Air Quality Limits: 73%
Health Risk Level:
Low
In 2025, 73% of 287 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Three Oaks Road, Cary, Illinois, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
44AQI
44AQI
32AQI
28AQI
17AQI
21AQI
32AQI
22AQI
25AQI
22AQI
25AQI
27AQI
19AQI
37AQI
48AQI
52AQI
55AQI
44AQI
33AQI
18AQI
22AQI
35AQI
53AQI
33AQI
40AQI
17AQI
27AQI
25AQI
42AQI
19AQI
16AQI
28AQI
34AQI
28AQI
16AQI
22AQI
25AQI
14AQI
18AQI
18AQI
30AQI
34AQI
15AQI
21AQI
30AQI
21AQI
33AQI
35AQI
32AQI
46AQI
28AQI
17AQI
18AQI
14AQI
21AQI
15AQI
13AQI
16AQI
19AQI
14AQI
25AQI
21AQI
25AQI
33AQI
42AQI
38AQI
39AQI
38AQI
56AQI
62AQI
90AQI
78AQI
80AQI
77AQI
72AQI
60AQI
73AQI
84AQI
66AQI
56AQI
51AQI
54AQI
48AQI
32AQI
30AQI
37AQI
41AQI
45AQI
56AQI
31AQI
27AQI
40AQI
29AQI
22AQI
35AQI
28AQI
30AQI
51AQI
49AQI
45AQI
68AQI
43AQI
54AQI
60AQI
46AQI
42AQI
34AQI
27AQI
64AQI
78AQI
71AQI
51AQI
22AQI
19AQI
31AQI
27AQI
77AQI
68AQI
63AQI
53AQI
27AQI
55AQI
36AQI
39AQI
38AQI
56AQI
146AQI
108AQI
99AQI
113AQI
104AQI
81AQI
94AQI
65AQI
56AQI
56AQI
45AQI
40AQI
31AQI
52AQI
59AQI
67AQI
53AQI
23AQI
18AQI
17AQI
16AQI
18AQI
26AQI
30AQI
19AQI
16AQI
22AQI
31AQI
29AQI
19AQI
22AQI
32AQI
39AQI
34AQI
43AQI
40AQI
37AQI
18AQI
22AQI
32AQI
27AQI
43AQI
48AQI
44AQI
57AQI
59AQI
53AQI
54AQI
50AQI
53AQI
52AQI
50AQI
37AQI
35AQI
31AQI
22AQI
26AQI
33AQI
37AQI
39AQI
34AQI
38AQI
35AQI
40AQI
58AQI
69AQI
57AQI
42AQI
25AQI
31AQI
26AQI
43AQI
29AQI
29AQI
44AQI
33AQI
31AQI
24AQI
51AQI
51AQI
47AQI
40AQI
41AQI
No. of days
202540AQI
Highest AQI recorded in
June51AQI
Lowest AQI recorded in
May24AQI
Most & Least Polluted Years Over the Last 1 Years
Three Oaks Road's annual 2025 AQI (40) shows an average percentage change of NaN% (improved AQI) compared to previous years: .