Schiller Park, 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
Schiller Park, Illinois, United States
AQI Trends: Highest and Lowest
Same Day Analysis (25th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 63 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 25th Oct - 26th Oct 2025
Schiller Park, Illinois, United States
7 AM25th Oct 2025
6 PM
6 AM26th Oct 2025
64AQI
41AQI
68AQI
49AQI
In the last 24 hours,
Schiller Park's AQI reached its highest point of 68 at 6 AM during the Night, while the lowest point, 41, was recorded at 3 PM during the Day between 25th Oct and 26th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Schiller Park, Illinois, United States
22°C14/32°C
24°C16/32°C
22°C16/29°C
23°C15/34°C
22°C17/31°C
21°C16/25°C
22°C14/32°C
25°C18/34°C
25°C19/34°C
25°C18/32°C
23°C18/31°C
16°C11/19°C
13°C9/17°C
13°C8/19°C
15°C8/21°C
15°C9/19°C
15°C9/21°C
18°C13/26°C
16°C13/20°C
15°C13/16°C
16°C12/23°C
20°C14/28°C
20°C17/24°C
13°C7/16°C
11°C5/18°C
10°C7/13°C
8°C7/10°C
7°C4/12°C
7°C1/15°C
8°C2/15°C
--°C/°C
45AQI
39AQI
45AQI
39AQI
2025 Days Vs Air Quality
Schiller Park, Illinois, United States
68%
145
31%
66
0.9%
2
Total number of days with different AQI categories in last 299 days in 2025 (66 days remaining)
Under WHO’s Safe Air Quality Limits: 68%
Health Risk Level:
Moderate
In 2025, 68% of 299 days were within WHO’s safe air quality limits, and 32% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Schiller Park, Illinois, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
51AQI
44AQI
34AQI
32AQI
19AQI
22AQI
39AQI
27AQI
26AQI
23AQI
25AQI
26AQI
20AQI
36AQI
49AQI
47AQI
52AQI
42AQI
33AQI
20AQI
22AQI
36AQI
52AQI
42AQI
40AQI
20AQI
33AQI
28AQI
39AQI
28AQI
24AQI
29AQI
33AQI
30AQI
24AQI
29AQI
26AQI
15AQI
16AQI
20AQI
35AQI
37AQI
17AQI
20AQI
29AQI
21AQI
33AQI
34AQI
29AQI
43AQI
32AQI
21AQI
20AQI
17AQI
24AQI
17AQI
15AQI
21AQI
18AQI
15AQI
22AQI
26AQI
31AQI
38AQI
46AQI
40AQI
37AQI
42AQI
57AQI
57AQI
93AQI
80AQI
83AQI
78AQI
72AQI
62AQI
75AQI
83AQI
77AQI
63AQI
51AQI
56AQI
53AQI
41AQI
35AQI
45AQI
46AQI
50AQI
58AQI
42AQI
36AQI
50AQI
38AQI
26AQI
40AQI
35AQI
37AQI
54AQI
53AQI
56AQI
71AQI
51AQI
54AQI
64AQI
51AQI
46AQI
44AQI
29AQI
59AQI
75AQI
80AQI
50AQI
25AQI
29AQI
40AQI
30AQI
78AQI
79AQI
65AQI
57AQI
34AQI
40AQI
38AQI
49AQI
50AQI
50AQI
122AQI
104AQI
90AQI
94AQI
90AQI
87AQI
96AQI
69AQI
60AQI
59AQI
53AQI
50AQI
45AQI
54AQI
65AQI
74AQI
59AQI
36AQI
38AQI
27AQI
19AQI
19AQI
36AQI
36AQI
22AQI
20AQI
29AQI
40AQI
36AQI
19AQI
22AQI
31AQI
40AQI
45AQI
53AQI
44AQI
43AQI
21AQI
24AQI
31AQI
35AQI
52AQI
50AQI
49AQI
59AQI
61AQI
56AQI
57AQI
56AQI
59AQI
58AQI
58AQI
54AQI
41AQI
45AQI
22AQI
27AQI
41AQI
43AQI
46AQI
45AQI
48AQI
40AQI
45AQI
64AQI
69AQI
60AQI
50AQI
23AQI
33AQI
35AQI
52AQI
31AQI
38AQI
60AQI
57AQI
22AQI
32AQI
42AQI
69AQI
31AQI
25AQI
22AQI
13AQI
17AQI
30AQI
63AQI
36AQI
32AQI
26AQI
55AQI
54AQI
51AQI
45AQI
41AQI
No. of days
202543AQI
Highest AQI recorded in
June55AQI
Lowest AQI recorded in
May26AQI
Most & Least Polluted Years Over the Last 1 Years
Schiller Park's annual 2025 AQI (43) shows an average percentage change of NaN% (improved AQI) compared to previous years: .