East Side, Chicago, 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
East Side, Chicago, Illinois, United States
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 53 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
East Side, Chicago, Illinois, United States
6 AM3rd Oct 2025
6 PM
5 AM4th Oct 2025
65AQI
42AQI
76AQI
54AQI
In the last 24 hours,
East Side's AQI reached its highest point of 76 at 7 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
East Side, Chicago, Illinois, United States
16°C11/22°C
18°C14/23°C
15°C8/22°C
15°C9/21°C
16°C7/24°C
18°C9/25°C
21°C14/30°C
20°C17/25°C
22°C14/31°C
24°C17/34°C
23°C18/30°C
22°C16/29°C
22°C17/29°C
22°C17/30°C
22°C16/31°C
24°C18/33°C
24°C19/30°C
23°C18/31°C
22°C18/29°C
21°C18/29°C
20°C16/22°C
18°C15/23°C
21°C12/30°C
23°C15/33°C
21°C15/27°C
22°C14/32°C
21°C14/30°C
20°C13/26°C
21°C12/31°C
24°C16/34°C
--°C/°C
44AQI
44AQI
48AQI
44AQI
2025 Days Vs Air Quality
East Side, Chicago, Illinois, United States
66%
127
33%
63
0.5%
1
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 66%
Health Risk Level:
Moderate
In 2025, 66% of 277 days were within WHO’s safe air quality limits, and 34% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
East Side, Chicago, Illinois, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
53AQI
46AQI
41AQI
36AQI
20AQI
23AQI
39AQI
31AQI
37AQI
24AQI
25AQI
28AQI
22AQI
34AQI
51AQI
46AQI
57AQI
43AQI
37AQI
20AQI
21AQI
41AQI
54AQI
45AQI
42AQI
22AQI
34AQI
34AQI
55AQI
25AQI
19AQI
30AQI
36AQI
40AQI
25AQI
34AQI
32AQI
19AQI
18AQI
23AQI
41AQI
42AQI
19AQI
23AQI
36AQI
24AQI
38AQI
35AQI
33AQI
45AQI
45AQI
24AQI
21AQI
19AQI
28AQI
29AQI
15AQI
24AQI
18AQI
16AQI
21AQI
27AQI
32AQI
43AQI
46AQI
39AQI
36AQI
42AQI
57AQI
61AQI
100AQI
86AQI
81AQI
77AQI
72AQI
62AQI
72AQI
81AQI
77AQI
66AQI
51AQI
55AQI
48AQI
39AQI
33AQI
46AQI
43AQI
46AQI
57AQI
51AQI
34AQI
49AQI
43AQI
25AQI
38AQI
38AQI
35AQI
55AQI
55AQI
57AQI
70AQI
55AQI
52AQI
70AQI
55AQI
45AQI
47AQI
33AQI
55AQI
73AQI
82AQI
53AQI
26AQI
31AQI
36AQI
28AQI
61AQI
74AQI
62AQI
56AQI
36AQI
36AQI
32AQI
45AQI
49AQI
46AQI
106AQI
94AQI
75AQI
79AQI
76AQI
85AQI
94AQI
66AQI
60AQI
57AQI
53AQI
51AQI
46AQI
50AQI
67AQI
72AQI
59AQI
36AQI
35AQI
27AQI
17AQI
19AQI
35AQI
35AQI
23AQI
19AQI
29AQI
39AQI
36AQI
18AQI
26AQI
36AQI
36AQI
40AQI
53AQI
47AQI
46AQI
22AQI
29AQI
29AQI
33AQI
51AQI
50AQI
50AQI
57AQI
60AQI
55AQI
54AQI
53AQI
57AQI
59AQI
59AQI
54AQI
40AQI
46AQI
22AQI
23AQI
37AQI
39AQI
47AQI
41AQI
43AQI
43AQI
41AQI
53AQI
39AQI
35AQI
29AQI
56AQI
52AQI
49AQI
44AQI
46AQI
No. of days
202544AQI
Highest AQI recorded in
June56AQI
Lowest AQI recorded in
May29AQI
Most & Least Polluted Years Over the Last 1 Years
East Side's annual 2025 AQI (44) shows an average percentage change of NaN% (improved AQI) compared to previous years: .