Cicero, Illinois, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Cicero, Illinois, United States
AQI Trends: Highest and Lowest
Same Day Analysis (5th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 48 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 5th Aug - 6th Aug 2026
Cicero, Illinois, United States
5 AM5th Aug 2026
8 PM
4 AM6th Aug 2026
53AQI
42AQI
48AQI
40AQI
In the last 24 hours,
Cicero's AQI reached its highest point of 53 at 2 PM during the Day, while the lowest point, 40, was recorded at 9 PM during the Night between 5th Aug and 6th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Cicero, Illinois, United States
26°C19/35°C
26°C22/33°C
24°C21/30°C
24°C20/30°C
26°C20/33°C
27°C19/35°C
31°C22/39°C
31°C24/39°C
27°C23/34°C
30°C25/35°C
28°C23/34°C
24°C20/29°C
24°C18/32°C
26°C20/34°C
20°C16/26°C
20°C14/27°C
22°C15/28°C
23°C17/31°C
28°C22/36°C
26°C23/32°C
22°C18/26°C
22°C17/28°C
25°C16/33°C
24°C19/32°C
21°C20/25°C
22°C19/26°C
22°C17/27°C
25°C19/33°C
25°C21/30°C
23°C19/26°C
64AQI
47AQI
61AQI
49AQI
2026 Days Vs Air Quality
Cicero, Illinois, United States
92%
197
7%
14
0.9%
2
0.4%
1
Total number of days with different AQI categories in last 218 days in 2026 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2026, 92% of 218 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Cicero, Illinois, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI (US)
26AQI (US)
28AQI (US)
33AQI (US)
49AQI (US)
75AQI (US)
54AQI (US)
49AQI (US)
24AQI (US)
29AQI (US)
22AQI (US)
21AQI (US)
28AQI (US)
16AQI (US)
13AQI (US)
23AQI (US)
17AQI (US)
16AQI (US)
20AQI (US)
25AQI (US)
35AQI (US)
60AQI (US)
58AQI (US)
47AQI (US)
50AQI (US)
47AQI (US)
36AQI (US)
42AQI (US)
50AQI (US)
59AQI (US)
42AQI (US)
45AQI (US)
50AQI (US)
47AQI (US)
43AQI (US)
51AQI (US)
45AQI (US)
39AQI (US)
41AQI (US)
48AQI (US)
40AQI (US)
32AQI (US)
30AQI (US)
36AQI (US)
42AQI (US)
46AQI (US)
41AQI (US)
42AQI (US)
40AQI (US)
36AQI (US)
36AQI (US)
35AQI (US)
37AQI (US)
37AQI (US)
37AQI (US)
33AQI (US)
29AQI (US)
30AQI (US)
33AQI (US)
38AQI (US)
55AQI (US)
34AQI (US)
41AQI (US)
40AQI (US)
31AQI (US)
36AQI (US)
40AQI (US)
32AQI (US)
32AQI (US)
41AQI (US)
38AQI (US)
37AQI (US)
36AQI (US)
27AQI (US)
37AQI (US)
33AQI (US)
27AQI (US)
38AQI (US)
39AQI (US)
33AQI (US)
32AQI (US)
38AQI (US)
28AQI (US)
28AQI (US)
33AQI (US)
29AQI (US)
28AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
30AQI (US)
23AQI (US)
28AQI (US)
30AQI (US)
30AQI (US)
32AQI (US)
28AQI (US)
30AQI (US)
22AQI (US)
32AQI (US)
28AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
33AQI (US)
27AQI (US)
18AQI (US)
23AQI (US)
23AQI (US)
26AQI (US)
34AQI (US)
17AQI (US)
25AQI (US)
24AQI (US)
27AQI (US)
24AQI (US)
24AQI (US)
20AQI (US)
34AQI (US)
37AQI (US)
27AQI (US)
23AQI (US)
29AQI (US)
30AQI (US)
28AQI (US)
22AQI (US)
27AQI (US)
25AQI (US)
34AQI (US)
47AQI (US)
45AQI (US)
53AQI (US)
51AQI (US)
50AQI (US)
44AQI (US)
41AQI (US)
39AQI (US)
40AQI (US)
40AQI (US)
32AQI (US)
28AQI (US)
15AQI (US)
22AQI (US)
28AQI (US)
27AQI (US)
28AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
32AQI (US)
22AQI (US)
25AQI (US)
26AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
25AQI (US)
22AQI (US)
21AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
20AQI (US)
26AQI (US)
22AQI (US)
17AQI (US)
24AQI (US)
15AQI (US)
25AQI (US)
31AQI (US)
27AQI (US)
27AQI (US)
37AQI (US)
32AQI (US)
25AQI (US)
24AQI (US)
32AQI (US)
44AQI (US)
38AQI (US)
37AQI (US)
37AQI (US)
28AQI (US)
25AQI (US)
39AQI (US)
41AQI (US)
43AQI (US)
36AQI (US)
50AQI (US)
92AQI (US)
188AQI (US)
62AQI (US)
137AQI (US)
124AQI (US)
56AQI (US)
32AQI (US)
36AQI (US)
41AQI (US)
44AQI (US)
52AQI (US)
51AQI (US)
45AQI (US)
33AQI (US)
40AQI (US)
42AQI (US)
42AQI (US)
45AQI (US)
39AQI (US)
47AQI (US)
48AQI (US)
36AQI (US)
39AQI (US)
34AQI (US)
27AQI (US)
33AQI (US)
24AQI (US)
52AQI (US)
44AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
July52AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202541AQI (US)
Highest AQI (US) recorded in
June55AQI (US)
Lowest AQI (US) recorded in
May28AQI (US)
202433AQI (US)
Highest AQI (US) recorded in
February37AQI (US)
Lowest AQI (US) recorded in
April26AQI (US)
202339AQI (US)
Highest AQI (US) recorded in
June70AQI (US)
Lowest AQI (US) recorded in
October30AQI (US)
202235AQI (US)
Highest AQI (US) recorded in
June38AQI (US)
Lowest AQI (US) recorded in
August28AQI (US)
202135AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
September26AQI (US)
202033AQI (US)
Highest AQI (US) recorded in
May49AQI (US)
Lowest AQI (US) recorded in
March23AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Cicero's annual 2026 AQI (US) (35) shows an average percentage change of -2.1% (improved AQI (US)) compared to previous years: 2020 (33), 2021 (35), 2022 (35), 2023 (39), 2024 (33), 2025 (41).