Joe Perez, Portage, Indiana, 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
Joe Perez, Portage, Indiana, 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 58 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Joe Perez, Portage, Indiana, United States
6 AM4th Oct 2025
6 PM
5 AM5th Oct 2025
62AQI
55AQI
68AQI
58AQI
In the last 24 hours,
Joe Perez's AQI reached its highest point of 68 at 12 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Joe Perez, Portage, Indiana, United States
17°C11/22°C
15°C7/21°C
15°C8/20°C
14°C4/22°C
16°C6/24°C
19°C12/26°C
19°C13/25°C
20°C12/29°C
21°C14/30°C
22°C15/29°C
20°C13/28°C
19°C14/27°C
19°C13/25°C
19°C12/28°C
22°C14/31°C
22°C18/26°C
23°C18/30°C
23°C18/29°C
21°C17/26°C
20°C18/22°C
18°C15/24°C
20°C11/30°C
23°C15/33°C
21°C14/28°C
21°C13/32°C
20°C14/29°C
20°C13/29°C
21°C12/30°C
24°C16/33°C
25°C17/34°C
--°C/°C
44AQI
44AQI
49AQI
44AQI
2025 Days Vs Air Quality
Joe Perez, Portage, Indiana, United States
70%
133
29%
55
2%
3
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 70%
Health Risk Level:
Low
In 2025, 70% of 278 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
Joe Perez, Portage, Indiana, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
50AQI
43AQI
36AQI
32AQI
18AQI
18AQI
33AQI
26AQI
37AQI
19AQI
19AQI
32AQI
24AQI
27AQI
43AQI
37AQI
53AQI
40AQI
36AQI
25AQI
25AQI
35AQI
49AQI
40AQI
33AQI
23AQI
31AQI
41AQI
55AQI
22AQI
17AQI
22AQI
28AQI
36AQI
24AQI
28AQI
29AQI
18AQI
18AQI
25AQI
36AQI
40AQI
26AQI
32AQI
38AQI
26AQI
38AQI
32AQI
43AQI
50AQI
48AQI
40AQI
38AQI
18AQI
25AQI
24AQI
17AQI
20AQI
23AQI
23AQI
22AQI
34AQI
33AQI
42AQI
46AQI
37AQI
33AQI
43AQI
57AQI
70AQI
108AQI
82AQI
75AQI
70AQI
66AQI
57AQI
66AQI
75AQI
74AQI
65AQI
47AQI
55AQI
46AQI
38AQI
31AQI
39AQI
41AQI
45AQI
56AQI
54AQI
39AQI
42AQI
34AQI
21AQI
34AQI
34AQI
35AQI
54AQI
55AQI
58AQI
74AQI
58AQI
48AQI
67AQI
53AQI
45AQI
48AQI
36AQI
53AQI
76AQI
83AQI
53AQI
30AQI
27AQI
37AQI
30AQI
58AQI
74AQI
60AQI
57AQI
39AQI
34AQI
31AQI
39AQI
43AQI
48AQI
108AQI
104AQI
77AQI
77AQI
72AQI
83AQI
87AQI
66AQI
58AQI
56AQI
53AQI
48AQI
49AQI
49AQI
66AQI
71AQI
58AQI
39AQI
36AQI
26AQI
18AQI
22AQI
33AQI
36AQI
26AQI
21AQI
30AQI
36AQI
37AQI
19AQI
27AQI
40AQI
41AQI
44AQI
48AQI
46AQI
44AQI
22AQI
32AQI
29AQI
32AQI
50AQI
54AQI
51AQI
55AQI
58AQI
54AQI
53AQI
54AQI
57AQI
56AQI
56AQI
55AQI
36AQI
40AQI
24AQI
23AQI
36AQI
41AQI
48AQI
47AQI
47AQI
45AQI
42AQI
58AQI
36AQI
32AQI
31AQI
53AQI
52AQI
49AQI
44AQI
48AQI
No. of days
202543AQI
Highest AQI recorded in
June53AQI
Lowest AQI recorded in
May31AQI
Most & Least Polluted Years Over the Last 1 Years
Joe Perez's annual 2025 AQI (43) shows an average percentage change of NaN% (improved AQI) compared to previous years: .