Itg Ilha da Madeira, Iguacu, Rio de Janeiro, Brazil 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
Itg Ilha da Madeira, Iguacu, Rio de Janeiro, Brazil
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 71 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Itg Ilha da Madeira, Iguacu, Rio de Janeiro, Brazil
5 AM3rd Oct 2025
5 PM
4 AM4th Oct 2025
71AQI
59AQI
69AQI
58AQI
In the last 24 hours,
Itg Ilha da Madeira's AQI reached its highest point of 71 at 7 AM during the Day, while the lowest point, 58, was recorded at 4 AM during the Night between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Itg Ilha da Madeira, Iguacu, Rio de Janeiro, Brazil
22°C16/30°C
21°C16/29°C
20°C18/23°C
19°C18/23°C
21°C18/26°C
25°C19/36°C
20°C16/24°C
20°C16/27°C
19°C16/24°C
19°C17/21°C
19°C16/25°C
20°C16/27°C
21°C16/29°C
20°C17/25°C
21°C17/27°C
23°C17/30°C
24°C20/31°C
27°C21/36°C
27°C20/37°C
20°C19/22°C
19°C16/21°C
17°C16/18°C
17°C15/21°C
18°C13/23°C
20°C12/28°C
21°C16/29°C
22°C16/29°C
21°C18/28°C
21°C17/28°C
23°C19/29°C
--°C/°C
48AQI
48AQI
52AQI
49AQI
2025 Days Vs Air Quality
Itg Ilha da Madeira, Iguacu, Rio de Janeiro, Brazil
49%
135
45%
123
6%
17
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 49%
Health Risk Level:
Significant
In 2025, 49% of 277 days were within WHO’s safe air quality limits, and 51% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Itg Ilha da Madeira, Iguacu, Rio de Janeiro, Brazil
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
100AQI
71AQI
77AQI
78AQI
77AQI
90AQI
90AQI
92AQI
96AQI
95AQI
100AQI
108AQI
105AQI
106AQI
101AQI
103AQI
102AQI
103AQI
100AQI
99AQI
96AQI
97AQI
90AQI
88AQI
90AQI
91AQI
81AQI
78AQI
75AQI
76AQI
77AQI
78AQI
84AQI
82AQI
86AQI
88AQI
97AQI
97AQI
101AQI
102AQI
114AQI
109AQI
103AQI
100AQI
97AQI
131AQI
109AQI
103AQI
102AQI
95AQI
92AQI
87AQI
83AQI
79AQI
75AQI
74AQI
72AQI
70AQI
66AQI
66AQI
66AQI
64AQI
65AQI
66AQI
70AQI
63AQI
66AQI
62AQI
62AQI
62AQI
64AQI
62AQI
61AQI
68AQI
63AQI
66AQI
67AQI
76AQI
86AQI
94AQI
103AQI
94AQI
85AQI
78AQI
71AQI
66AQI
62AQI
59AQI
57AQI
56AQI
54AQI
53AQI
51AQI
49AQI
47AQI
45AQI
41AQI
33AQI
31AQI
30AQI
31AQI
32AQI
31AQI
30AQI
26AQI
26AQI
25AQI
25AQI
29AQI
29AQI
29AQI
29AQI
29AQI
29AQI
29AQI
29AQI
29AQI
29AQI
29AQI
29AQI
29AQI
28AQI
29AQI
28AQI
30AQI
31AQI
31AQI
31AQI
32AQI
30AQI
30AQI
28AQI
28AQI
28AQI
28AQI
28AQI
30AQI
27AQI
30AQI
27AQI
31AQI
31AQI
30AQI
29AQI
29AQI
30AQI
31AQI
32AQI
31AQI
34AQI
35AQI
38AQI
37AQI
40AQI
35AQI
37AQI
33AQI
34AQI
32AQI
32AQI
28AQI
25AQI
27AQI
27AQI
28AQI
30AQI
29AQI
34AQI
35AQI
36AQI
35AQI
34AQI
33AQI
33AQI
32AQI
31AQI
28AQI
31AQI
34AQI
37AQI
37AQI
35AQI
29AQI
28AQI
31AQI
28AQI
26AQI
23AQI
24AQI
27AQI
32AQI
34AQI
34AQI
34AQI
42AQI
58AQI
61AQI
64AQI
64AQI
63AQI
58AQI
56AQI
59AQI
57AQI
62AQI
59AQI
57AQI
57AQI
55AQI
51AQI
47AQI
48AQI
51AQI
63AQI
69AQI
66AQI
68AQI
58AQI
53AQI
56AQI
45AQI
40AQI
43AQI
45AQI
53AQI
61AQI
57AQI
53AQI
56AQI
60AQI
58AQI
59AQI
71AQI
76AQI
73AQI
65AQI
55AQI
45AQI
43AQI
50AQI
44AQI
39AQI
44AQI
43AQI
44AQI
45AQI
42AQI
57AQI
45AQI
46AQI
40AQI
53AQI
59AQI
61AQI
62AQI
53AQI
50AQI
48AQI
48AQI
57AQI
40AQI
40AQI
46AQI
46AQI
49AQI
46AQI
32AQI
23AQI
25AQI
22AQI
44AQI
70AQI
66AQI
83AQI
71AQI
91AQI
92AQI
69AQI
34AQI
30AQI
33AQI
45AQI
55AQI
47AQI
77AQI
No. of days
202555AQI
Highest AQI recorded in
February92AQI
Lowest AQI recorded in
May30AQI
202450AQI
Highest AQI recorded in
September88AQI
Lowest AQI recorded in
March25AQI
202326AQI
Highest AQI recorded in
November29AQI
Lowest AQI recorded in
January21AQI
202222AQI
Highest AQI recorded in
October26AQI
Lowest AQI recorded in
November20AQI
Most & Least Polluted Years Over the Last 4 Years
Itg Ilha da Madeira's annual 2025 AQI (55) shows an average percentage change of 90.1% (worsened AQI) compared to previous years: 2022 (22), 2023 (26), 2024 (50).