Diadem, Diadema, State Of Sao Paulo, 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
Diadem, Diadema, State Of Sao Paulo, Brazil
AQI Trends: Highest and Lowest
Same Day Analysis (6th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 85 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Oct - 7th Oct 2025
Diadem, Diadema, State Of Sao Paulo, Brazil
5 AM6th Oct 2025
6 PM
4 AM7th Oct 2025
95AQI
79AQI
AQI
AQI
In the last 24 hours,
Diadem's AQI reached its highest point of 95 at 5 AM during the Day, while the lowest point, undefined, was recorded at 4 AM during the Night between 6th Oct and 7th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Diadem, Diadema, State Of Sao Paulo, Brazil
16°C15/18°C
20°C16/27°C
24°C16/30°C
19°C15/26°C
20°C13/30°C
16°C14/21°C
15°C14/19°C
17°C14/24°C
19°C14/27°C
19°C15/26°C
18°C15/22°C
18°C14/24°C
21°C16/29°C
25°C19/32°C
27°C22/34°C
23°C17/30°C
16°C14/19°C
15°C14/18°C
14°C13/14°C
14°C12/16°C
16°C11/22°C
20°C13/28°C
21°C17/28°C
23°C16/31°C
21°C17/28°C
19°C17/24°C
21°C17/27°C
21°C17/25°C
25°C18/33°C
27°C18/35°C
--°C/°C
58AQI
58AQI
60AQI
58AQI
2025 Days Vs Air Quality
Diadem, Diadema, State Of Sao Paulo, Brazil
47%
131
53%
147
0.3%
1
Total number of days with different AQI categories in last 280 days in 2025 (85 days remaining)
Under WHO’s Safe Air Quality Limits: 47%
Health Risk Level:
Significant
In 2025, 47% of 280 days were within WHO’s safe air quality limits, and 53% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Diadem, Diadema, State Of Sao Paulo, Brazil
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
58AQI
49AQI
50AQI
38AQI
44AQI
38AQI
47AQI
38AQI
38AQI
37AQI
37AQI
30AQI
29AQI
30AQI
38AQI
49AQI
37AQI
43AQI
45AQI
43AQI
41AQI
56AQI
46AQI
61AQI
52AQI
41AQI
43AQI
58AQI
49AQI
43AQI
38AQI
32AQI
30AQI
27AQI
35AQI
49AQI
50AQI
55AQI
53AQI
53AQI
55AQI
56AQI
56AQI
55AQI
57AQI
59AQI
55AQI
58AQI
59AQI
55AQI
57AQI
56AQI
50AQI
54AQI
51AQI
54AQI
56AQI
56AQI
58AQI
57AQI
57AQI
56AQI
48AQI
56AQI
55AQI
52AQI
54AQI
56AQI
54AQI
56AQI
56AQI
60AQI
54AQI
53AQI
48AQI
47AQI
50AQI
45AQI
43AQI
46AQI
48AQI
51AQI
49AQI
54AQI
52AQI
53AQI
53AQI
58AQI
56AQI
57AQI
56AQI
58AQI
55AQI
55AQI
46AQI
41AQI
37AQI
39AQI
43AQI
40AQI
39AQI
38AQI
42AQI
35AQI
42AQI
43AQI
48AQI
43AQI
45AQI
33AQI
33AQI
32AQI
36AQI
41AQI
36AQI
44AQI
46AQI
48AQI
40AQI
48AQI
43AQI
45AQI
51AQI
52AQI
51AQI
55AQI
56AQI
58AQI
56AQI
50AQI
33AQI
37AQI
36AQI
36AQI
41AQI
46AQI
49AQI
49AQI
53AQI
57AQI
62AQI
59AQI
38AQI
42AQI
39AQI
48AQI
47AQI
47AQI
36AQI
51AQI
47AQI
59AQI
51AQI
56AQI
52AQI
51AQI
46AQI
52AQI
44AQI
37AQI
33AQI
27AQI
26AQI
29AQI
39AQI
51AQI
57AQI
65AQI
75AQI
78AQI
76AQI
74AQI
74AQI
68AQI
48AQI
58AQI
58AQI
58AQI
54AQI
58AQI
59AQI
43AQI
29AQI
27AQI
26AQI
30AQI
51AQI
48AQI
57AQI
53AQI
49AQI
51AQI
60AQI
57AQI
59AQI
71AQI
94AQI
98AQI
107AQI
75AQI
64AQI
60AQI
79AQI
82AQI
67AQI
65AQI
63AQI
71AQI
58AQI
43AQI
51AQI
48AQI
51AQI
70AQI
77AQI
80AQI
65AQI
36AQI
55AQI
72AQI
40AQI
35AQI
30AQI
35AQI
51AQI
78AQI
58AQI
47AQI
54AQI
68AQI
61AQI
59AQI
73AQI
76AQI
78AQI
71AQI
42AQI
41AQI
49AQI
51AQI
54AQI
41AQI
44AQI
42AQI
37AQI
39AQI
55AQI
84AQI
38AQI
31AQI
41AQI
59AQI
56AQI
62AQI
63AQI
41AQI
43AQI
53AQI
62AQI
53AQI
37AQI
43AQI
77AQI
90AQI
64AQI
48AQI
40AQI
25AQI
25AQI
31AQI
59AQI
81AQI
88AQI
84AQI
65AQI
73AQI
80AQI
83AQI
85AQI
43AQI
51AQI
53AQI
43AQI
47AQI
54AQI
59AQI
56AQI
52AQI
78AQI
No. of days
202552AQI
Highest AQI recorded in
October78AQI
Lowest AQI recorded in
April43AQI
202437AQI
Highest AQI recorded in
September90AQI
Lowest AQI recorded in
March22AQI
202326AQI
Highest AQI recorded in
September32AQI
Lowest AQI recorded in
December18AQI
202225AQI
Highest AQI recorded in
July36AQI
Lowest AQI recorded in
December20AQI
202125AQI
Highest AQI recorded in
August32AQI
Lowest AQI recorded in
April19AQI
202026AQI
Highest AQI recorded in
September34AQI
Lowest AQI recorded in
December21AQI
Most & Least Polluted Years Over the Last 6 Years
Diadem's annual 2025 AQI (52) shows an average percentage change of 92.2% (worsened AQI) compared to previous years: 2020 (26), 2021 (25), 2022 (25), 2023 (26), 2024 (37).