Parelheiros, 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!
September Air Quality Analysis
Parelheiros, Diadema, State Of Sao Paulo, Brazil
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 89 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Parelheiros, Diadema, State Of Sao Paulo, Brazil
6 AM21st Sep 2025
5 PM
5 AM22nd Sep 2025
101AQI
60AQI
90AQI
40AQI
In the last 24 hours,
Parelheiros's AQI reached its highest point of 101 at 6 AM during the Day, while the lowest point, 40, was recorded at 2 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Parelheiros, Diadema, State Of Sao Paulo, Brazil
26°C21/32°C
16°C14/19°C
17°C14/25°C
15°C13/19°C
16°C14/21°C
17°C14/23°C
17°C14/21°C
17°C15/23°C
18°C13/24°C
18°C14/25°C
19°C15/26°C
20°C15/27°C
23°C18/29°C
20°C15/28°C
14°C13/16°C
15°C14/16°C
19°C15/27°C
23°C16/29°C
18°C13/26°C
19°C12/29°C
16°C13/21°C
15°C13/19°C
17°C13/24°C
19°C14/27°C
18°C14/26°C
17°C14/21°C
17°C14/24°C
20°C15/29°C
24°C17/32°C
26°C21/34°C
--°C/°C
54AQI
47AQI
53AQI
46AQI
2025 Days Vs Air Quality
Parelheiros, Diadema, State Of Sao Paulo, Brazil
55%
145
44%
116
1%
3
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 55%
Health Risk Level:
Considerable
In 2025, 55% of 265 days were within WHO’s safe air quality limits, and 45% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Parelheiros, Diadema, State Of Sao Paulo, Brazil
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
81AQI
63AQI
41AQI
37AQI
38AQI
42AQI
41AQI
37AQI
35AQI
34AQI
38AQI
23AQI
31AQI
30AQI
36AQI
53AQI
39AQI
45AQI
48AQI
43AQI
41AQI
52AQI
38AQI
60AQI
58AQI
43AQI
34AQI
52AQI
43AQI
38AQI
40AQI
34AQI
34AQI
30AQI
44AQI
52AQI
62AQI
49AQI
46AQI
43AQI
55AQI
62AQI
63AQI
50AQI
43AQI
50AQI
53AQI
63AQI
57AQI
53AQI
56AQI
47AQI
49AQI
39AQI
45AQI
51AQI
49AQI
60AQI
59AQI
58AQI
55AQI
61AQI
50AQI
50AQI
61AQI
41AQI
51AQI
62AQI
39AQI
48AQI
50AQI
49AQI
41AQI
37AQI
24AQI
39AQI
45AQI
27AQI
34AQI
41AQI
49AQI
48AQI
48AQI
58AQI
45AQI
42AQI
54AQI
66AQI
57AQI
53AQI
56AQI
61AQI
52AQI
33AQI
22AQI
24AQI
26AQI
39AQI
49AQI
41AQI
30AQI
45AQI
48AQI
28AQI
35AQI
55AQI
56AQI
44AQI
48AQI
24AQI
24AQI
30AQI
39AQI
49AQI
29AQI
43AQI
58AQI
45AQI
28AQI
36AQI
37AQI
37AQI
55AQI
52AQI
49AQI
56AQI
60AQI
63AQI
62AQI
44AQI
23AQI
29AQI
32AQI
30AQI
42AQI
50AQI
57AQI
54AQI
61AQI
69AQI
73AQI
60AQI
26AQI
34AQI
38AQI
55AQI
53AQI
43AQI
30AQI
55AQI
56AQI
63AQI
54AQI
59AQI
55AQI
46AQI
36AQI
51AQI
40AQI
28AQI
22AQI
23AQI
24AQI
30AQI
46AQI
52AQI
59AQI
61AQI
79AQI
80AQI
82AQI
74AQI
72AQI
67AQI
41AQI
62AQI
73AQI
57AQI
46AQI
60AQI
51AQI
33AQI
22AQI
24AQI
24AQI
33AQI
54AQI
42AQI
58AQI
49AQI
46AQI
53AQI
62AQI
61AQI
58AQI
69AQI
103AQI
113AQI
111AQI
78AQI
58AQI
62AQI
91AQI
79AQI
63AQI
67AQI
73AQI
80AQI
55AQI
32AQI
46AQI
35AQI
50AQI
74AQI
89AQI
80AQI
58AQI
32AQI
53AQI
79AQI
30AQI
34AQI
33AQI
43AQI
58AQI
96AQI
49AQI
45AQI
55AQI
70AQI
61AQI
61AQI
73AQI
78AQI
84AQI
69AQI
37AQI
35AQI
47AQI
44AQI
48AQI
40AQI
46AQI
42AQI
42AQI
48AQI
60AQI
86AQI
34AQI
26AQI
43AQI
60AQI
59AQI
65AQI
59AQI
40AQI
40AQI
54AQI
59AQI
52AQI
29AQI
40AQI
65AQI
89AQI
43AQI
50AQI
48AQI
40AQI
48AQI
53AQI
59AQI
56AQI
52AQI
No. of days
202550AQI
Highest AQI recorded in
July59AQI
Lowest AQI recorded in
April40AQI
202457AQI
Highest AQI recorded in
September91AQI
Lowest AQI recorded in
November39AQI
202352AQI
Highest AQI recorded in
June90AQI
Lowest AQI recorded in
April38AQI
202247AQI
Highest AQI recorded in
July73AQI
Lowest AQI recorded in
November33AQI
202147AQI
Highest AQI recorded in
July66AQI
Lowest AQI recorded in
March23AQI
202052AQI
Highest AQI recorded in
June65AQI
Lowest AQI recorded in
December34AQI
Most & Least Polluted Years Over the Last 6 Years
Parelheiros's annual 2025 AQI (50) shows an average percentage change of -1.6% (improved AQI) compared to previous years: 2020 (52), 2021 (47), 2022 (47), 2023 (52), 2024 (57).