Sao Sebastiao, 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
Sao Sebastiao, State Of Sao Paulo, Brazil
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 4 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
Sao Sebastiao, State Of Sao Paulo, Brazil
5 AM4th Oct 2025
5 PM
4 AM5th Oct 2025
63AQI
57AQI
64AQI
59AQI
In the last 24 hours,
Sao Sebastiao's AQI reached its highest point of 64 at 9 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Sao Sebastiao, State Of Sao Paulo, Brazil
20°C16/23°C
19°C18/19°C
19°C18/19°C
20°C19/21°C
21°C19/28°C
20°C17/22°C
19°C16/23°C
19°C17/21°C
19°C18/20°C
19°C18/21°C
20°C18/24°C
20°C17/24°C
20°C17/23°C
20°C17/23°C
21°C18/24°C
21°C18/27°C
23°C19/29°C
22°C18/28°C
19°C17/20°C
19°C18/20°C
18°C17/18°C
17°C16/19°C
18°C16/21°C
19°C16/23°C
20°C18/24°C
21°C18/25°C
21°C18/25°C
21°C19/24°C
21°C20/24°C
21°C19/25°C
--°C/°C
47AQI
44AQI
49AQI
43AQI
2025 Days Vs Air Quality
Sao Sebastiao, State Of Sao Paulo, Brazil
46%
127
53%
147
1%
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: 46%
Health Risk Level:
Significant
In 2025, 46% of 278 days were within WHO’s safe air quality limits, and 54% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Sao Sebastiao, State Of Sao Paulo, Brazil
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
104AQI
99AQI
90AQI
65AQI
52AQI
81AQI
83AQI
50AQI
53AQI
49AQI
49AQI
48AQI
48AQI
59AQI
44AQI
65AQI
56AQI
56AQI
56AQI
56AQI
59AQI
57AQI
57AQI
61AQI
54AQI
61AQI
57AQI
55AQI
55AQI
59AQI
59AQI
56AQI
56AQI
51AQI
56AQI
52AQI
57AQI
96AQI
92AQI
79AQI
89AQI
132AQI
107AQI
64AQI
63AQI
60AQI
62AQI
68AQI
79AQI
57AQI
52AQI
51AQI
57AQI
45AQI
50AQI
49AQI
58AQI
62AQI
61AQI
61AQI
56AQI
57AQI
60AQI
56AQI
57AQI
53AQI
53AQI
56AQI
57AQI
53AQI
62AQI
61AQI
59AQI
54AQI
52AQI
58AQI
56AQI
58AQI
60AQI
69AQI
70AQI
64AQI
66AQI
63AQI
62AQI
54AQI
53AQI
52AQI
49AQI
38AQI
55AQI
54AQI
51AQI
39AQI
33AQI
24AQI
23AQI
28AQI
40AQI
45AQI
38AQI
33AQI
39AQI
36AQI
30AQI
28AQI
35AQI
26AQI
49AQI
32AQI
27AQI
26AQI
30AQI
33AQI
31AQI
26AQI
28AQI
41AQI
37AQI
36AQI
33AQI
32AQI
34AQI
35AQI
44AQI
39AQI
45AQI
48AQI
50AQI
48AQI
39AQI
40AQI
36AQI
38AQI
42AQI
45AQI
39AQI
39AQI
41AQI
46AQI
52AQI
48AQI
35AQI
31AQI
30AQI
32AQI
40AQI
41AQI
39AQI
50AQI
40AQI
53AQI
43AQI
52AQI
46AQI
50AQI
46AQI
35AQI
37AQI
26AQI
32AQI
25AQI
29AQI
30AQI
35AQI
41AQI
48AQI
50AQI
58AQI
57AQI
60AQI
57AQI
56AQI
54AQI
43AQI
49AQI
52AQI
55AQI
53AQI
55AQI
53AQI
49AQI
41AQI
34AQI
32AQI
32AQI
41AQI
38AQI
45AQI
49AQI
48AQI
47AQI
50AQI
53AQI
53AQI
60AQI
62AQI
64AQI
65AQI
63AQI
55AQI
53AQI
57AQI
56AQI
58AQI
57AQI
56AQI
55AQI
56AQI
51AQI
42AQI
46AQI
54AQI
63AQI
74AQI
72AQI
68AQI
55AQI
56AQI
51AQI
41AQI
30AQI
42AQI
51AQI
56AQI
62AQI
60AQI
55AQI
59AQI
61AQI
59AQI
60AQI
74AQI
79AQI
75AQI
64AQI
47AQI
39AQI
42AQI
51AQI
49AQI
43AQI
50AQI
48AQI
48AQI
53AQI
46AQI
60AQI
43AQI
40AQI
42AQI
54AQI
55AQI
57AQI
57AQI
53AQI
48AQI
47AQI
47AQI
57AQI
43AQI
43AQI
49AQI
53AQI
53AQI
48AQI
33AQI
19AQI
16AQI
20AQI
21AQI
43AQI
53AQI
57AQI
55AQI
55AQI
58AQI
61AQI
66AQI
57AQI
35AQI
40AQI
46AQI
51AQI
56AQI
45AQI
56AQI
No. of days
202551AQI
Highest AQI recorded in
February66AQI
Lowest AQI recorded in
April35AQI
202441AQI
Highest AQI recorded in
December70AQI
Lowest AQI recorded in
February22AQI
202336AQI
Highest AQI recorded in
September44AQI
Lowest AQI recorded in
April28AQI
202224AQI
Highest AQI recorded in
October35AQI
Lowest AQI recorded in
December20AQI
Most & Least Polluted Years Over the Last 4 Years
Sao Sebastiao's annual 2025 AQI (51) shows an average percentage change of 59.3% (worsened AQI) compared to previous years: 2022 (24), 2023 (36), 2024 (41).