Paulania, Paulinia, 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
Paulania, Paulinia, State Of Sao Paulo, Brazil
AQI Trends: Highest and Lowest
Same Day Analysis (16th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 61 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Sep - 17th Sep 2025
Paulania, Paulinia, State Of Sao Paulo, Brazil
6 AM16th Sep 2025
5 PM
5 AM17th Sep 2025
64AQI
56AQI
62AQI
48AQI
In the last 24 hours,
Paulania's AQI reached its highest point of 64 at 2 PM during the Day, while the lowest point, 48, was recorded at 4 AM during the Night between 16th Sep and 17th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Paulania, Paulinia, State Of Sao Paulo, Brazil
21°C14/29°C
21°C12/30°C
24°C16/33°C
26°C18/33°C
26°C19/35°C
25°C17/34°C
23°C17/32°C
22°C14/33°C
21°C15/31°C
21°C15/30°C
21°C14/30°C
18°C16/22°C
20°C14/29°C
21°C14/30°C
22°C15/32°C
23°C16/30°C
23°C15/31°C
23°C15/31°C
24°C16/32°C
20°C16/28°C
22°C16/30°C
24°C16/33°C
26°C21/32°C
22°C14/31°C
22°C13/33°C
22°C15/31°C
20°C14/30°C
21°C14/31°C
22°C13/32°C
23°C16/32°C
--°C/°C
61AQI
61AQI
66AQI
60AQI
2025 Days Vs Air Quality
Paulania, Paulinia, State Of Sao Paulo, Brazil
68%
175
32%
84
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Under WHO’s Safe Air Quality Limits: 68%
Health Risk Level:
Moderate
In 2025, 68% of 260 days were within WHO’s safe air quality limits, and 32% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Paulania, Paulinia, State Of Sao Paulo, Brazil
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI
37AQI
35AQI
34AQI
34AQI
36AQI
41AQI
40AQI
42AQI
38AQI
41AQI
36AQI
36AQI
38AQI
33AQI
39AQI
33AQI
36AQI
35AQI
33AQI
37AQI
39AQI
43AQI
38AQI
42AQI
36AQI
39AQI
40AQI
39AQI
40AQI
35AQI
37AQI
32AQI
32AQI
35AQI
36AQI
40AQI
38AQI
43AQI
39AQI
43AQI
41AQI
49AQI
43AQI
49AQI
47AQI
44AQI
46AQI
51AQI
45AQI
51AQI
49AQI
53AQI
47AQI
48AQI
49AQI
47AQI
51AQI
49AQI
49AQI
49AQI
47AQI
48AQI
42AQI
47AQI
42AQI
46AQI
49AQI
47AQI
48AQI
47AQI
52AQI
49AQI
49AQI
42AQI
45AQI
44AQI
42AQI
40AQI
38AQI
39AQI
41AQI
39AQI
46AQI
42AQI
45AQI
44AQI
46AQI
46AQI
43AQI
47AQI
48AQI
47AQI
46AQI
34AQI
34AQI
30AQI
34AQI
39AQI
37AQI
44AQI
40AQI
43AQI
37AQI
42AQI
41AQI
43AQI
38AQI
41AQI
34AQI
36AQI
32AQI
38AQI
41AQI
36AQI
41AQI
43AQI
47AQI
41AQI
45AQI
41AQI
42AQI
46AQI
45AQI
45AQI
49AQI
48AQI
52AQI
51AQI
52AQI
34AQI
34AQI
32AQI
32AQI
35AQI
37AQI
46AQI
46AQI
48AQI
52AQI
57AQI
59AQI
49AQI
49AQI
46AQI
51AQI
49AQI
49AQI
38AQI
51AQI
50AQI
58AQI
51AQI
52AQI
48AQI
49AQI
43AQI
48AQI
46AQI
39AQI
37AQI
36AQI
32AQI
29AQI
35AQI
39AQI
50AQI
54AQI
59AQI
61AQI
64AQI
69AQI
71AQI
62AQI
39AQI
43AQI
53AQI
52AQI
49AQI
48AQI
54AQI
44AQI
33AQI
28AQI
30AQI
31AQI
54AQI
48AQI
52AQI
54AQI
52AQI
54AQI
57AQI
53AQI
53AQI
59AQI
66AQI
71AQI
78AQI
69AQI
67AQI
64AQI
73AQI
78AQI
72AQI
68AQI
64AQI
68AQI
61AQI
47AQI
51AQI
51AQI
52AQI
62AQI
66AQI
63AQI
65AQI
41AQI
50AQI
62AQI
60AQI
54AQI
48AQI
43AQI
54AQI
69AQI
61AQI
56AQI
59AQI
65AQI
63AQI
62AQI
81AQI
91AQI
89AQI
92AQI
59AQI
58AQI
54AQI
52AQI
48AQI
47AQI
44AQI
43AQI
46AQI
50AQI
50AQI
65AQI
62AQI
47AQI
48AQI
59AQI
76AQI
82AQI
86AQI
62AQI
58AQI
56AQI
61AQI
37AQI
44AQI
45AQI
40AQI
46AQI
49AQI
56AQI
60AQI
59AQI
No. of days
202548AQI
Highest AQI recorded in
August60AQI
Lowest AQI recorded in
January37AQI
202444AQI
Highest AQI recorded in
September84AQI
Lowest AQI recorded in
January27AQI
202329AQI
Highest AQI recorded in
August37AQI
Lowest AQI recorded in
January18AQI
202228AQI
Highest AQI recorded in
August40AQI
Lowest AQI recorded in
January21AQI
202129AQI
Highest AQI recorded in
September42AQI
Lowest AQI recorded in
April22AQI
202029AQI
Highest AQI recorded in
July34AQI
Lowest AQI recorded in
March22AQI
Most & Least Polluted Years Over the Last 6 Years
Paulania's annual 2025 AQI (48) shows an average percentage change of 55.7% (worsened AQI) compared to previous years: 2020 (29), 2021 (29), 2022 (28), 2023 (29), 2024 (44).