Manaus, Amazonas, 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
Manaus, Amazonas, Brazil
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 40 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Manaus, Amazonas, Brazil
5 AM29th Sep 2025
5 PM
4 AM30th Sep 2025
50AQI
31AQI
55AQI
45AQI
In the last 24 hours,
Manaus's AQI reached its highest point of 55 at 3 AM during the Night, while the lowest point, 31, was recorded at 6 AM during the Day between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Manaus, Amazonas, Brazil
29°C23/35°C
29°C23/36°C
30°C25/37°C
31°C26/38°C
30°C24/36°C
29°C24/36°C
29°C23/37°C
28°C23/34°C
28°C23/35°C
29°C24/35°C
27°C23/35°C
30°C23/37°C
31°C24/38°C
30°C22/37°C
27°C23/34°C
28°C23/36°C
30°C24/36°C
30°C24/36°C
28°C24/35°C
29°C23/36°C
30°C25/36°C
31°C24/38°C
31°C25/38°C
30°C25/36°C
30°C25/36°C
29°C23/36°C
29°C23/35°C
28°C23/36°C
28°C23/35°C
27°C22/34°C
--°C/°C
47AQI
47AQI
46AQI
46AQI
2025 Days Vs Air Quality
Manaus, Amazonas, Brazil
88%
239
12%
33
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 273 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Manaus, Amazonas, Brazil
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
47AQI
41AQI
40AQI
42AQI
43AQI
41AQI
42AQI
47AQI
50AQI
39AQI
39AQI
42AQI
42AQI
41AQI
50AQI
46AQI
40AQI
39AQI
41AQI
36AQI
39AQI
43AQI
41AQI
37AQI
44AQI
42AQI
40AQI
43AQI
41AQI
44AQI
46AQI
48AQI
48AQI
47AQI
55AQI
51AQI
48AQI
53AQI
46AQI
49AQI
45AQI
43AQI
50AQI
40AQI
44AQI
43AQI
47AQI
46AQI
45AQI
44AQI
48AQI
49AQI
48AQI
45AQI
43AQI
50AQI
51AQI
50AQI
52AQI
53AQI
47AQI
46AQI
47AQI
45AQI
46AQI
41AQI
45AQI
42AQI
43AQI
41AQI
40AQI
41AQI
40AQI
39AQI
41AQI
42AQI
50AQI
43AQI
48AQI
46AQI
45AQI
40AQI
34AQI
47AQI
50AQI
49AQI
49AQI
54AQI
50AQI
51AQI
51AQI
57AQI
52AQI
48AQI
41AQI
39AQI
38AQI
36AQI
49AQI
50AQI
40AQI
43AQI
48AQI
42AQI
38AQI
37AQI
39AQI
43AQI
37AQI
29AQI
33AQI
42AQI
36AQI
41AQI
40AQI
40AQI
44AQI
48AQI
36AQI
46AQI
40AQI
41AQI
42AQI
43AQI
42AQI
45AQI
44AQI
45AQI
40AQI
41AQI
34AQI
28AQI
31AQI
37AQI
45AQI
45AQI
49AQI
42AQI
41AQI
46AQI
44AQI
44AQI
42AQI
42AQI
46AQI
46AQI
45AQI
44AQI
38AQI
44AQI
48AQI
46AQI
50AQI
44AQI
38AQI
34AQI
31AQI
39AQI
42AQI
40AQI
39AQI
39AQI
38AQI
37AQI
38AQI
38AQI
38AQI
37AQI
37AQI
36AQI
42AQI
41AQI
40AQI
39AQI
38AQI
36AQI
32AQI
34AQI
36AQI
35AQI
38AQI
34AQI
35AQI
40AQI
43AQI
37AQI
37AQI
35AQI
36AQI
38AQI
38AQI
40AQI
42AQI
39AQI
39AQI
38AQI
39AQI
41AQI
42AQI
43AQI
41AQI
45AQI
43AQI
45AQI
50AQI
49AQI
47AQI
46AQI
42AQI
38AQI
44AQI
44AQI
50AQI
57AQI
54AQI
53AQI
56AQI
55AQI
50AQI
45AQI
43AQI
41AQI
43AQI
47AQI
51AQI
51AQI
44AQI
42AQI
43AQI
43AQI
42AQI
52AQI
53AQI
53AQI
51AQI
54AQI
48AQI
49AQI
51AQI
48AQI
46AQI
50AQI
46AQI
48AQI
47AQI
45AQI
44AQI
45AQI
52AQI
50AQI
44AQI
44AQI
47AQI
47AQI
55AQI
51AQI
58AQI
57AQI
55AQI
51AQI
53AQI
50AQI
51AQI
45AQI
44AQI
47AQI
45AQI
33AQI
26AQI
38AQI
35AQI
40AQI
42AQI
47AQI
45AQI
42AQI
42AQI
38AQI
41AQI
49AQI
46AQI
No. of days
202544AQI
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
June38AQI
202436AQI
Highest AQI recorded in
September63AQI
Lowest AQI recorded in
April17AQI
202350AQI
Highest AQI recorded in
October121AQI
Lowest AQI recorded in
February14AQI
202244AQI
Highest AQI recorded in
October79AQI
Lowest AQI recorded in
December30AQI
Most & Least Polluted Years Over the Last 4 Years
Manaus's annual 2025 AQI (44) shows an average percentage change of 2.8% (worsened AQI) compared to previous years: 2022 (44), 2023 (50), 2024 (36).