UEA EST, Manaus, Amazonas, 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
UEA EST, Manaus, Amazonas, Brazil
AQI Trends: Highest and Lowest
Same Day Analysis (17th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 72 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Oct - 18th Oct 2025
UEA EST, Manaus, Amazonas, Brazil
5 AM17th Oct 2025
5 PM
4 AM18th Oct 2025
79AQI
48AQI
93AQI
72AQI
In the last 24 hours,
UEA EST's AQI reached its highest point of 93 at 11 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
UEA EST, Manaus, Amazonas, Brazil
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
29°C23/35°C
26°C23/31°C
28°C22/34°C
30°C23/37°C
29°C25/35°C
28°C23/35°C
29°C24/36°C
29°C23/37°C
27°C23/33°C
25°C23/30°C
27°C22/33°C
27°C23/33°C
28°C24/33°C
28°C24/32°C
27°C23/35°C
26°C22/32°C
28°C23/34°C
30°C24/36°C
--°C/°C
52AQI
46AQI
54AQI
50AQI
2025 Days Vs Air Quality
UEA EST, Manaus, Amazonas, Brazil
82%
238
18%
52
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2025, 82% of 291 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
UEA EST, Manaus, Amazonas, Brazil
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
44AQI
40AQI
41AQI
43AQI
44AQI
42AQI
43AQI
46AQI
50AQI
39AQI
39AQI
41AQI
41AQI
40AQI
50AQI
46AQI
40AQI
38AQI
41AQI
37AQI
38AQI
46AQI
42AQI
37AQI
44AQI
43AQI
40AQI
44AQI
38AQI
41AQI
45AQI
47AQI
49AQI
45AQI
54AQI
51AQI
48AQI
53AQI
47AQI
50AQI
47AQI
46AQI
54AQI
39AQI
45AQI
41AQI
48AQI
46AQI
45AQI
46AQI
48AQI
47AQI
45AQI
44AQI
43AQI
49AQI
52AQI
48AQI
52AQI
52AQI
48AQI
45AQI
46AQI
45AQI
46AQI
40AQI
59AQI
43AQI
50AQI
51AQI
47AQI
45AQI
44AQI
39AQI
40AQI
41AQI
52AQI
42AQI
51AQI
48AQI
47AQI
43AQI
35AQI
48AQI
53AQI
49AQI
49AQI
54AQI
49AQI
50AQI
49AQI
56AQI
51AQI
47AQI
39AQI
35AQI
36AQI
34AQI
47AQI
48AQI
39AQI
44AQI
48AQI
42AQI
38AQI
35AQI
38AQI
42AQI
37AQI
28AQI
32AQI
41AQI
36AQI
41AQI
41AQI
40AQI
41AQI
47AQI
35AQI
44AQI
40AQI
41AQI
42AQI
41AQI
43AQI
44AQI
42AQI
42AQI
39AQI
38AQI
33AQI
26AQI
29AQI
36AQI
44AQI
42AQI
47AQI
41AQI
39AQI
45AQI
43AQI
42AQI
42AQI
43AQI
46AQI
46AQI
46AQI
44AQI
37AQI
43AQI
48AQI
45AQI
49AQI
45AQI
41AQI
37AQI
35AQI
40AQI
45AQI
41AQI
42AQI
40AQI
39AQI
38AQI
41AQI
42AQI
39AQI
39AQI
39AQI
38AQI
45AQI
43AQI
43AQI
39AQI
37AQI
35AQI
32AQI
37AQI
41AQI
40AQI
45AQI
39AQI
38AQI
38AQI
39AQI
36AQI
37AQI
36AQI
35AQI
38AQI
37AQI
40AQI
41AQI
41AQI
40AQI
41AQI
38AQI
41AQI
41AQI
42AQI
42AQI
46AQI
41AQI
47AQI
51AQI
49AQI
47AQI
47AQI
42AQI
40AQI
43AQI
44AQI
51AQI
58AQI
55AQI
53AQI
57AQI
55AQI
49AQI
42AQI
39AQI
39AQI
44AQI
50AQI
53AQI
51AQI
43AQI
44AQI
45AQI
45AQI
42AQI
52AQI
53AQI
54AQI
52AQI
54AQI
49AQI
50AQI
52AQI
48AQI
47AQI
51AQI
48AQI
48AQI
47AQI
45AQI
45AQI
46AQI
53AQI
50AQI
45AQI
44AQI
48AQI
47AQI
55AQI
52AQI
58AQI
57AQI
55AQI
49AQI
53AQI
49AQI
50AQI
43AQI
43AQI
46AQI
45AQI
33AQI
26AQI
37AQI
36AQI
41AQI
50AQI
40AQI
47AQI
51AQI
59AQI
45AQI
56AQI
60AQI
61AQI
64AQI
54AQI
67AQI
62AQI
55AQI
54AQI
71AQI
66AQI
72AQI
42AQI
47AQI
47AQI
41AQI
41AQI
40AQI
41AQI
49AQI
47AQI
58AQI
No. of days
202545AQI
Highest AQI recorded in
October58AQI
Lowest AQI recorded in
June40AQI
202438AQI
Highest AQI recorded in
September108AQI
Lowest AQI recorded in
April16AQI
202352AQI
Highest AQI recorded in
October119AQI
Lowest AQI recorded in
February14AQI
202243AQI
Highest AQI recorded in
October73AQI
Lowest AQI recorded in
December30AQI
Most & Least Polluted Years Over the Last 4 Years
UEA EST's annual 2025 AQI (45) shows an average percentage change of 2.3% (worsened AQI) compared to previous years: 2022 (43), 2023 (52), 2024 (38).