Pilar, Iguacu, Rio de Janeiro, Brazil Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Pilar, Iguacu, Rio de Janeiro, Brazil
AQI Trends: Highest and Lowest
Same Day Analysis (10th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 44 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Pilar, Iguacu, Rio de Janeiro, Brazil
6 AM10th Aug 2025
5 PM
5 AM11th Aug 2025
49AQI
38AQI
45AQI
28AQI
In the last 24 hours,
Pilar's AQI reached its highest point of 49 at 6 AM during the Day, while the lowest point, 28, was recorded at 4 AM during the Night between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Pilar, Iguacu, Rio de Janeiro, Brazil
20°C16/25°C
19°C15/25°C
19°C15/25°C
19°C15/25°C
19°C14/25°C
21°C15/28°C
22°C16/31°C
20°C16/24°C
19°C15/25°C
20°C16/26°C
21°C16/28°C
21°C18/27°C
20°C17/22°C
21°C18/25°C
21°C18/27°C
22°C17/29°C
25°C20/33°C
19°C17/19°C
17°C14/22°C
17°C13/22°C
18°C14/25°C
20°C14/28°C
22°C15/30°C
22°C17/30°C
20°C17/25°C
21°C17/27°C
21°C16/27°C
23°C17/33°C
19°C16/20°C
18°C15/23°C
--°C/°C
57AQI
57AQI
59AQI
59AQI
2025 Days Vs Air Quality
Pilar, Iguacu, Rio de Janeiro, Brazil
77%
170
23%
52
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 223 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
Pilar, Iguacu, Rio de Janeiro, Brazil
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
48AQI
49AQI
48AQI
48AQI
50AQI
50AQI
50AQI
51AQI
52AQI
51AQI
50AQI
48AQI
48AQI
49AQI
48AQI
48AQI
49AQI
49AQI
49AQI
48AQI
47AQI
48AQI
49AQI
50AQI
50AQI
51AQI
51AQI
51AQI
50AQI
48AQI
47AQI
46AQI
46AQI
46AQI
46AQI
46AQI
48AQI
48AQI
48AQI
49AQI
50AQI
50AQI
52AQI
54AQI
54AQI
54AQI
56AQI
59AQI
61AQI
63AQI
62AQI
62AQI
61AQI
62AQI
61AQI
59AQI
58AQI
58AQI
57AQI
57AQI
56AQI
56AQI
54AQI
53AQI
52AQI
50AQI
50AQI
48AQI
46AQI
44AQI
43AQI
43AQI
43AQI
41AQI
40AQI
38AQI
38AQI
37AQI
34AQI
33AQI
34AQI
34AQI
34AQI
34AQI
35AQI
35AQI
35AQI
37AQI
39AQI
38AQI
39AQI
39AQI
40AQI
40AQI
39AQI
37AQI
36AQI
33AQI
32AQI
32AQI
32AQI
33AQI
32AQI
32AQI
30AQI
30AQI
30AQI
29AQI
30AQI
30AQI
30AQI
28AQI
29AQI
29AQI
28AQI
27AQI
27AQI
29AQI
28AQI
28AQI
28AQI
27AQI
29AQI
30AQI
32AQI
32AQI
33AQI
35AQI
35AQI
35AQI
32AQI
31AQI
30AQI
29AQI
30AQI
31AQI
33AQI
31AQI
33AQI
33AQI
36AQI
37AQI
33AQI
33AQI
32AQI
33AQI
36AQI
36AQI
35AQI
38AQI
37AQI
40AQI
39AQI
41AQI
38AQI
38AQI
35AQI
36AQI
33AQI
35AQI
32AQI
30AQI
28AQI
29AQI
29AQI
31AQI
35AQI
41AQI
41AQI
40AQI
42AQI
43AQI
43AQI
42AQI
35AQI
34AQI
31AQI
33AQI
34AQI
36AQI
37AQI
37AQI
32AQI
30AQI
32AQI
30AQI
28AQI
29AQI
30AQI
31AQI
35AQI
35AQI
36AQI
39AQI
47AQI
60AQI
67AQI
70AQI
75AQI
67AQI
63AQI
60AQI
67AQI
70AQI
68AQI
63AQI
58AQI
60AQI
56AQI
50AQI
51AQI
50AQI
51AQI
65AQI
72AQI
68AQI
67AQI
58AQI
56AQI
60AQI
47AQI
44AQI
49AQI
54AQI
42AQI
32AQI
33AQI
36AQI
49AQI
59AQI
No. of days
202543AQI
Highest AQI recorded in
August59AQI
Lowest AQI recorded in
April32AQI
202449AQI
Highest AQI recorded in
September89AQI
Lowest AQI recorded in
March25AQI
202328AQI
Highest AQI recorded in
November35AQI
Lowest AQI recorded in
December28AQI
202238AQI
Highest AQI recorded in
October53AQI
Lowest AQI recorded in
December27AQI
Most & Least Polluted Years Over the Last 4 Years
Pilar's annual 2025 AQI (43) shows an average percentage change of 16.6% (worsened AQI) compared to previous years: 2022 (38), 2023 (28), 2024 (49).