79 25 de Mayo, Caseros, Buenos Aires, Argentina 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
79 25 de Mayo, Caseros, Buenos Aires, Argentina
AQI Trends: Highest and Lowest
Same Day Analysis (22nd September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 20 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 22nd Sep - 23rd Sep 2025
79 25 de Mayo, Caseros, Buenos Aires, Argentina
7 AM22nd Sep 2025
6 PM
6 AM23rd Sep 2025
24AQI
14AQI
24AQI
16AQI
In the last 24 hours,
79 25 de Mayo's AQI reached its highest point of 24 at 5 PM during the Day, while the lowest point, 14, was recorded at 7 AM during the Day between 22nd Sep and 23rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
79 25 de Mayo, Caseros, Buenos Aires, Argentina
10°C5/15°C
13°C8/19°C
14°C11/19°C
14°C11/19°C
15°C11/20°C
16°C13/21°C
17°C14/20°C
16°C15/18°C
13°C10/14°C
11°C9/13°C
13°C10/18°C
8°C6/11°C
8°C4/12°C
9°C5/13°C
10°C6/14°C
13°C10/17°C
14°C9/20°C
16°C11/22°C
16°C11/21°C
15°C11/19°C
15°C11/20°C
16°C13/21°C
16°C13/21°C
16°C12/20°C
18°C13/23°C
18°C16/22°C
18°C15/21°C
17°C15/19°C
14°C11/16°C
13°C9/18°C
--°C/°C
49AQI
43AQI
55AQI
44AQI
2025 Days Vs Air Quality
79 25 de Mayo, Caseros, Buenos Aires, Argentina
75%
198
25%
67
Total number of days with different AQI categories in last 266 days in 2025 (99 days remaining)
Under WHO’s Safe Air Quality Limits: 75%
Health Risk Level:
Low
In 2025, 75% of 266 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
79 25 de Mayo, Caseros, Buenos Aires, Argentina
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
47AQI
46AQI
46AQI
45AQI
49AQI
44AQI
43AQI
39AQI
41AQI
42AQI
44AQI
41AQI
40AQI
40AQI
41AQI
42AQI
40AQI
41AQI
44AQI
42AQI
42AQI
40AQI
40AQI
48AQI
47AQI
50AQI
55AQI
50AQI
50AQI
48AQI
48AQI
46AQI
46AQI
44AQI
47AQI
46AQI
45AQI
48AQI
47AQI
49AQI
47AQI
49AQI
51AQI
54AQI
53AQI
51AQI
52AQI
52AQI
50AQI
52AQI
53AQI
52AQI
52AQI
51AQI
50AQI
51AQI
50AQI
53AQI
49AQI
48AQI
45AQI
43AQI
46AQI
47AQI
42AQI
41AQI
40AQI
44AQI
42AQI
44AQI
42AQI
46AQI
43AQI
41AQI
41AQI
41AQI
44AQI
44AQI
43AQI
43AQI
45AQI
42AQI
43AQI
48AQI
46AQI
48AQI
47AQI
51AQI
47AQI
48AQI
45AQI
48AQI
48AQI
46AQI
41AQI
42AQI
41AQI
44AQI
43AQI
42AQI
40AQI
40AQI
41AQI
38AQI
39AQI
40AQI
41AQI
38AQI
43AQI
38AQI
39AQI
40AQI
38AQI
40AQI
39AQI
40AQI
45AQI
44AQI
43AQI
46AQI
46AQI
47AQI
51AQI
51AQI
54AQI
53AQI
55AQI
51AQI
50AQI
47AQI
45AQI
39AQI
43AQI
40AQI
45AQI
49AQI
47AQI
49AQI
47AQI
51AQI
48AQI
48AQI
45AQI
48AQI
44AQI
39AQI
40AQI
42AQI
41AQI
42AQI
44AQI
46AQI
46AQI
45AQI
38AQI
46AQI
44AQI
42AQI
44AQI
46AQI
47AQI
47AQI
41AQI
43AQI
44AQI
36AQI
37AQI
44AQI
41AQI
45AQI
44AQI
40AQI
40AQI
40AQI
36AQI
37AQI
34AQI
38AQI
38AQI
40AQI
39AQI
35AQI
33AQI
43AQI
37AQI
37AQI
38AQI
41AQI
47AQI
51AQI
43AQI
48AQI
53AQI
53AQI
52AQI
45AQI
46AQI
47AQI
41AQI
44AQI
52AQI
42AQI
45AQI
42AQI
41AQI
39AQI
43AQI
42AQI
53AQI
51AQI
56AQI
52AQI
46AQI
51AQI
69AQI
68AQI
69AQI
67AQI
56AQI
48AQI
44AQI
33AQI
57AQI
62AQI
62AQI
71AQI
55AQI
48AQI
72AQI
68AQI
76AQI
58AQI
51AQI
54AQI
54AQI
58AQI
54AQI
53AQI
60AQI
60AQI
56AQI
73AQI
71AQI
58AQI
52AQI
51AQI
41AQI
61AQI
60AQI
50AQI
50AQI
53AQI
47AQI
51AQI
67AQI
50AQI
53AQI
51AQI
50AQI
40AQI
26AQI
28AQI
25AQI
18AQI
20AQI
44AQI
50AQI
44AQI
42AQI
46AQI
42AQI
45AQI
59AQI
46AQI
No. of days
202546AQI
Highest AQI recorded in
August59AQI
Lowest AQI recorded in
June42AQI
202443AQI
Highest AQI recorded in
July55AQI
Lowest AQI recorded in
March13AQI
202323AQI
Highest AQI recorded in
November36AQI
Lowest AQI recorded in
January13AQI
202211AQI
Highest AQI recorded in
October14AQI
Lowest AQI recorded in
December10AQI
Most & Least Polluted Years Over the Last 4 Years
79 25 de Mayo's annual 2025 AQI (46) shows an average percentage change of 147.6% (worsened AQI) compared to previous years: 2022 (11), 2023 (23), 2024 (43).