Darregueira, 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
Darregueira, Buenos Aires, Argentina
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 19 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Darregueira, Buenos Aires, Argentina
7 AM21st Sep 2025
6 PM
6 AM22nd Sep 2025
17AQI
14AQI
35AQI
15AQI
In the last 24 hours,
Darregueira's AQI reached its highest point of 35 at 12 AM during the Night, while the lowest point, 14, was recorded at 5 PM during the Day between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Darregueira, Buenos Aires, Argentina
9°C5/15°C
13°C7/20°C
15°C9/21°C
15°C9/24°C
16°C9/24°C
16°C10/23°C
17°C13/23°C
11°C8/11°C
7°C7/8°C
10°C6/18°C
14°C8/21°C
10°C5/14°C
5°C0/11°C
7°C1/14°C
9°C1/17°C
10°C4/17°C
13°C6/21°C
15°C8/24°C
16°C10/21°C
15°C8/22°C
16°C10/24°C
15°C12/22°C
14°C7/22°C
16°C9/24°C
19°C12/28°C
20°C14/27°C
21°C17/27°C
18°C14/24°C
12°C9/15°C
12°C9/18°C
--°C/°C
54AQI
45AQI
59AQI
46AQI
2025 Days Vs Air Quality
Darregueira, Buenos Aires, Argentina
53%
139
47%
125
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 53%
Health Risk Level:
Considerable
In 2025, 53% of 265 days were within WHO’s safe air quality limits, and 47% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Darregueira, Buenos Aires, Argentina
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
47AQI
42AQI
51AQI
54AQI
49AQI
55AQI
55AQI
46AQI
57AQI
49AQI
49AQI
59AQI
52AQI
54AQI
42AQI
42AQI
40AQI
45AQI
46AQI
52AQI
50AQI
44AQI
42AQI
43AQI
51AQI
56AQI
47AQI
55AQI
58AQI
57AQI
49AQI
52AQI
48AQI
39AQI
49AQI
47AQI
44AQI
59AQI
63AQI
59AQI
76AQI
77AQI
90AQI
61AQI
50AQI
59AQI
44AQI
44AQI
49AQI
48AQI
49AQI
51AQI
48AQI
49AQI
45AQI
46AQI
60AQI
57AQI
45AQI
45AQI
43AQI
46AQI
47AQI
52AQI
42AQI
42AQI
49AQI
47AQI
53AQI
64AQI
67AQI
70AQI
59AQI
74AQI
64AQI
59AQI
54AQI
52AQI
51AQI
45AQI
56AQI
59AQI
60AQI
66AQI
65AQI
60AQI
52AQI
56AQI
47AQI
47AQI
52AQI
58AQI
58AQI
57AQI
63AQI
48AQI
57AQI
68AQI
55AQI
55AQI
45AQI
57AQI
51AQI
53AQI
46AQI
60AQI
60AQI
77AQI
47AQI
69AQI
56AQI
57AQI
50AQI
46AQI
37AQI
62AQI
60AQI
48AQI
48AQI
74AQI
29AQI
37AQI
32AQI
36AQI
53AQI
47AQI
56AQI
39AQI
28AQI
34AQI
35AQI
28AQI
31AQI
29AQI
43AQI
71AQI
49AQI
43AQI
42AQI
57AQI
33AQI
48AQI
30AQI
38AQI
28AQI
38AQI
51AQI
43AQI
46AQI
34AQI
33AQI
39AQI
38AQI
31AQI
33AQI
24AQI
37AQI
40AQI
33AQI
48AQI
64AQI
69AQI
48AQI
46AQI
35AQI
28AQI
28AQI
40AQI
45AQI
31AQI
42AQI
32AQI
28AQI
56AQI
58AQI
55AQI
57AQI
46AQI
44AQI
48AQI
48AQI
38AQI
50AQI
54AQI
45AQI
66AQI
68AQI
54AQI
57AQI
52AQI
55AQI
39AQI
32AQI
41AQI
43AQI
56AQI
42AQI
39AQI
36AQI
29AQI
33AQI
32AQI
39AQI
36AQI
35AQI
31AQI
44AQI
45AQI
36AQI
39AQI
38AQI
40AQI
45AQI
54AQI
69AQI
71AQI
74AQI
72AQI
67AQI
52AQI
48AQI
40AQI
66AQI
67AQI
62AQI
70AQI
69AQI
60AQI
83AQI
76AQI
73AQI
59AQI
50AQI
49AQI
58AQI
55AQI
54AQI
52AQI
57AQI
67AQI
62AQI
78AQI
69AQI
62AQI
54AQI
51AQI
42AQI
71AQI
73AQI
59AQI
53AQI
48AQI
42AQI
54AQI
68AQI
53AQI
59AQI
57AQI
53AQI
41AQI
25AQI
24AQI
21AQI
19AQI
50AQI
54AQI
55AQI
56AQI
40AQI
42AQI
43AQI
62AQI
49AQI
No. of days
202550AQI
Highest AQI recorded in
August62AQI
Lowest AQI recorded in
May40AQI
202428AQI
Highest AQI recorded in
July54AQI
Lowest AQI recorded in
January9AQI
202312AQI
Highest AQI recorded in
July15AQI
Lowest AQI recorded in
November7AQI
202211AQI
Highest AQI recorded in
November11AQI
Lowest AQI recorded in
October8AQI
Most & Least Polluted Years Over the Last 4 Years
Darregueira's annual 2025 AQI (50) shows an average percentage change of 258.008% (worsened AQI) compared to previous years: 2022 (11), 2023 (12), 2024 (28).