Avcilar, Istanbul, Istanbul Province, Turkey 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
Avcilar, Istanbul, Istanbul Province, Turkey
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 56 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Avcilar, Istanbul, Istanbul Province, Turkey
6 AM4th Oct 2025
7 PM
5 AM5th Oct 2025
AQI
AQI
61AQI
38AQI
In the last 24 hours,
Avcilar's AQI reached its highest point of 61 at 7 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Avcilar, Istanbul, Istanbul Province, Turkey
25°C23/27°C
23°C22/24°C
23°C21/25°C
23°C21/26°C
24°C21/27°C
24°C22/28°C
24°C22/27°C
24°C21/27°C
23°C21/25°C
22°C20/25°C
21°C19/24°C
22°C20/26°C
22°C18/26°C
20°C19/22°C
21°C19/22°C
21°C18/24°C
21°C19/24°C
22°C20/25°C
21°C19/24°C
21°C19/24°C
21°C20/24°C
20°C18/21°C
19°C18/20°C
18°C17/19°C
16°C16/16°C
18°C15/20°C
18°C16/21°C
19°C16/21°C
19°C18/22°C
--°C/°C
--°C/°C
55AQI
53AQI
57AQI
54AQI
2025 Days Vs Air Quality
Avcilar, Istanbul, Istanbul Province, Turkey
36%
99
60%
167
4%
11
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 36%
Health Risk Level:
High
In 2025, 36% of 277 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Avcilar, Istanbul, Istanbul Province, Turkey
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
111AQI
107AQI
84AQI
68AQI
56AQI
71AQI
81AQI
67AQI
72AQI
80AQI
82AQI
53AQI
38AQI
41AQI
49AQI
41AQI
72AQI
107AQI
133AQI
129AQI
82AQI
111AQI
124AQI
129AQI
81AQI
72AQI
91AQI
102AQI
83AQI
75AQI
90AQI
116AQI
108AQI
91AQI
86AQI
48AQI
54AQI
54AQI
51AQI
50AQI
50AQI
56AQI
61AQI
62AQI
63AQI
67AQI
65AQI
58AQI
55AQI
50AQI
56AQI
54AQI
54AQI
54AQI
55AQI
55AQI
77AQI
71AQI
75AQI
83AQI
73AQI
66AQI
58AQI
59AQI
63AQI
62AQI
77AQI
84AQI
83AQI
87AQI
83AQI
68AQI
66AQI
62AQI
62AQI
59AQI
51AQI
49AQI
66AQI
65AQI
71AQI
81AQI
69AQI
69AQI
68AQI
70AQI
81AQI
75AQI
80AQI
59AQI
63AQI
58AQI
56AQI
66AQI
62AQI
41AQI
35AQI
46AQI
42AQI
44AQI
49AQI
45AQI
56AQI
57AQI
48AQI
67AQI
56AQI
55AQI
61AQI
48AQI
60AQI
82AQI
56AQI
38AQI
52AQI
43AQI
48AQI
49AQI
45AQI
47AQI
41AQI
45AQI
52AQI
40AQI
48AQI
60AQI
60AQI
73AQI
56AQI
51AQI
42AQI
46AQI
35AQI
35AQI
35AQI
38AQI
40AQI
40AQI
35AQI
32AQI
35AQI
35AQI
38AQI
39AQI
39AQI
33AQI
34AQI
36AQI
43AQI
40AQI
36AQI
36AQI
36AQI
35AQI
35AQI
42AQI
45AQI
42AQI
45AQI
47AQI
45AQI
50AQI
49AQI
50AQI
39AQI
37AQI
37AQI
41AQI
46AQI
47AQI
49AQI
43AQI
42AQI
35AQI
37AQI
37AQI
37AQI
35AQI
38AQI
35AQI
30AQI
49AQI
51AQI
42AQI
56AQI
57AQI
57AQI
58AQI
62AQI
58AQI
66AQI
58AQI
54AQI
48AQI
57AQI
64AQI
61AQI
65AQI
64AQI
56AQI
46AQI
60AQI
59AQI
68AQI
72AQI
61AQI
56AQI
55AQI
67AQI
81AQI
73AQI
60AQI
49AQI
53AQI
51AQI
51AQI
55AQI
57AQI
59AQI
58AQI
54AQI
54AQI
54AQI
55AQI
55AQI
52AQI
53AQI
58AQI
54AQI
50AQI
54AQI
53AQI
53AQI
59AQI
62AQI
52AQI
44AQI
40AQI
36AQI
34AQI
39AQI
51AQI
65AQI
54AQI
53AQI
64AQI
62AQI
60AQI
60AQI
53AQI
50AQI
50AQI
60AQI
62AQI
58AQI
56AQI
56AQI
59AQI
53AQI
53AQI
55AQI
49AQI
48AQI
54AQI
54AQI
53AQI
59AQI
50AQI
52AQI
49AQI
38AQI
50AQI
49AQI
65AQI
60AQI
62AQI
56AQI
83AQI
64AQI
69AQI
53AQI
42AQI
41AQI
59AQI
52AQI
54AQI
61AQI
No. of days
202558AQI
Highest AQI recorded in
January83AQI
Lowest AQI recorded in
June41AQI
202449AQI
Highest AQI recorded in
October64AQI
Lowest AQI recorded in
February31AQI
202334AQI
Highest AQI recorded in
October73AQI
Lowest AQI recorded in
May21AQI
202235AQI
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
September25AQI
202147AQI
Highest AQI recorded in
December71AQI
Lowest AQI recorded in
January25AQI
202037AQI
Highest AQI recorded in
March76AQI
Lowest AQI recorded in
August23AQI
Most & Least Polluted Years Over the Last 6 Years
Avcilar's annual 2025 AQI (58) shows an average percentage change of 46.7% (worsened AQI) compared to previous years: 2020 (37), 2021 (47), 2022 (35), 2023 (34), 2024 (49).