Boyabat, Erfelek, Sinop, Turkey Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Boyabat, Erfelek, Sinop, Turkey
AQI Trends: Highest and Lowest
Same Day Analysis (2nd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 26 of Good air quality, showing improvement over 2025, 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jun - 3rd Jun 2026
Boyabat, Erfelek, Sinop, Turkey
5 AM2nd Jun 2026
7 PM
4 AM3rd Jun 2026
50AQI
19AQI
33AQI
20AQI
In the last 24 hours,
Boyabat's AQI reached its highest point of 50 at 1 PM during the Day, while the lowest point, 19, was recorded at 4 PM during the Day between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Boyabat, Erfelek, Sinop, Turkey
5°C3/8°C
8°C5/12°C
11°C7/15°C
14°C10/18°C
15°C12/19°C
14°C12/17°C
14°C11/17°C
15°C12/21°C
14°C12/17°C
10°C7/14°C
8°C6/9°C
11°C7/15°C
12°C8/17°C
8°C7/11°C
11°C7/14°C
13°C11/16°C
12°C9/16°C
13°C11/15°C
13°C11/17°C
13°C10/15°C
14°C11/18°C
14°C11/18°C
16°C12/20°C
15°C10/20°C
9°C7/12°C
9°C5/13°C
12°C7/17°C
14°C12/16°C
16°C12/21°C
17°C15/22°C
36AQI
27AQI
40AQI
31AQI
2026 Days Vs Air Quality
Boyabat, Erfelek, Sinop, Turkey
65%
98
33%
50
1%
2
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 65%
Health Risk Level:
Moderate
In 2026, 65% of 154 days were within WHO’s safe air quality limits, and 35% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Boyabat, Erfelek, Sinop, Turkey
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
52AQI (US)
60AQI (US)
61AQI (US)
53AQI (US)
56AQI (US)
87AQI (US)
65AQI (US)
63AQI (US)
39AQI (US)
53AQI (US)
37AQI (US)
33AQI (US)
21AQI (US)
43AQI (US)
59AQI (US)
53AQI (US)
38AQI (US)
50AQI (US)
38AQI (US)
33AQI (US)
53AQI (US)
90AQI (US)
117AQI (US)
106AQI (US)
98AQI (US)
98AQI (US)
97AQI (US)
80AQI (US)
67AQI (US)
40AQI (US)
54AQI (US)
61AQI (US)
69AQI (US)
38AQI (US)
30AQI (US)
76AQI (US)
85AQI (US)
58AQI (US)
28AQI (US)
61AQI (US)
46AQI (US)
46AQI (US)
86AQI (US)
52AQI (US)
46AQI (US)
54AQI (US)
48AQI (US)
72AQI (US)
43AQI (US)
38AQI (US)
74AQI (US)
89AQI (US)
62AQI (US)
40AQI (US)
54AQI (US)
86AQI (US)
52AQI (US)
30AQI (US)
39AQI (US)
53AQI (US)
47AQI (US)
63AQI (US)
49AQI (US)
42AQI (US)
82AQI (US)
63AQI (US)
28AQI (US)
50AQI (US)
33AQI (US)
46AQI (US)
55AQI (US)
52AQI (US)
52AQI (US)
48AQI (US)
50AQI (US)
59AQI (US)
46AQI (US)
70AQI (US)
36AQI (US)
39AQI (US)
37AQI (US)
48AQI (US)
35AQI (US)
39AQI (US)
33AQI (US)
36AQI (US)
55AQI (US)
37AQI (US)
22AQI (US)
41AQI (US)
53AQI (US)
50AQI (US)
69AQI (US)
46AQI (US)
42AQI (US)
42AQI (US)
45AQI (US)
39AQI (US)
27AQI (US)
31AQI (US)
30AQI (US)
44AQI (US)
39AQI (US)
19AQI (US)
48AQI (US)
54AQI (US)
46AQI (US)
24AQI (US)
25AQI (US)
37AQI (US)
16AQI (US)
11AQI (US)
35AQI (US)
42AQI (US)
31AQI (US)
31AQI (US)
37AQI (US)
45AQI (US)
54AQI (US)
38AQI (US)
12AQI (US)
28AQI (US)
30AQI (US)
34AQI (US)
27AQI (US)
30AQI (US)
28AQI (US)
33AQI (US)
47AQI (US)
48AQI (US)
34AQI (US)
25AQI (US)
37AQI (US)
44AQI (US)
38AQI (US)
31AQI (US)
39AQI (US)
49AQI (US)
56AQI (US)
49AQI (US)
48AQI (US)
50AQI (US)
38AQI (US)
16AQI (US)
18AQI (US)
8AQI (US)
9AQI (US)
13AQI (US)
17AQI (US)
26AQI (US)
61AQI (US)
56AQI (US)
47AQI (US)
38AQI (US)
34AQI (US)
22AQI (US)
No. of days
202647AQI (US)
Highest AQI (US) recorded in
January61AQI (US)
Lowest AQI (US) recorded in
June22AQI (US)
202561AQI (US)
Highest AQI (US) recorded in
January81AQI (US)
Lowest AQI (US) recorded in
September48AQI (US)
202446AQI (US)
Highest AQI (US) recorded in
November76AQI (US)
Lowest AQI (US) recorded in
September24AQI (US)
202330AQI (US)
Highest AQI (US) recorded in
December46AQI (US)
Lowest AQI (US) recorded in
January19AQI (US)
202250AQI (US)
Highest AQI (US) recorded in
November82AQI (US)
Lowest AQI (US) recorded in
May38AQI (US)
202150AQI (US)
Highest AQI (US) recorded in
December103AQI (US)
Lowest AQI (US) recorded in
June22AQI (US)
202048AQI (US)
Highest AQI (US) recorded in
November170AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Boyabat's annual 2026 AQI (US) (47) shows an average percentage change of 3.6% (worsened AQI (US)) compared to previous years: 2020 (48), 2021 (50), 2022 (50), 2023 (30), 2024 (46), 2025 (61).