Close To The City, Longyan, Fujian, China 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
Close To The City, Longyan, Fujian, China
AQI Trends: Highest and Lowest
Same Day Analysis (20th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 48 of Good air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Close To The City, Longyan, Fujian, China
5 AM21st Sep 2025
6 PM
4 AM22nd Sep 2025
AQI
AQI
53AQI
29AQI
In the last 24 hours,
Close To The City's AQI reached its highest point of 53 at 5 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Close To The City, Longyan, Fujian, China
24°C16/34°C
25°C16/34°C
26°C20/34°C
25°C17/34°C
22°C15/32°C
25°C17/34°C
26°C18/34°C
23°C17/32°C
25°C18/31°C
24°C17/31°C
22°C16/31°C
23°C16/33°C
23°C17/32°C
24°C18/33°C
24°C17/32°C
22°C17/29°C
21°C16/30°C
22°C17/30°C
23°C16/32°C
22°C17/30°C
24°C17/32°C
25°C18/33°C
23°C17/32°C
24°C16/34°C
25°C17/34°C
25°C18/33°C
22°C16/31°C
21°C17/25°C
20°C16/24°C
--°C/°C
--°C/°C
53AQI
38AQI
53AQI
47AQI
2025 Days Vs Air Quality
Close To The City, Longyan, Fujian, China
33%
86
65%
170
3%
7
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 33%
Health Risk Level:
High
In 2025, 33% of 264 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
Close To The City, Longyan, Fujian, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
115AQI
111AQI
98AQI
85AQI
87AQI
84AQI
94AQI
103AQI
98AQI
77AQI
85AQI
71AQI
75AQI
76AQI
75AQI
96AQI
73AQI
84AQI
79AQI
77AQI
82AQI
94AQI
82AQI
97AQI
71AQI
50AQI
52AQI
66AQI
90AQI
66AQI
66AQI
68AQI
62AQI
41AQI
62AQI
56AQI
70AQI
50AQI
62AQI
60AQI
69AQI
64AQI
79AQI
81AQI
72AQI
83AQI
69AQI
81AQI
105AQI
82AQI
86AQI
55AQI
70AQI
43AQI
53AQI
67AQI
89AQI
76AQI
75AQI
59AQI
59AQI
54AQI
61AQI
47AQI
42AQI
54AQI
62AQI
81AQI
81AQI
74AQI
64AQI
60AQI
57AQI
38AQI
41AQI
74AQI
53AQI
70AQI
70AQI
78AQI
89AQI
87AQI
105AQI
108AQI
108AQI
86AQI
86AQI
45AQI
39AQI
36AQI
44AQI
55AQI
60AQI
71AQI
78AQI
76AQI
79AQI
90AQI
95AQI
69AQI
84AQI
85AQI
94AQI
95AQI
90AQI
91AQI
84AQI
79AQI
68AQI
61AQI
62AQI
64AQI
59AQI
50AQI
39AQI
52AQI
57AQI
47AQI
63AQI
68AQI
75AQI
74AQI
77AQI
78AQI
62AQI
66AQI
57AQI
59AQI
43AQI
55AQI
50AQI
63AQI
65AQI
63AQI
65AQI
55AQI
55AQI
53AQI
46AQI
49AQI
49AQI
56AQI
49AQI
45AQI
59AQI
66AQI
66AQI
64AQI
40AQI
51AQI
56AQI
45AQI
52AQI
37AQI
58AQI
53AQI
63AQI
65AQI
64AQI
59AQI
54AQI
52AQI
50AQI
51AQI
46AQI
38AQI
39AQI
35AQI
45AQI
46AQI
46AQI
45AQI
42AQI
40AQI
46AQI
49AQI
46AQI
45AQI
45AQI
49AQI
51AQI
53AQI
54AQI
54AQI
54AQI
50AQI
51AQI
52AQI
58AQI
56AQI
49AQI
48AQI
53AQI
51AQI
52AQI
54AQI
58AQI
57AQI
57AQI
48AQI
52AQI
49AQI
48AQI
47AQI
45AQI
48AQI
51AQI
51AQI
47AQI
52AQI
48AQI
52AQI
55AQI
53AQI
46AQI
50AQI
44AQI
47AQI
49AQI
50AQI
53AQI
47AQI
46AQI
51AQI
53AQI
45AQI
46AQI
45AQI
47AQI
46AQI
43AQI
42AQI
45AQI
49AQI
51AQI
50AQI
49AQI
48AQI
46AQI
48AQI
47AQI
47AQI
52AQI
54AQI
55AQI
55AQI
54AQI
56AQI
54AQI
53AQI
46AQI
44AQI
48AQI
49AQI
49AQI
47AQI
51AQI
56AQI
57AQI
53AQI
47AQI
46AQI
48AQI
83AQI
69AQI
67AQI
70AQI
58AQI
49AQI
52AQI
48AQI
51AQI
No. of days
202561AQI
Highest AQI recorded in
January83AQI
Lowest AQI recorded in
August48AQI
202453AQI
Highest AQI recorded in
January82AQI
Lowest AQI recorded in
July30AQI
202357AQI
Highest AQI recorded in
March82AQI
Lowest AQI recorded in
July36AQI
202259AQI
Highest AQI recorded in
January78AQI
Lowest AQI recorded in
June26AQI
202163AQI
Highest AQI recorded in
January87AQI
Lowest AQI recorded in
June38AQI
202059AQI
Highest AQI recorded in
April74AQI
Lowest AQI recorded in
June39AQI
Most & Least Polluted Years Over the Last 6 Years
Close To The City's annual 2025 AQI (61) shows an average percentage change of 5.1% (worsened AQI) compared to previous years: 2020 (59), 2021 (63), 2022 (59), 2023 (57), 2024 (53).