Longyan, Fujian, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Longyan, Fujian, China
AQI Trends: Highest and Lowest
Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 42 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Aug - 22nd Aug 2025
Longyan, Fujian, China
5 AM21st Aug 2025
6 PM
4 AM22nd Aug 2025
AQI
AQI
58AQI
35AQI
In the last 24 hours,
Longyan's AQI reached its highest point of 58 at 11 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 21st Aug and 22nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Longyan, Fujian, China
23°C17/30°C
23°C16/32°C
25°C17/34°C
24°C19/32°C
23°C18/30°C
23°C18/29°C
24°C18/29°C
27°C23/32°C
25°C19/33°C
24°C19/31°C
24°C18/32°C
23°C18/28°C
23°C18/28°C
21°C17/25°C
21°C17/26°C
23°C16/32°C
24°C17/34°C
26°C18/34°C
25°C18/33°C
23°C18/31°C
23°C17/30°C
25°C17/34°C
22°C16/27°C
22°C16/31°C
22°C15/30°C
23°C17/32°C
22°C16/29°C
22°C16/30°C
22°C17/31°C
--°C/°C
--°C/°C
52AQI
39AQI
52AQI
43AQI
2025 Days Vs Air Quality
Longyan, Fujian, China
32%
75
65%
150
3%
7
Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)
Under WHO’s Safe Air Quality Limits: 32%
Health Risk Level:
High
In 2025, 32% of 233 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
Longyan, Fujian, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
117AQI
113AQI
100AQI
86AQI
89AQI
86AQI
98AQI
103AQI
99AQI
77AQI
85AQI
72AQI
79AQI
77AQI
78AQI
96AQI
75AQI
84AQI
80AQI
79AQI
82AQI
97AQI
84AQI
93AQI
72AQI
50AQI
54AQI
68AQI
91AQI
67AQI
68AQI
69AQI
61AQI
42AQI
64AQI
56AQI
69AQI
49AQI
62AQI
58AQI
67AQI
63AQI
97AQI
82AQI
78AQI
83AQI
72AQI
80AQI
103AQI
81AQI
84AQI
54AQI
66AQI
43AQI
52AQI
67AQI
86AQI
76AQI
77AQI
60AQI
61AQI
55AQI
59AQI
45AQI
40AQI
53AQI
61AQI
77AQI
82AQI
75AQI
67AQI
60AQI
57AQI
39AQI
40AQI
71AQI
54AQI
69AQI
69AQI
80AQI
82AQI
86AQI
106AQI
110AQI
112AQI
91AQI
86AQI
44AQI
39AQI
36AQI
48AQI
56AQI
61AQI
72AQI
77AQI
76AQI
80AQI
89AQI
96AQI
69AQI
83AQI
83AQI
95AQI
96AQI
90AQI
92AQI
81AQI
80AQI
69AQI
65AQI
63AQI
66AQI
59AQI
52AQI
36AQI
49AQI
56AQI
48AQI
63AQI
67AQI
76AQI
73AQI
75AQI
78AQI
62AQI
63AQI
55AQI
61AQI
44AQI
53AQI
48AQI
63AQI
66AQI
65AQI
65AQI
56AQI
57AQI
55AQI
50AQI
51AQI
50AQI
56AQI
50AQI
43AQI
59AQI
66AQI
66AQI
65AQI
40AQI
50AQI
56AQI
46AQI
54AQI
36AQI
58AQI
48AQI
63AQI
64AQI
64AQI
54AQI
53AQI
52AQI
49AQI
52AQI
47AQI
39AQI
39AQI
37AQI
46AQI
46AQI
43AQI
42AQI
37AQI
37AQI
44AQI
48AQI
46AQI
45AQI
46AQI
48AQI
48AQI
52AQI
52AQI
52AQI
52AQI
50AQI
50AQI
52AQI
59AQI
57AQI
48AQI
48AQI
53AQI
50AQI
52AQI
54AQI
58AQI
58AQI
58AQI
46AQI
49AQI
45AQI
46AQI
45AQI
43AQI
45AQI
51AQI
50AQI
45AQI
49AQI
46AQI
53AQI
55AQI
52AQI
46AQI
50AQI
44AQI
48AQI
48AQI
50AQI
53AQI
46AQI
47AQI
52AQI
53AQI
44AQI
45AQI
44AQI
47AQI
47AQI
41AQI
42AQI
84AQI
69AQI
67AQI
71AQI
59AQI
48AQI
51AQI
48AQI
No. of days
202562AQI
Highest AQI recorded in
January84AQI
Lowest AQI recorded in
August48AQI
202457AQI
Highest AQI recorded in
January85AQI
Lowest AQI recorded in
July37AQI
202362AQI
Highest AQI recorded in
March85AQI
Lowest AQI recorded in
July41AQI
202262AQI
Highest AQI recorded in
January80AQI
Lowest AQI recorded in
June32AQI
202167AQI
Highest AQI recorded in
January92AQI
Lowest AQI recorded in
June42AQI
202061AQI
Highest AQI recorded in
April80AQI
Lowest AQI recorded in
June42AQI
Most & Least Polluted Years Over the Last 6 Years
Longyan's annual 2025 AQI (62) shows an average percentage change of 1.3% (worsened AQI) compared to previous years: 2020 (61), 2021 (67), 2022 (62), 2023 (62), 2024 (57).