Longgang, Ruian, Zhejiang, 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
Longgang, Ruian, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (15th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 3rd highest AQI at 40 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Longgang, Ruian, Zhejiang, China
5 AM14th Aug 2026
6 PM
4 AM15th Aug 2026
86AQI
56AQI
55AQI
21AQI
In the last 24 hours,
Longgang's AQI reached its highest point of 86 at 3 PM during the Day, while the lowest point, 21, was recorded at 4 AM during the Night between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Longgang, Ruian, Zhejiang, China
29°C23/37°C
29°C24/37°C
28°C24/36°C
28°C23/35°C
28°C24/35°C
27°C23/34°C
27°C23/34°C
27°C21/33°C
27°C24/32°C
27°C24/31°C
26°C23/28°C
26°C22/31°C
26°C22/30°C
27°C22/34°C
27°C20/35°C
27°C20/35°C
27°C22/33°C
27°C23/34°C
26°C22/32°C
27°C23/31°C
27°C22/34°C
28°C23/36°C
29°C24/34°C
26°C24/28°C
25°C24/28°C
27°C24/33°C
27°C24/31°C
27°C23/33°C
28°C23/34°C
27°C24/32°C
48AQI
43AQI
50AQI
42AQI
2026 Days Vs Air Quality
Longgang, Ruian, Zhejiang, China
36%
82
52%
118
12%
27
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 36%
Health Risk Level:
High
In 2026, 36% of 227 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
Longgang, Ruian, Zhejiang, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
54AQI (US)
50AQI (US)
110AQI (US)
141AQI (US)
104AQI (US)
100AQI (US)
109AQI (US)
127AQI (US)
134AQI (US)
131AQI (US)
112AQI (US)
103AQI (US)
124AQI (US)
126AQI (US)
114AQI (US)
126AQI (US)
137AQI (US)
115AQI (US)
86AQI (US)
18AQI (US)
52AQI (US)
96AQI (US)
103AQI (US)
104AQI (US)
142AQI (US)
108AQI (US)
46AQI (US)
76AQI (US)
58AQI (US)
50AQI (US)
17AQI (US)
36AQI (US)
64AQI (US)
86AQI (US)
60AQI (US)
78AQI (US)
87AQI (US)
27AQI (US)
60AQI (US)
60AQI (US)
55AQI (US)
77AQI (US)
131AQI (US)
119AQI (US)
76AQI (US)
77AQI (US)
53AQI (US)
77AQI (US)
79AQI (US)
106AQI (US)
104AQI (US)
99AQI (US)
92AQI (US)
82AQI (US)
72AQI (US)
37AQI (US)
59AQI (US)
48AQI (US)
48AQI (US)
42AQI (US)
46AQI (US)
29AQI (US)
73AQI (US)
37AQI (US)
52AQI (US)
81AQI (US)
59AQI (US)
54AQI (US)
59AQI (US)
62AQI (US)
82AQI (US)
92AQI (US)
78AQI (US)
67AQI (US)
52AQI (US)
83AQI (US)
116AQI (US)
50AQI (US)
97AQI (US)
87AQI (US)
87AQI (US)
70AQI (US)
64AQI (US)
81AQI (US)
77AQI (US)
69AQI (US)
75AQI (US)
81AQI (US)
76AQI (US)
60AQI (US)
34AQI (US)
65AQI (US)
101AQI (US)
51AQI (US)
80AQI (US)
103AQI (US)
55AQI (US)
42AQI (US)
67AQI (US)
91AQI (US)
81AQI (US)
42AQI (US)
80AQI (US)
49AQI (US)
63AQI (US)
70AQI (US)
71AQI (US)
49AQI (US)
75AQI (US)
78AQI (US)
31AQI (US)
47AQI (US)
36AQI (US)
48AQI (US)
56AQI (US)
69AQI (US)
66AQI (US)
72AQI (US)
30AQI (US)
17AQI (US)
52AQI (US)
70AQI (US)
76AQI (US)
74AQI (US)
51AQI (US)
50AQI (US)
50AQI (US)
48AQI (US)
33AQI (US)
44AQI (US)
59AQI (US)
55AQI (US)
53AQI (US)
36AQI (US)
36AQI (US)
73AQI (US)
59AQI (US)
53AQI (US)
45AQI (US)
62AQI (US)
69AQI (US)
72AQI (US)
67AQI (US)
65AQI (US)
58AQI (US)
50AQI (US)
63AQI (US)
47AQI (US)
70AQI (US)
60AQI (US)
45AQI (US)
61AQI (US)
94AQI (US)
110AQI (US)
77AQI (US)
69AQI (US)
58AQI (US)
54AQI (US)
21AQI (US)
24AQI (US)
31AQI (US)
78AQI (US)
66AQI (US)
32AQI (US)
38AQI (US)
44AQI (US)
41AQI (US)
38AQI (US)
28AQI (US)
24AQI (US)
25AQI (US)
69AQI (US)
66AQI (US)
65AQI (US)
50AQI (US)
40AQI (US)
33AQI (US)
52AQI (US)
86AQI (US)
52AQI (US)
35AQI (US)
40AQI (US)
42AQI (US)
54AQI (US)
51AQI (US)
45AQI (US)
39AQI (US)
34AQI (US)
46AQI (US)
45AQI (US)
44AQI (US)
20AQI (US)
34AQI (US)
35AQI (US)
31AQI (US)
18AQI (US)
41AQI (US)
55AQI (US)
61AQI (US)
61AQI (US)
48AQI (US)
58AQI (US)
90AQI (US)
68AQI (US)
47AQI (US)
17AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
29AQI (US)
35AQI (US)
55AQI (US)
57AQI (US)
45AQI (US)
56AQI (US)
43AQI (US)
59AQI (US)
51AQI (US)
40AQI (US)
25AQI (US)
31AQI (US)
32AQI (US)
67AQI (US)
48AQI (US)
57AQI (US)
64AQI (US)
40AQI (US)
96AQI (US)
73AQI (US)
69AQI (US)
61AQI (US)
56AQI (US)
52AQI (US)
43AQI (US)
48AQI (US)
No. of days
202663AQI (US)
Highest AQI (US) recorded in
January96AQI (US)
Lowest AQI (US) recorded in
July43AQI (US)
202575AQI (US)
Highest AQI (US) recorded in
January105AQI (US)
Lowest AQI (US) recorded in
July47AQI (US)
202460AQI (US)
Highest AQI (US) recorded in
December98AQI (US)
Lowest AQI (US) recorded in
July47AQI (US)
202353AQI (US)
Highest AQI (US) recorded in
December53AQI (US)
Lowest AQI (US) recorded in
November50AQI (US)
202270AQI (US)
Highest AQI (US) recorded in
August115AQI (US)
Lowest AQI (US) recorded in
January53AQI (US)
202166AQI (US)
Highest AQI (US) recorded in
January110AQI (US)
Lowest AQI (US) recorded in
September49AQI (US)
202071AQI (US)
Highest AQI (US) recorded in
April96AQI (US)
Lowest AQI (US) recorded in
August52AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Longgang's annual 2026 AQI (US) (63) shows an average percentage change of -2.9% (improved AQI (US)) compared to previous years: 2020 (71), 2021 (66), 2022 (70), 2023 (53), 2024 (60), 2025 (75).