Garden Bridge, Ruian, Zhejiang, 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
Garden Bridge, Ruian, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 4th highest AQI at 45 of Good air quality, showing improvement over 2024, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Garden Bridge, Ruian, Zhejiang, China
5 AM21st Sep 2025
6 PM
4 AM22nd Sep 2025
AQI
AQI
52AQI
20AQI
In the last 24 hours,
Garden Bridge's AQI reached its highest point of 52 at 10 PM during the Night, while the lowest point, 20, was recorded at 9 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Garden Bridge, Ruian, Zhejiang, China
28°C25/32°C
28°C26/32°C
28°C25/32°C
28°C25/32°C
28°C25/31°C
28°C25/32°C
28°C25/32°C
28°C25/32°C
28°C25/32°C
28°C25/32°C
28°C25/32°C
28°C25/32°C
28°C25/32°C
28°C25/32°C
28°C25/32°C
29°C26/33°C
28°C25/33°C
29°C26/35°C
26°C24/29°C
27°C25/30°C
27°C24/31°C
28°C24/33°C
28°C25/32°C
28°C25/31°C
28°C25/32°C
28°C25/32°C
27°C25/32°C
27°C25/29°C
26°C25/29°C
--°C/°C
--°C/°C
54AQI
50AQI
54AQI
52AQI
2025 Days Vs Air Quality
Garden Bridge, Ruian, Zhejiang, China
18%
48
67%
178
14%
38
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 18%
Health Risk Level:
Extreme
In 2025, 18% of 264 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Garden Bridge, Ruian, Zhejiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
112AQI
98AQI
109AQI
90AQI
108AQI
120AQI
133AQI
121AQI
114AQI
88AQI
94AQI
99AQI
112AQI
110AQI
132AQI
90AQI
115AQI
101AQI
105AQI
117AQI
143AQI
133AQI
113AQI
87AQI
80AQI
69AQI
65AQI
73AQI
103AQI
86AQI
93AQI
64AQI
56AQI
92AQI
105AQI
95AQI
113AQI
85AQI
73AQI
80AQI
87AQI
88AQI
98AQI
134AQI
97AQI
136AQI
114AQI
126AQI
78AQI
96AQI
63AQI
65AQI
72AQI
67AQI
128AQI
132AQI
141AQI
140AQI
109AQI
110AQI
94AQI
91AQI
69AQI
63AQI
58AQI
77AQI
91AQI
88AQI
86AQI
109AQI
83AQI
69AQI
69AQI
43AQI
69AQI
77AQI
81AQI
86AQI
102AQI
82AQI
91AQI
94AQI
112AQI
123AQI
110AQI
110AQI
75AQI
80AQI
65AQI
65AQI
66AQI
82AQI
87AQI
89AQI
85AQI
92AQI
86AQI
90AQI
105AQI
83AQI
87AQI
98AQI
87AQI
97AQI
84AQI
88AQI
103AQI
93AQI
80AQI
92AQI
84AQI
85AQI
68AQI
71AQI
54AQI
68AQI
69AQI
74AQI
70AQI
70AQI
72AQI
75AQI
82AQI
64AQI
74AQI
76AQI
89AQI
69AQI
72AQI
63AQI
68AQI
68AQI
66AQI
65AQI
66AQI
70AQI
70AQI
52AQI
67AQI
66AQI
51AQI
61AQI
60AQI
68AQI
89AQI
81AQI
68AQI
64AQI
52AQI
67AQI
71AQI
68AQI
74AQI
56AQI
71AQI
57AQI
65AQI
68AQI
59AQI
63AQI
52AQI
45AQI
47AQI
46AQI
54AQI
48AQI
48AQI
55AQI
55AQI
52AQI
48AQI
56AQI
67AQI
59AQI
59AQI
61AQI
61AQI
59AQI
49AQI
52AQI
46AQI
45AQI
48AQI
51AQI
52AQI
48AQI
46AQI
39AQI
40AQI
43AQI
49AQI
49AQI
46AQI
51AQI
56AQI
60AQI
61AQI
64AQI
56AQI
45AQI
44AQI
37AQI
39AQI
44AQI
38AQI
35AQI
37AQI
40AQI
39AQI
40AQI
43AQI
51AQI
56AQI
61AQI
59AQI
58AQI
53AQI
54AQI
57AQI
65AQI
65AQI
64AQI
63AQI
60AQI
50AQI
42AQI
42AQI
42AQI
45AQI
44AQI
47AQI
55AQI
55AQI
53AQI
51AQI
52AQI
50AQI
53AQI
48AQI
42AQI
43AQI
46AQI
50AQI
55AQI
52AQI
55AQI
60AQI
60AQI
56AQI
59AQI
54AQI
52AQI
53AQI
57AQI
57AQI
61AQI
55AQI
60AQI
51AQI
54AQI
50AQI
50AQI
50AQI
45AQI
104AQI
98AQI
85AQI
83AQI
69AQI
57AQI
46AQI
52AQI
55AQI
No. of days
202572AQI
Highest AQI recorded in
January104AQI
Lowest AQI recorded in
July46AQI
202459AQI
Highest AQI recorded in
December96AQI
Lowest AQI recorded in
April46AQI
202353AQI
Highest AQI recorded in
December53AQI
Lowest AQI recorded in
November49AQI
202264AQI
Highest AQI recorded in
March75AQI
Lowest AQI recorded in
January46AQI
202164AQI
Highest AQI recorded in
January109AQI
Lowest AQI recorded in
July45AQI
202069AQI
Highest AQI recorded in
April95AQI
Lowest AQI recorded in
August49AQI
Most & Least Polluted Years Over the Last 6 Years
Garden Bridge's annual 2025 AQI (72) shows an average percentage change of 18.06% (worsened AQI) compared to previous years: 2020 (69), 2021 (64), 2022 (64), 2023 (53), 2024 (59).