Fengqing Station, Huzhou, 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
Fengqing Station, Huzhou, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 56 of Moderate air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Fengqing Station, Huzhou, Zhejiang, China
5 AM21st Sep 2025
6 PM
4 AM22nd Sep 2025
58AQI
53AQI
59AQI
56AQI
In the last 24 hours,
Fengqing Station's AQI reached its highest point of 59 at 10 PM during the Night, while the lowest point, 53, was recorded at 3 PM during the Day between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Fengqing Station, Huzhou, Zhejiang, China
30°C24/37°C
31°C26/38°C
29°C24/38°C
29°C23/35°C
30°C25/36°C
30°C25/37°C
30°C25/36°C
30°C25/37°C
28°C24/36°C
27°C24/33°C
25°C23/28°C
28°C23/35°C
28°C24/34°C
29°C24/36°C
29°C25/37°C
29°C25/36°C
29°C25/37°C
26°C24/31°C
25°C23/28°C
25°C22/30°C
28°C23/35°C
26°C24/31°C
28°C25/33°C
28°C24/35°C
29°C24/36°C
28°C25/34°C
24°C23/26°C
26°C22/32°C
21°C20/22°C
22°C20/24°C
--°C/°C
58AQI
58AQI
59AQI
59AQI
2025 Days Vs Air Quality
Fengqing Station, Huzhou, Zhejiang, China
9%
25
64%
169
23%
61
3%
8
0.3%
1
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 9%
Health Risk Level:
Extreme
In 2025, 9% of 265 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
Fengqing Station, Huzhou, Zhejiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
151AQI
139AQI
151AQI
144AQI
160AQI
145AQI
130AQI
134AQI
96AQI
102AQI
112AQI
125AQI
138AQI
149AQI
86AQI
110AQI
118AQI
144AQI
146AQI
168AQI
178AQI
161AQI
140AQI
108AQI
86AQI
96AQI
66AQI
83AQI
123AQI
114AQI
135AQI
75AQI
120AQI
118AQI
115AQI
96AQI
104AQI
74AQI
73AQI
80AQI
106AQI
111AQI
144AQI
135AQI
138AQI
143AQI
120AQI
116AQI
98AQI
116AQI
83AQI
83AQI
110AQI
137AQI
138AQI
160AQI
152AQI
141AQI
118AQI
107AQI
95AQI
64AQI
68AQI
78AQI
91AQI
109AQI
130AQI
102AQI
138AQI
137AQI
110AQI
86AQI
77AQI
61AQI
87AQI
70AQI
80AQI
92AQI
93AQI
81AQI
88AQI
94AQI
98AQI
99AQI
124AQI
107AQI
88AQI
95AQI
83AQI
73AQI
86AQI
96AQI
103AQI
112AQI
97AQI
111AQI
103AQI
108AQI
116AQI
104AQI
104AQI
228AQI
92AQI
103AQI
76AQI
81AQI
89AQI
102AQI
124AQI
108AQI
106AQI
99AQI
94AQI
106AQI
74AQI
80AQI
75AQI
92AQI
82AQI
90AQI
80AQI
81AQI
82AQI
64AQI
81AQI
100AQI
100AQI
83AQI
58AQI
64AQI
68AQI
76AQI
79AQI
84AQI
126AQI
87AQI
85AQI
88AQI
83AQI
77AQI
59AQI
73AQI
55AQI
83AQI
91AQI
87AQI
86AQI
78AQI
74AQI
89AQI
87AQI
57AQI
48AQI
70AQI
84AQI
70AQI
73AQI
80AQI
50AQI
68AQI
67AQI
67AQI
66AQI
55AQI
59AQI
43AQI
51AQI
61AQI
61AQI
59AQI
53AQI
50AQI
44AQI
47AQI
53AQI
64AQI
64AQI
56AQI
51AQI
53AQI
56AQI
49AQI
56AQI
59AQI
60AQI
62AQI
60AQI
54AQI
48AQI
51AQI
59AQI
56AQI
53AQI
57AQI
61AQI
63AQI
64AQI
63AQI
63AQI
49AQI
48AQI
44AQI
45AQI
45AQI
47AQI
50AQI
42AQI
44AQI
42AQI
46AQI
34AQI
41AQI
54AQI
57AQI
58AQI
61AQI
58AQI
53AQI
49AQI
51AQI
54AQI
59AQI
59AQI
60AQI
52AQI
43AQI
43AQI
47AQI
51AQI
51AQI
54AQI
58AQI
63AQI
57AQI
54AQI
56AQI
56AQI
57AQI
55AQI
53AQI
53AQI
52AQI
53AQI
56AQI
55AQI
58AQI
71AQI
70AQI
67AQI
75AQI
66AQI
57AQI
54AQI
57AQI
58AQI
59AQI
57AQI
62AQI
62AQI
61AQI
53AQI
57AQI
55AQI
56AQI
127AQI
114AQI
94AQI
101AQI
81AQI
59AQI
52AQI
54AQI
60AQI
No. of days
202583AQI
Highest AQI recorded in
January127AQI
Lowest AQI recorded in
July52AQI
202478AQI
Highest AQI recorded in
January148AQI
Lowest AQI recorded in
July52AQI
2023119AQI
Highest AQI recorded in
December119AQI
Lowest AQI recorded in
November114AQI
202282AQI
Highest AQI recorded in
February112AQI
Lowest AQI recorded in
July56AQI
202182AQI
Highest AQI recorded in
December114AQI
Lowest AQI recorded in
July55AQI
202076AQI
Highest AQI recorded in
December125AQI
Lowest AQI recorded in
June55AQI
Most & Least Polluted Years Over the Last 6 Years
Fengqing Station's annual 2025 AQI (83) shows an average percentage change of -2.5% (improved AQI) compared to previous years: 2020 (76), 2021 (82), 2022 (82), 2023 (119), 2024 (78).