Bureau Of Meteorology, Jiangshan, Zhejiang, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Bureau Of Meteorology, Jiangshan, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 83 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Bureau Of Meteorology, Jiangshan, Zhejiang, China
5 AM3rd Oct 2025
6 PM
4 AM4th Oct 2025
AQI
AQI
104AQI
56AQI
In the last 24 hours,
Bureau Of Meteorology's AQI reached its highest point of 104 at 9 PM during the Night, while the lowest point, 56, was recorded at 7 PM during the Night between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Bureau Of Meteorology, Jiangshan, Zhejiang, China
28°C24/35°C
27°C23/34°C
28°C24/34°C
28°C24/34°C
28°C23/34°C
24°C22/28°C
24°C22/26°C
26°C23/30°C
26°C23/29°C
26°C23/31°C
26°C23/31°C
27°C23/33°C
28°C24/33°C
27°C22/34°C
25°C21/29°C
25°C22/30°C
22°C18/23°C
19°C18/21°C
23°C20/29°C
24°C21/27°C
23°C21/24°C
25°C23/30°C
26°C22/33°C
26°C23/31°C
27°C24/32°C
26°C22/32°C
24°C21/29°C
25°C22/32°C
26°C23/31°C
--°C/°C
--°C/°C
63AQI
50AQI
62AQI
56AQI
2025 Days Vs Air Quality
Bureau Of Meteorology, Jiangshan, Zhejiang, China
14%
39
69%
191
17%
46
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 14%
Health Risk Level:
Extreme
In 2025, 14% of 276 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
Bureau Of Meteorology, Jiangshan, Zhejiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
143AQI
143AQI
145AQI
134AQI
146AQI
122AQI
133AQI
128AQI
109AQI
86AQI
91AQI
103AQI
111AQI
106AQI
117AQI
88AQI
95AQI
93AQI
98AQI
103AQI
120AQI
122AQI
117AQI
109AQI
93AQI
71AQI
71AQI
89AQI
132AQI
104AQI
102AQI
66AQI
63AQI
99AQI
78AQI
85AQI
87AQI
79AQI
62AQI
69AQI
81AQI
94AQI
93AQI
124AQI
136AQI
126AQI
100AQI
104AQI
84AQI
84AQI
59AQI
57AQI
60AQI
70AQI
94AQI
113AQI
99AQI
95AQI
80AQI
85AQI
79AQI
67AQI
54AQI
60AQI
73AQI
88AQI
86AQI
106AQI
114AQI
105AQI
92AQI
69AQI
69AQI
46AQI
74AQI
62AQI
73AQI
74AQI
74AQI
76AQI
78AQI
86AQI
93AQI
101AQI
118AQI
111AQI
99AQI
85AQI
91AQI
87AQI
86AQI
88AQI
102AQI
104AQI
104AQI
101AQI
99AQI
103AQI
110AQI
95AQI
96AQI
124AQI
117AQI
113AQI
93AQI
96AQI
101AQI
100AQI
93AQI
93AQI
92AQI
69AQI
87AQI
71AQI
77AQI
74AQI
76AQI
82AQI
89AQI
95AQI
90AQI
94AQI
96AQI
93AQI
79AQI
94AQI
112AQI
84AQI
78AQI
79AQI
79AQI
86AQI
89AQI
90AQI
108AQI
89AQI
85AQI
87AQI
81AQI
73AQI
73AQI
70AQI
61AQI
89AQI
92AQI
105AQI
104AQI
92AQI
73AQI
81AQI
80AQI
75AQI
68AQI
63AQI
69AQI
68AQI
75AQI
78AQI
74AQI
75AQI
73AQI
68AQI
62AQI
62AQI
64AQI
63AQI
65AQI
67AQI
52AQI
52AQI
48AQI
49AQI
51AQI
43AQI
47AQI
52AQI
52AQI
52AQI
50AQI
48AQI
51AQI
46AQI
46AQI
50AQI
55AQI
56AQI
53AQI
51AQI
52AQI
48AQI
50AQI
47AQI
44AQI
46AQI
54AQI
58AQI
59AQI
61AQI
59AQI
47AQI
41AQI
39AQI
39AQI
38AQI
38AQI
41AQI
41AQI
40AQI
36AQI
37AQI
41AQI
42AQI
57AQI
60AQI
58AQI
58AQI
55AQI
52AQI
49AQI
50AQI
53AQI
58AQI
60AQI
59AQI
52AQI
45AQI
44AQI
47AQI
49AQI
51AQI
54AQI
51AQI
53AQI
51AQI
51AQI
56AQI
55AQI
52AQI
52AQI
52AQI
54AQI
55AQI
54AQI
54AQI
56AQI
58AQI
60AQI
65AQI
62AQI
62AQI
61AQI
57AQI
56AQI
53AQI
54AQI
56AQI
53AQI
56AQI
58AQI
58AQI
55AQI
51AQI
50AQI
49AQI
51AQI
52AQI
46AQI
43AQI
48AQI
60AQI
65AQI
78AQI
71AQI
75AQI
76AQI
83AQI
110AQI
87AQI
83AQI
94AQI
87AQI
61AQI
47AQI
53AQI
57AQI
78AQI
No. of days
202575AQI
Highest AQI recorded in
January110AQI
Lowest AQI recorded in
July47AQI
202473AQI
Highest AQI recorded in
December112AQI
Lowest AQI recorded in
July49AQI
202386AQI
Highest AQI recorded in
November88AQI
Lowest AQI recorded in
December86AQI
202259AQI
Highest AQI recorded in
October81AQI
Lowest AQI recorded in
August40AQI
202163AQI
Highest AQI recorded in
December90AQI
Lowest AQI recorded in
August44AQI
202065AQI
Highest AQI recorded in
December99AQI
Lowest AQI recorded in
June42AQI
Most & Least Polluted Years Over the Last 6 Years
Bureau Of Meteorology's annual 2025 AQI (75) shows an average percentage change of 11.008% (worsened AQI) compared to previous years: 2020 (65), 2021 (63), 2022 (59), 2023 (86), 2024 (73).