Heping Water Plant, Lishui, 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
Heping Water Plant, Lishui, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 40 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Heping Water Plant, Lishui, Zhejiang, China
5 AM3rd Oct 2025
6 PM
4 AM4th Oct 2025
AQI
AQI
71AQI
34AQI
In the last 24 hours,
Heping Water Plant's AQI reached its highest point of 71 at 8 PM during the Night, while the lowest point, 34, was recorded at 9 AM during the Night between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Heping Water Plant, Lishui, Zhejiang, China
27°C20/37°C
27°C20/37°C
28°C22/37°C
28°C22/37°C
29°C22/38°C
26°C19/36°C
23°C19/32°C
26°C19/33°C
28°C24/35°C
26°C19/36°C
26°C20/35°C
26°C20/35°C
27°C19/35°C
28°C23/36°C
26°C22/32°C
26°C22/32°C
23°C17/29°C
20°C17/23°C
24°C21/29°C
25°C22/30°C
25°C20/29°C
24°C19/32°C
26°C20/33°C
27°C22/33°C
27°C23/34°C
26°C21/33°C
25°C19/34°C
24°C18/32°C
27°C23/33°C
--°C/°C
--°C/°C
56AQI
48AQI
57AQI
53AQI
2025 Days Vs Air Quality
Heping Water Plant, Lishui, Zhejiang, China
21%
59
68%
188
11%
29
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 21%
Health Risk Level:
Very high
In 2025, 21% of 276 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Heping Water Plant, Lishui, Zhejiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
147AQI
138AQI
140AQI
128AQI
135AQI
128AQI
138AQI
149AQI
128AQI
95AQI
97AQI
95AQI
98AQI
99AQI
130AQI
84AQI
108AQI
93AQI
97AQI
100AQI
125AQI
129AQI
105AQI
98AQI
92AQI
64AQI
68AQI
72AQI
111AQI
87AQI
94AQI
61AQI
58AQI
91AQI
87AQI
77AQI
88AQI
74AQI
64AQI
70AQI
85AQI
71AQI
95AQI
130AQI
131AQI
137AQI
96AQI
118AQI
89AQI
92AQI
55AQI
60AQI
58AQI
74AQI
109AQI
130AQI
129AQI
109AQI
92AQI
91AQI
83AQI
82AQI
56AQI
71AQI
64AQI
87AQI
91AQI
108AQI
99AQI
131AQI
99AQI
73AQI
64AQI
42AQI
69AQI
64AQI
68AQI
79AQI
74AQI
76AQI
75AQI
85AQI
93AQI
103AQI
121AQI
116AQI
88AQI
81AQI
69AQI
78AQI
72AQI
77AQI
85AQI
93AQI
87AQI
90AQI
89AQI
92AQI
98AQI
80AQI
86AQI
97AQI
104AQI
99AQI
85AQI
88AQI
96AQI
94AQI
86AQI
80AQI
80AQI
64AQI
69AQI
59AQI
52AQI
59AQI
61AQI
69AQI
77AQI
82AQI
83AQI
78AQI
87AQI
79AQI
71AQI
79AQI
92AQI
73AQI
68AQI
70AQI
73AQI
73AQI
71AQI
72AQI
85AQI
77AQI
71AQI
58AQI
66AQI
60AQI
62AQI
62AQI
59AQI
72AQI
87AQI
91AQI
93AQI
76AQI
63AQI
70AQI
74AQI
67AQI
64AQI
57AQI
68AQI
62AQI
68AQI
68AQI
66AQI
63AQI
62AQI
58AQI
49AQI
42AQI
51AQI
53AQI
54AQI
55AQI
49AQI
53AQI
45AQI
43AQI
37AQI
43AQI
41AQI
47AQI
49AQI
52AQI
47AQI
51AQI
47AQI
41AQI
38AQI
51AQI
54AQI
51AQI
46AQI
46AQI
48AQI
44AQI
47AQI
43AQI
45AQI
48AQI
52AQI
56AQI
60AQI
57AQI
56AQI
44AQI
41AQI
37AQI
39AQI
39AQI
39AQI
39AQI
35AQI
36AQI
36AQI
39AQI
44AQI
43AQI
55AQI
60AQI
57AQI
55AQI
50AQI
52AQI
48AQI
51AQI
53AQI
60AQI
59AQI
59AQI
48AQI
42AQI
42AQI
48AQI
48AQI
47AQI
50AQI
52AQI
53AQI
51AQI
53AQI
54AQI
54AQI
51AQI
48AQI
45AQI
47AQI
50AQI
54AQI
54AQI
55AQI
57AQI
62AQI
62AQI
60AQI
59AQI
59AQI
56AQI
54AQI
52AQI
54AQI
56AQI
55AQI
57AQI
53AQI
52AQI
55AQI
49AQI
52AQI
49AQI
49AQI
50AQI
41AQI
39AQI
35AQI
47AQI
49AQI
73AQI
78AQI
69AQI
51AQI
40AQI
109AQI
90AQI
83AQI
82AQI
74AQI
54AQI
45AQI
51AQI
54AQI
53AQI
No. of days
202571AQI
Highest AQI recorded in
January109AQI
Lowest AQI recorded in
July45AQI
202463AQI
Highest AQI recorded in
December112AQI
Lowest AQI recorded in
July42AQI
202374AQI
Highest AQI recorded in
November76AQI
Lowest AQI recorded in
December74AQI
202259AQI
Highest AQI recorded in
April71AQI
Lowest AQI recorded in
June41AQI
202162AQI
Highest AQI recorded in
January95AQI
Lowest AQI recorded in
July41AQI
202065AQI
Highest AQI recorded in
December97AQI
Lowest AQI recorded in
June44AQI
Most & Least Polluted Years Over the Last 6 Years
Heping Water Plant's annual 2025 AQI (71) shows an average percentage change of 10.6% (worsened AQI) compared to previous years: 2020 (65), 2021 (62), 2022 (59), 2023 (74), 2024 (63).