Pee, Hangzhou, 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
Pee, Hangzhou, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 63 of Moderate air quality, showing improvement over 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Pee, Hangzhou, Zhejiang, China
5 AM17th Sep 2025
6 PM
4 AM18th Sep 2025
69AQI
57AQI
63AQI
58AQI
In the last 24 hours,
Pee's AQI reached its highest point of 69 at 8 AM during the Day, while the lowest point, 57, was recorded at 4 PM during the Day between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Pee, Hangzhou, Zhejiang, China
31°C27/38°C
31°C27/39°C
31°C26/38°C
30°C25/37°C
31°C26/38°C
32°C27/40°C
30°C25/39°C
30°C25/36°C
31°C26/37°C
32°C26/38°C
31°C26/37°C
31°C27/38°C
29°C25/38°C
29°C25/34°C
27°C25/31°C
30°C24/37°C
30°C26/35°C
30°C26/36°C
30°C26/37°C
31°C26/36°C
31°C27/39°C
26°C24/32°C
26°C24/29°C
27°C24/30°C
29°C25/36°C
28°C24/33°C
28°C25/34°C
29°C25/35°C
30°C26/36°C
29°C25/35°C
--°C/°C
59AQI
59AQI
59AQI
59AQI
2025 Days Vs Air Quality
Pee, Hangzhou, Zhejiang, China
10%
25
68%
176
20%
52
2%
6
0.3%
1
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 10%
Health Risk Level:
Extreme
In 2025, 10% of 261 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
Pee, Hangzhou, Zhejiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
147AQI
140AQI
148AQI
144AQI
156AQI
144AQI
137AQI
135AQI
94AQI
100AQI
102AQI
119AQI
129AQI
141AQI
82AQI
98AQI
106AQI
133AQI
121AQI
158AQI
162AQI
164AQI
138AQI
104AQI
85AQI
86AQI
64AQI
79AQI
134AQI
109AQI
123AQI
70AQI
115AQI
121AQI
104AQI
94AQI
117AQI
77AQI
74AQI
77AQI
102AQI
129AQI
131AQI
144AQI
137AQI
151AQI
97AQI
113AQI
92AQI
117AQI
89AQI
82AQI
103AQI
134AQI
130AQI
157AQI
144AQI
133AQI
106AQI
97AQI
86AQI
59AQI
56AQI
74AQI
85AQI
114AQI
115AQI
109AQI
124AQI
120AQI
94AQI
78AQI
72AQI
51AQI
83AQI
67AQI
81AQI
89AQI
88AQI
76AQI
84AQI
80AQI
93AQI
84AQI
121AQI
96AQI
79AQI
82AQI
82AQI
71AQI
87AQI
87AQI
107AQI
107AQI
90AQI
101AQI
95AQI
101AQI
112AQI
94AQI
97AQI
220AQI
81AQI
101AQI
73AQI
79AQI
85AQI
96AQI
113AQI
110AQI
106AQI
87AQI
84AQI
95AQI
67AQI
80AQI
69AQI
88AQI
81AQI
90AQI
75AQI
78AQI
82AQI
61AQI
77AQI
88AQI
100AQI
80AQI
56AQI
56AQI
61AQI
74AQI
78AQI
81AQI
123AQI
79AQI
80AQI
79AQI
72AQI
67AQI
51AQI
71AQI
48AQI
79AQI
91AQI
89AQI
95AQI
79AQI
73AQI
88AQI
87AQI
63AQI
49AQI
67AQI
80AQI
65AQI
70AQI
87AQI
50AQI
64AQI
60AQI
61AQI
70AQI
58AQI
55AQI
39AQI
46AQI
58AQI
59AQI
56AQI
51AQI
52AQI
52AQI
49AQI
56AQI
66AQI
65AQI
56AQI
53AQI
53AQI
56AQI
49AQI
55AQI
57AQI
59AQI
58AQI
55AQI
51AQI
49AQI
53AQI
59AQI
54AQI
52AQI
57AQI
60AQI
62AQI
62AQI
63AQI
63AQI
52AQI
51AQI
47AQI
48AQI
51AQI
48AQI
50AQI
43AQI
44AQI
43AQI
46AQI
37AQI
37AQI
54AQI
59AQI
58AQI
62AQI
58AQI
54AQI
50AQI
50AQI
53AQI
57AQI
58AQI
59AQI
55AQI
45AQI
43AQI
46AQI
51AQI
50AQI
53AQI
59AQI
63AQI
58AQI
54AQI
56AQI
56AQI
57AQI
56AQI
50AQI
52AQI
52AQI
54AQI
56AQI
55AQI
57AQI
72AQI
72AQI
66AQI
73AQI
68AQI
58AQI
55AQI
57AQI
59AQI
60AQI
56AQI
61AQI
63AQI
63AQI
122AQI
112AQI
87AQI
96AQI
77AQI
59AQI
52AQI
54AQI
62AQI
No. of days
202581AQI
Highest AQI recorded in
January122AQI
Lowest AQI recorded in
July52AQI
202479AQI
Highest AQI recorded in
January131AQI
Lowest AQI recorded in
July50AQI
202384AQI
Highest AQI recorded in
January109AQI
Lowest AQI recorded in
July48AQI
202282AQI
Highest AQI recorded in
January123AQI
Lowest AQI recorded in
July58AQI
202181AQI
Highest AQI recorded in
January119AQI
Lowest AQI recorded in
July63AQI
202076AQI
Highest AQI recorded in
December124AQI
Lowest AQI recorded in
June56AQI
Most & Least Polluted Years Over the Last 6 Years
Pee's annual 2025 AQI (81) shows an average percentage change of 0.5% (worsened AQI) compared to previous years: 2020 (76), 2021 (81), 2022 (82), 2023 (84), 2024 (79).