Pujiang Middle School, Yiwu, Zhejiang, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Pujiang Middle School, Yiwu, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 59 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Pujiang Middle School, Yiwu, Zhejiang, China
5 AM5th Aug 2025
6 PM
4 AM6th Aug 2025
68AQI
50AQI
58AQI
54AQI
In the last 24 hours,
Pujiang Middle School's AQI reached its highest point of 68 at 8 AM during the Day, while the lowest point, 50, was recorded at 5 PM during the Day between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Pujiang Middle School, Yiwu, Zhejiang, China
27°C22/35°C
25°C24/28°C
27°C23/32°C
26°C23/32°C
26°C23/30°C
27°C23/32°C
27°C23/31°C
27°C22/33°C
29°C23/35°C
30°C26/35°C
29°C24/34°C
28°C23/33°C
26°C23/32°C
27°C24/32°C
27°C24/32°C
26°C23/28°C
27°C22/32°C
27°C23/33°C
26°C23/29°C
27°C24/30°C
27°C24/32°C
26°C23/30°C
26°C23/31°C
26°C23/30°C
27°C21/32°C
28°C23/34°C
29°C25/35°C
29°C24/36°C
28°C24/35°C
28°C24/34°C
--°C/°C
52AQI
45AQI
52AQI
48AQI
2025 Days Vs Air Quality
Pujiang Middle School, Yiwu, Zhejiang, China
14%
31
59%
128
25%
55
0.9%
2
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 14%
Health Risk Level:
Extreme
In 2025, 14% of 218 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
Pujiang Middle School, Yiwu, Zhejiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
150AQI
151AQI
149AQI
141AQI
146AQI
141AQI
147AQI
146AQI
116AQI
96AQI
105AQI
114AQI
126AQI
126AQI
109AQI
96AQI
112AQI
116AQI
119AQI
147AQI
150AQI
149AQI
133AQI
106AQI
97AQI
79AQI
68AQI
76AQI
127AQI
101AQI
113AQI
62AQI
90AQI
119AQI
104AQI
92AQI
101AQI
78AQI
67AQI
76AQI
94AQI
105AQI
116AQI
147AQI
135AQI
152AQI
98AQI
120AQI
88AQI
103AQI
73AQI
71AQI
72AQI
106AQI
127AQI
139AQI
141AQI
134AQI
102AQI
101AQI
89AQI
71AQI
58AQI
72AQI
72AQI
102AQI
105AQI
116AQI
124AQI
127AQI
113AQI
85AQI
76AQI
50AQI
84AQI
63AQI
77AQI
84AQI
80AQI
76AQI
81AQI
85AQI
93AQI
97AQI
117AQI
105AQI
82AQI
83AQI
78AQI
71AQI
81AQI
83AQI
106AQI
100AQI
90AQI
98AQI
94AQI
96AQI
109AQI
84AQI
93AQI
124AQI
101AQI
105AQI
80AQI
84AQI
90AQI
96AQI
92AQI
100AQI
87AQI
75AQI
76AQI
75AQI
71AQI
74AQI
70AQI
80AQI
83AQI
84AQI
79AQI
82AQI
85AQI
75AQI
73AQI
89AQI
103AQI
79AQI
67AQI
70AQI
70AQI
74AQI
77AQI
79AQI
104AQI
77AQI
78AQI
78AQI
74AQI
67AQI
53AQI
66AQI
52AQI
78AQI
91AQI
91AQI
94AQI
77AQI
69AQI
76AQI
76AQI
64AQI
58AQI
62AQI
72AQI
65AQI
73AQI
74AQI
64AQI
63AQI
62AQI
53AQI
62AQI
49AQI
53AQI
51AQI
52AQI
59AQI
56AQI
54AQI
49AQI
45AQI
33AQI
39AQI
47AQI
54AQI
54AQI
55AQI
51AQI
49AQI
50AQI
43AQI
47AQI
54AQI
57AQI
55AQI
50AQI
45AQI
46AQI
46AQI
50AQI
49AQI
47AQI
52AQI
57AQI
62AQI
62AQI
60AQI
60AQI
47AQI
42AQI
38AQI
40AQI
43AQI
44AQI
46AQI
39AQI
43AQI
39AQI
45AQI
39AQI
41AQI
55AQI
60AQI
59AQI
59AQI
121AQI
104AQI
88AQI
89AQI
78AQI
56AQI
48AQI
58AQI
No. of days
202583AQI
Highest AQI recorded in
January121AQI
Lowest AQI recorded in
July48AQI
202473AQI
Highest AQI recorded in
December119AQI
Lowest AQI recorded in
July52AQI
202391AQI
Highest AQI recorded in
November91AQI
Lowest AQI recorded in
December91AQI
202267AQI
Highest AQI recorded in
May79AQI
Lowest AQI recorded in
July52AQI
202178AQI
Highest AQI recorded in
January116AQI
Lowest AQI recorded in
July51AQI
202078AQI
Highest AQI recorded in
December124AQI
Lowest AQI recorded in
June58AQI
Most & Least Polluted Years Over the Last 6 Years
Pujiang Middle School's annual 2025 AQI (83) shows an average percentage change of 7.7% (worsened AQI) compared to previous years: 2020 (78), 2021 (78), 2022 (67), 2023 (91), 2024 (73).