High Tech Zone, Zaozhuang, Shandong, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
November Air Quality Analysis
High Tech Zone, Zaozhuang, Shandong, China
AQI Trends: Highest and Lowest
Same Day Analysis (21st November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 191 of Unhealthy air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Nov - 22nd Nov 2025
High Tech Zone, Zaozhuang, Shandong, China
6 AM21st Nov 2025
5 PM
5 AM22nd Nov 2025
AQI
AQI
204AQI
143AQI
In the last 24 hours,
High Tech Zone's AQI reached its highest point of 204 at 7 AM during the Night, while the lowest point, 143, was recorded at 6 PM during the Night between 21st Nov and 22nd Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
High Tech Zone, Zaozhuang, Shandong, China
11°C7/16°C
12°C8/16°C
11°C11/12°C
13°C10/17°C
11°C7/16°C
13°C8/18°C
13°C9/18°C
15°C12/19°C
15°C12/19°C
15°C11/20°C
12°C8/16°C
9°C5/15°C
12°C7/17°C
12°C8/18°C
14°C10/19°C
14°C14/16°C
13°C12/15°C
13°C9/18°C
10°C7/15°C
12°C8/17°C
12°C8/17°C
13°C9/18°C
13°C8/17°C
14°C11/19°C
13°C7/19°C
4°C1/5°C
2°C-1/7°C
5°C0/10°C
7°C3/13°C
--°C/°C
--°C/°C
147AQI
118AQI
151AQI
120AQI
2025 Days Vs Air Quality
High Tech Zone, Zaozhuang, Shandong, China
2%
6
62%
202
26%
85
9%
30
0.6%
2
Total number of days with different AQI categories in last 325 days in 2025 (40 days remaining)
Under WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% of 325 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
High Tech Zone, Zaozhuang, Shandong, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
168AQI
175AQI
156AQI
178AQI
172AQI
103AQI
122AQI
92AQI
90AQI
97AQI
140AQI
134AQI
165AQI
141AQI
102AQI
144AQI
131AQI
163AQI
163AQI
173AQI
192AQI
174AQI
157AQI
125AQI
136AQI
140AQI
81AQI
109AQI
140AQI
148AQI
179AQI
165AQI
180AQI
148AQI
129AQI
90AQI
115AQI
60AQI
81AQI
96AQI
113AQI
135AQI
128AQI
136AQI
142AQI
147AQI
127AQI
100AQI
126AQI
103AQI
108AQI
117AQI
131AQI
101AQI
106AQI
127AQI
144AQI
158AQI
166AQI
158AQI
79AQI
96AQI
117AQI
129AQI
136AQI
142AQI
147AQI
150AQI
152AQI
163AQI
167AQI
117AQI
95AQI
116AQI
70AQI
86AQI
59AQI
88AQI
94AQI
83AQI
87AQI
116AQI
120AQI
119AQI
131AQI
121AQI
140AQI
73AQI
97AQI
99AQI
100AQI
66AQI
86AQI
116AQI
78AQI
91AQI
100AQI
117AQI
124AQI
124AQI
119AQI
151AQI
92AQI
77AQI
71AQI
84AQI
110AQI
123AQI
109AQI
102AQI
92AQI
102AQI
99AQI
86AQI
80AQI
70AQI
92AQI
70AQI
79AQI
82AQI
77AQI
97AQI
53AQI
79AQI
84AQI
94AQI
100AQI
83AQI
49AQI
54AQI
72AQI
71AQI
83AQI
94AQI
111AQI
120AQI
130AQI
87AQI
113AQI
101AQI
102AQI
99AQI
104AQI
86AQI
81AQI
85AQI
94AQI
82AQI
87AQI
83AQI
122AQI
100AQI
90AQI
84AQI
87AQI
89AQI
90AQI
85AQI
118AQI
90AQI
80AQI
87AQI
73AQI
91AQI
82AQI
75AQI
63AQI
65AQI
63AQI
65AQI
59AQI
69AQI
62AQI
69AQI
66AQI
82AQI
79AQI
70AQI
65AQI
56AQI
60AQI
63AQI
56AQI
65AQI
58AQI
59AQI
59AQI
69AQI
65AQI
60AQI
74AQI
80AQI
73AQI
79AQI
61AQI
72AQI
70AQI
69AQI
72AQI
72AQI
62AQI
61AQI
60AQI
58AQI
59AQI
63AQI
56AQI
54AQI
54AQI
59AQI
60AQI
55AQI
54AQI
54AQI
58AQI
64AQI
62AQI
67AQI
76AQI
67AQI
56AQI
56AQI
49AQI
52AQI
53AQI
57AQI
60AQI
55AQI
59AQI
62AQI
61AQI
57AQI
58AQI
57AQI
56AQI
59AQI
67AQI
64AQI
63AQI
66AQI
65AQI
63AQI
53AQI
55AQI
58AQI
60AQI
66AQI
69AQI
62AQI
70AQI
63AQI
59AQI
64AQI
57AQI
55AQI
63AQI
65AQI
68AQI
55AQI
49AQI
50AQI
41AQI
57AQI
65AQI
61AQI
53AQI
60AQI
75AQI
85AQI
63AQI
61AQI
106AQI
70AQI
83AQI
47AQI
57AQI
98AQI
84AQI
102AQI
113AQI
116AQI
83AQI
104AQI
99AQI
68AQI
59AQI
79AQI
91AQI
69AQI
95AQI
64AQI
71AQI
75AQI
77AQI
90AQI
93AQI
94AQI
162AQI
154AQI
144AQI
134AQI
116AQI
118AQI
174AQI
186AQI
131AQI
99AQI
139AQI
149AQI
112AQI
130AQI
91AQI
153AQI
141AQI
113AQI
138AQI
166AQI
189AQI
203AQI
209AQI
68AQI
81AQI
129AQI
146AQI
191AQI
142AQI
124AQI
114AQI
96AQI
90AQI
77AQI
64AQI
60AQI
63AQI
97AQI
141AQI
No. of days
202596AQI
Highest AQI recorded in
January142AQI
Lowest AQI recorded in
August60AQI
2024101AQI
Highest AQI recorded in
January157AQI
Lowest AQI recorded in
July63AQI
2023105AQI
Highest AQI recorded in
December148AQI
Lowest AQI recorded in
July59AQI
2022106AQI
Highest AQI recorded in
January163AQI
Lowest AQI recorded in
July64AQI
2021109AQI
Highest AQI recorded in
January157AQI
Lowest AQI recorded in
July53AQI
2020106AQI
Highest AQI recorded in
December160AQI
Lowest AQI recorded in
August60AQI
Most & Least Polluted Years Over the Last 6 Years
High Tech Zone's annual 2025 AQI (96) shows an average percentage change of -9.2% (improved AQI) compared to previous years: 2020 (106), 2021 (109), 2022 (106), 2023 (105), 2024 (101).