Sizhan, Ningxia, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Sizhan, Ningxia, China
AQI Trends: Highest and Lowest
Same Day Analysis (1st July ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 60 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Jul - 2nd Jul 2025
Sizhan, Ningxia, China
5 AM1st Jul 2025
8 PM
4 AM2nd Jul 2025
75AQI
33AQI
63AQI
55AQI
In the last 24 hours,
Sizhan's AQI reached its highest point of 75 at 9 AM during the Day, while the lowest point, 33, was recorded at 5 PM during the Day between 1st Jul and 2nd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Sizhan, Ningxia, China
19°C12/25°C
20°C12/28°C
23°C16/30°C
24°C17/31°C
27°C18/33°C
28°C25/31°C
26°C19/32°C
26°C21/31°C
24°C16/33°C
28°C19/37°C
26°C20/32°C
22°C16/30°C
17°C15/20°C
20°C14/27°C
25°C17/32°C
26°C18/33°C
26°C22/31°C
24°C19/29°C
25°C17/32°C
26°C18/32°C
27°C22/32°C
24°C19/29°C
24°C17/31°C
20°C18/25°C
21°C13/27°C
22°C17/27°C
24°C16/30°C
24°C19/31°C
22°C15/28°C
24°C19/29°C
0°C0/0°C
73AQI
58AQI
66AQI
62AQI
2025 Days Vs Air Quality
Sizhan, Ningxia, China
0.5%
1
65%
118
29%
52
4%
8
0.5%
1
1%
2
Total number of days with different AQI categories in last 183 days in 2025 (182 days remaining)
Under WHO’s Safe Air Quality Limits: 0.55%
Health Risk Level:
Extreme
In 2025, 0.55% of 183 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
Sizhan, Ningxia, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
128AQI
107AQI
125AQI
124AQI
98AQI
95AQI
102AQI
89AQI
93AQI
88AQI
82AQI
95AQI
117AQI
73AQI
104AQI
106AQI
116AQI
141AQI
140AQI
158AQI
152AQI
152AQI
140AQI
164AQI
101AQI
91AQI
93AQI
117AQI
158AQI
163AQI
167AQI
133AQI
86AQI
86AQI
67AQI
67AQI
97AQI
80AQI
77AQI
103AQI
127AQI
92AQI
93AQI
105AQI
80AQI
81AQI
80AQI
74AQI
69AQI
58AQI
76AQI
69AQI
57AQI
55AQI
66AQI
72AQI
74AQI
76AQI
79AQI
97AQI
64AQI
82AQI
85AQI
74AQI
74AQI
80AQI
80AQI
107AQI
103AQI
106AQI
72AQI
78AQI
90AQI
65AQI
75AQI
64AQI
67AQI
70AQI
80AQI
90AQI
107AQI
490AQI
408AQI
296AQI
173AQI
121AQI
103AQI
86AQI
83AQI
74AQI
73AQI
79AQI
110AQI
75AQI
87AQI
107AQI
98AQI
122AQI
82AQI
109AQI
124AQI
109AQI
92AQI
85AQI
105AQI
135AQI
109AQI
106AQI
109AQI
129AQI
130AQI
121AQI
104AQI
85AQI
83AQI
96AQI
79AQI
83AQI
114AQI
111AQI
105AQI
108AQI
82AQI
103AQI
146AQI
120AQI
132AQI
114AQI
100AQI
87AQI
81AQI
98AQI
108AQI
101AQI
88AQI
139AQI
98AQI
106AQI
90AQI
99AQI
91AQI
91AQI
86AQI
95AQI
84AQI
84AQI
81AQI
95AQI
86AQI
85AQI
80AQI
77AQI
69AQI
56AQI
68AQI
56AQI
66AQI
68AQI
64AQI
69AQI
67AQI
72AQI
87AQI
72AQI
69AQI
71AQI
66AQI
74AQI
79AQI
64AQI
61AQI
56AQI
48AQI
53AQI
60AQI
58AQI
53AQI
58AQI
69AQI
63AQI
62AQI
60AQI
119AQI
81AQI
118AQI
102AQI
99AQI
65AQI
60AQI
No. of days
202597AQI
Highest AQI recorded in
January119AQI
Lowest AQI recorded in
July60AQI
202491AQI
Highest AQI recorded in
February135AQI
Lowest AQI recorded in
June58AQI
2023103AQI
Highest AQI recorded in
April134AQI
Lowest AQI recorded in
July71AQI
2021212AQI
Highest AQI recorded in
January212AQI
Lowest AQI recorded in
January212AQI
202099AQI
Highest AQI recorded in
December151AQI
Lowest AQI recorded in
August72AQI
Most & Least Polluted Years Over the Last 5 Years
Sizhan's annual 2025 AQI (97) shows an average percentage change of -13.4% (improved AQI) compared to previous years: 2020 (99), 2021 (212), 2023 (103), 2024 (91).