City Environmental Building, Wuyuan, Inner Mongolia, 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
City Environmental Building, Wuyuan, Inner Mongolia, China
AQI Trends: Highest and Lowest
Same Day Analysis (27th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 73 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 27th Sep - 28th Sep 2025
City Environmental Building, Wuyuan, Inner Mongolia, China
6 AM27th Sep 2025
7 PM
5 AM28th Sep 2025
86AQI
37AQI
79AQI
64AQI
In the last 24 hours,
City Environmental Building's AQI reached its highest point of 86 at 7 AM during the Day, while the lowest point, 37, was recorded at 2 PM during the Day between 27th Sep and 28th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
City Environmental Building, Wuyuan, Inner Mongolia, China
24°C19/29°C
24°C20/30°C
24°C18/31°C
26°C20/33°C
24°C20/27°C
23°C18/29°C
24°C19/29°C
21°C17/25°C
22°C16/29°C
19°C14/24°C
23°C16/30°C
25°C19/32°C
26°C20/32°C
24°C20/30°C
24°C18/30°C
20°C16/25°C
20°C13/26°C
20°C16/26°C
17°C13/20°C
15°C11/20°C
17°C13/21°C
19°C15/23°C
20°C17/23°C
17°C14/21°C
16°C12/21°C
17°C12/22°C
17°C12/23°C
20°C16/25°C
20°C16/25°C
20°C16/25°C
--°C/°C
67AQI
58AQI
66AQI
65AQI
2025 Days Vs Air Quality
City Environmental Building, Wuyuan, Inner Mongolia, China
1%
4
87%
236
8%
21
2%
6
0.7%
2
0.3%
1
Total number of days with different AQI categories in last 271 days in 2025 (94 days remaining)
Under WHO’s Safe Air Quality Limits: 1%
Health Risk Level:
Extreme
In 2025, 1% of 271 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
City Environmental Building, Wuyuan, Inner Mongolia, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
86AQI
76AQI
81AQI
113AQI
80AQI
89AQI
72AQI
77AQI
76AQI
75AQI
73AQI
82AQI
95AQI
73AQI
82AQI
81AQI
115AQI
85AQI
90AQI
99AQI
120AQI
106AQI
137AQI
153AQI
196AQI
98AQI
95AQI
94AQI
163AQI
141AQI
135AQI
113AQI
83AQI
74AQI
69AQI
82AQI
74AQI
69AQI
64AQI
73AQI
84AQI
96AQI
83AQI
79AQI
70AQI
68AQI
61AQI
66AQI
52AQI
56AQI
52AQI
50AQI
41AQI
45AQI
55AQI
55AQI
66AQI
65AQI
71AQI
74AQI
61AQI
67AQI
83AQI
62AQI
60AQI
65AQI
71AQI
75AQI
101AQI
119AQI
73AQI
86AQI
75AQI
61AQI
63AQI
64AQI
64AQI
57AQI
68AQI
79AQI
98AQI
374AQI
279AQI
160AQI
183AQI
128AQI
97AQI
75AQI
69AQI
65AQI
68AQI
63AQI
107AQI
62AQI
88AQI
105AQI
81AQI
103AQI
70AQI
93AQI
183AQI
79AQI
88AQI
64AQI
95AQI
223AQI
86AQI
101AQI
79AQI
112AQI
122AQI
99AQI
84AQI
74AQI
74AQI
94AQI
60AQI
66AQI
91AQI
81AQI
81AQI
77AQI
63AQI
100AQI
125AQI
92AQI
119AQI
108AQI
92AQI
77AQI
72AQI
99AQI
83AQI
71AQI
73AQI
141AQI
79AQI
96AQI
79AQI
96AQI
74AQI
82AQI
84AQI
98AQI
81AQI
79AQI
72AQI
88AQI
83AQI
77AQI
68AQI
68AQI
56AQI
50AQI
57AQI
54AQI
60AQI
52AQI
55AQI
55AQI
55AQI
63AQI
64AQI
68AQI
62AQI
60AQI
56AQI
59AQI
60AQI
57AQI
59AQI
58AQI
54AQI
57AQI
58AQI
59AQI
59AQI
60AQI
68AQI
65AQI
58AQI
63AQI
58AQI
66AQI
62AQI
55AQI
55AQI
53AQI
60AQI
54AQI
60AQI
59AQI
68AQI
63AQI
68AQI
62AQI
55AQI
55AQI
63AQI
56AQI
55AQI
53AQI
57AQI
62AQI
62AQI
61AQI
56AQI
59AQI
59AQI
52AQI
53AQI
59AQI
60AQI
63AQI
60AQI
58AQI
57AQI
58AQI
59AQI
55AQI
56AQI
55AQI
65AQI
66AQI
61AQI
59AQI
61AQI
57AQI
58AQI
57AQI
56AQI
57AQI
55AQI
60AQI
54AQI
59AQI
57AQI
59AQI
55AQI
53AQI
55AQI
59AQI
57AQI
58AQI
75AQI
80AQI
54AQI
65AQI
66AQI
61AQI
63AQI
68AQI
68AQI
69AQI
70AQI
71AQI
65AQI
69AQI
60AQI
59AQI
60AQI
63AQI
63AQI
60AQI
63AQI
60AQI
59AQI
67AQI
61AQI
73AQI
101AQI
68AQI
99AQI
93AQI
87AQI
59AQI
59AQI
58AQI
65AQI
No. of days
202577AQI
Highest AQI recorded in
January101AQI
Lowest AQI recorded in
August58AQI
202487AQI
Highest AQI recorded in
April107AQI
Lowest AQI recorded in
August58AQI
202394AQI
Highest AQI recorded in
April124AQI
Lowest AQI recorded in
July69AQI
202293AQI
Highest AQI recorded in
January116AQI
Lowest AQI recorded in
August52AQI
202197AQI
Highest AQI recorded in
March171AQI
Lowest AQI recorded in
July67AQI
202078AQI
Highest AQI recorded in
November101AQI
Lowest AQI recorded in
September59AQI
Most & Least Polluted Years Over the Last 6 Years
City Environmental Building's annual 2025 AQI (77) shows an average percentage change of -13.6% (improved AQI) compared to previous years: 2020 (78), 2021 (97), 2022 (93), 2023 (94), 2024 (87).