Maanshan Steel Factory Power Plant, Maanshan, Anhui, 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
Maanshan Steel Factory Power Plant, Maanshan, Anhui, China
AQI Trends: Highest and Lowest
Same Day Analysis (18th September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Maanshan Steel Factory Power Plant, Maanshan, Anhui, China
5 AM18th Sep 2025
6 PM
4 AM19th Sep 2025
62AQI
31AQI
60AQI
54AQI
In the last 24 hours,
Maanshan Steel Factory Power Plant's AQI reached its highest point of 62 at 5 AM during the Day, while the lowest point, 31, was recorded at 11 AM during the Day between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Maanshan Steel Factory Power Plant, Maanshan, Anhui, China
31°C28/36°C
31°C26/37°C
29°C25/35°C
30°C25/34°C
32°C27/37°C
31°C24/38°C
30°C26/35°C
31°C27/35°C
31°C27/37°C
31°C27/37°C
29°C26/34°C
25°C24/30°C
26°C24/30°C
27°C23/31°C
28°C24/33°C
29°C25/34°C
30°C25/35°C
29°C26/33°C
29°C25/34°C
28°C22/33°C
23°C23/24°C
25°C22/29°C
25°C23/29°C
26°C23/30°C
25°C22/29°C
27°C24/30°C
29°C24/34°C
30°C25/36°C
26°C22/31°C
22°C20/25°C
--°C/°C
65AQI
58AQI
63AQI
59AQI
2025 Days Vs Air Quality
Maanshan Steel Factory Power Plant, Maanshan, Anhui, China
5%
14
66%
172
25%
66
3%
8
0.3%
1
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Under WHO’s Safe Air Quality Limits: 5%
Health Risk Level:
Extreme
In 2025, 5% of 262 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
Maanshan Steel Factory Power Plant, Maanshan, Anhui, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
133AQI
151AQI
151AQI
158AQI
141AQI
132AQI
108AQI
126AQI
70AQI
99AQI
103AQI
108AQI
134AQI
142AQI
86AQI
113AQI
123AQI
135AQI
147AQI
148AQI
167AQI
170AQI
160AQI
119AQI
87AQI
132AQI
62AQI
97AQI
120AQI
112AQI
149AQI
89AQI
139AQI
125AQI
118AQI
104AQI
87AQI
77AQI
64AQI
77AQI
88AQI
111AQI
143AQI
126AQI
152AQI
128AQI
129AQI
105AQI
102AQI
107AQI
103AQI
90AQI
120AQI
136AQI
116AQI
152AQI
149AQI
142AQI
117AQI
103AQI
89AQI
71AQI
88AQI
101AQI
97AQI
105AQI
132AQI
112AQI
140AQI
117AQI
149AQI
94AQI
92AQI
78AQI
77AQI
70AQI
68AQI
82AQI
80AQI
76AQI
82AQI
100AQI
97AQI
94AQI
111AQI
120AQI
95AQI
121AQI
112AQI
80AQI
88AQI
98AQI
75AQI
112AQI
102AQI
100AQI
96AQI
104AQI
103AQI
111AQI
106AQI
295AQI
114AQI
113AQI
87AQI
82AQI
98AQI
104AQI
134AQI
80AQI
108AQI
96AQI
96AQI
100AQI
73AQI
75AQI
74AQI
87AQI
86AQI
87AQI
78AQI
81AQI
78AQI
71AQI
82AQI
106AQI
104AQI
86AQI
63AQI
65AQI
75AQI
77AQI
84AQI
92AQI
116AQI
75AQI
88AQI
89AQI
98AQI
83AQI
70AQI
89AQI
83AQI
104AQI
95AQI
105AQI
92AQI
97AQI
84AQI
91AQI
98AQI
60AQI
50AQI
75AQI
93AQI
75AQI
78AQI
60AQI
51AQI
70AQI
60AQI
76AQI
71AQI
59AQI
62AQI
45AQI
53AQI
58AQI
54AQI
51AQI
55AQI
51AQI
53AQI
59AQI
54AQI
59AQI
61AQI
54AQI
51AQI
50AQI
54AQI
55AQI
56AQI
65AQI
60AQI
64AQI
67AQI
61AQI
56AQI
55AQI
70AQI
65AQI
61AQI
67AQI
68AQI
68AQI
69AQI
64AQI
66AQI
57AQI
51AQI
46AQI
47AQI
47AQI
48AQI
56AQI
49AQI
51AQI
49AQI
54AQI
47AQI
45AQI
54AQI
50AQI
55AQI
57AQI
66AQI
57AQI
53AQI
55AQI
59AQI
58AQI
51AQI
58AQI
57AQI
49AQI
48AQI
53AQI
56AQI
57AQI
59AQI
57AQI
57AQI
56AQI
54AQI
57AQI
58AQI
56AQI
62AQI
60AQI
61AQI
58AQI
54AQI
58AQI
59AQI
60AQI
83AQI
80AQI
74AQI
76AQI
71AQI
60AQI
59AQI
62AQI
59AQI
56AQI
59AQI
56AQI
64AQI
60AQI
54AQI
125AQI
114AQI
98AQI
103AQI
87AQI
60AQI
58AQI
56AQI
64AQI
No. of days
202586AQI
Highest AQI recorded in
January125AQI
Lowest AQI recorded in
August56AQI
202479AQI
Highest AQI recorded in
January138AQI
Lowest AQI recorded in
July49AQI
2023121AQI
Highest AQI recorded in
December122AQI
Lowest AQI recorded in
November110AQI
202193AQI
Highest AQI recorded in
January93AQI
Lowest AQI recorded in
January93AQI
202087AQI
Highest AQI recorded in
December140AQI
Lowest AQI recorded in
June61AQI
Most & Least Polluted Years Over the Last 5 Years
Maanshan Steel Factory Power Plant's annual 2025 AQI (86) shows an average percentage change of -7.5% (improved AQI) compared to previous years: 2020 (87), 2021 (93), 2023 (121), 2024 (79).