Environment Protection Office, Linxia Chengguanzhen, Gansu, 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
Environment Protection Office, Linxia Chengguanzhen, Gansu, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 63 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Environment Protection Office, Linxia Chengguanzhen, Gansu, China
5 AM2nd Jul 2025
8 PM
4 AM3rd Jul 2025
70AQI
58AQI
62AQI
58AQI
In the last 24 hours,
Environment Protection Office's AQI reached its highest point of 70 at 10 AM during the Day, while the lowest point, 58, was recorded at 12 AM during the Night between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Environment Protection Office, Linxia Chengguanzhen, Gansu, China
14°C9/20°C
15°C7/23°C
16°C10/23°C
17°C11/22°C
19°C12/24°C
18°C12/26°C
15°C10/20°C
17°C10/26°C
20°C10/29°C
20°C11/30°C
17°C11/28°C
15°C9/23°C
16°C8/25°C
18°C10/27°C
18°C13/24°C
20°C13/26°C
18°C15/22°C
19°C12/26°C
19°C13/26°C
16°C10/24°C
17°C9/25°C
13°C10/15°C
16°C8/25°C
18°C12/28°C
19°C10/27°C
21°C13/29°C
16°C12/23°C
17°C9/25°C
16°C13/22°C
19°C12/27°C
0°C0/0°C
89AQI
78AQI
88AQI
81AQI
2025 Days Vs Air Quality
Environment Protection Office, Linxia Chengguanzhen, Gansu, China
55%
101
44%
80
1%
2
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 184 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
Environment Protection Office, Linxia Chengguanzhen, Gansu, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
101AQI
127AQI
123AQI
112AQI
123AQI
118AQI
96AQI
100AQI
97AQI
90AQI
92AQI
99AQI
107AQI
88AQI
112AQI
121AQI
116AQI
98AQI
125AQI
110AQI
134AQI
129AQI
157AQI
127AQI
101AQI
95AQI
101AQI
131AQI
135AQI
128AQI
123AQI
121AQI
91AQI
93AQI
87AQI
75AQI
74AQI
74AQI
84AQI
94AQI
96AQI
93AQI
103AQI
109AQI
70AQI
76AQI
75AQI
74AQI
72AQI
78AQI
76AQI
84AQI
74AQI
66AQI
71AQI
68AQI
66AQI
68AQI
74AQI
80AQI
61AQI
73AQI
73AQI
64AQI
70AQI
77AQI
78AQI
78AQI
75AQI
106AQI
91AQI
91AQI
91AQI
93AQI
89AQI
77AQI
80AQI
83AQI
87AQI
90AQI
94AQI
82AQI
103AQI
136AQI
152AQI
106AQI
136AQI
105AQI
131AQI
127AQI
144AQI
140AQI
149AQI
148AQI
120AQI
130AQI
119AQI
135AQI
129AQI
118AQI
120AQI
150AQI
119AQI
112AQI
98AQI
123AQI
119AQI
138AQI
143AQI
146AQI
136AQI
138AQI
108AQI
117AQI
109AQI
107AQI
108AQI
95AQI
92AQI
122AQI
103AQI
120AQI
120AQI
104AQI
128AQI
135AQI
132AQI
112AQI
106AQI
94AQI
89AQI
88AQI
89AQI
90AQI
96AQI
96AQI
137AQI
101AQI
108AQI
102AQI
117AQI
105AQI
87AQI
94AQI
77AQI
80AQI
75AQI
84AQI
90AQI
105AQI
104AQI
94AQI
93AQI
93AQI
93AQI
80AQI
87AQI
95AQI
97AQI
93AQI
88AQI
102AQI
101AQI
111AQI
101AQI
100AQI
98AQI
92AQI
84AQI
77AQI
74AQI
77AQI
73AQI
72AQI
68AQI
71AQI
69AQI
64AQI
64AQI
69AQI
63AQI
61AQI
63AQI
113AQI
82AQI
93AQI
124AQI
102AQI
85AQI
62AQI
No. of days
2025100AQI
Highest AQI recorded in
April124AQI
Lowest AQI recorded in
July62AQI
202472AQI
Highest AQI recorded in
December102AQI
Lowest AQI recorded in
July57AQI
202379AQI
Highest AQI recorded in
December81AQI
Lowest AQI recorded in
November53AQI
2021194AQI
Highest AQI recorded in
January194AQI
Lowest AQI recorded in
January194AQI
202074AQI
Highest AQI recorded in
December125AQI
Lowest AQI recorded in
September47AQI
Most & Least Polluted Years Over the Last 5 Years
Environment Protection Office's annual 2025 AQI (100) shows an average percentage change of 13.07% (worsened AQI) compared to previous years: 2020 (74), 2021 (194), 2023 (79), 2024 (72).