State Environmental Monitoring Station, Chuxiong, Yunnan, 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
State Environmental Monitoring Station, Chuxiong, Yunnan, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 39 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025
State Environmental Monitoring Station, Chuxiong, Yunnan, China
5 AM3rd Jul 2025
7 PM
4 AM4th Jul 2025
48AQI
18AQI
44AQI
30AQI
In the last 24 hours,
State Environmental Monitoring Station's AQI reached its highest point of 48 at 5 AM during the Day, while the lowest point, 18, was recorded at 5 PM during the Day between 3rd Jul and 4th Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
State Environmental Monitoring Station, Chuxiong, Yunnan, China
17°C14/22°C
20°C15/26°C
21°C15/26°C
21°C16/26°C
21°C17/26°C
19°C15/25°C
15°C13/15°C
19°C14/25°C
21°C15/27°C
22°C16/29°C
23°C17/30°C
21°C17/24°C
21°C16/26°C
20°C17/24°C
20°C16/25°C
20°C16/25°C
19°C16/22°C
19°C16/23°C
16°C16/17°C
18°C16/21°C
19°C16/24°C
19°C16/24°C
19°C15/25°C
20°C15/26°C
19°C16/24°C
20°C16/25°C
19°C17/23°C
19°C15/25°C
19°C16/23°C
19°C16/24°C
0°C0/0°C
54AQI
41AQI
55AQI
50AQI
2025 Days Vs Air Quality
State Environmental Monitoring Station, Chuxiong, Yunnan, China
15%
28
73%
135
11%
21
Total number of days with different AQI categories in last 185 days in 2025 (180 days remaining)
Under WHO’s Safe Air Quality Limits: 15%
Health Risk Level:
Extreme
In 2025, 15% of 185 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
State Environmental Monitoring Station, Chuxiong, Yunnan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
70AQI
76AQI
76AQI
77AQI
77AQI
80AQI
73AQI
86AQI
71AQI
78AQI
66AQI
77AQI
77AQI
72AQI
116AQI
102AQI
91AQI
83AQI
77AQI
77AQI
76AQI
74AQI
70AQI
54AQI
60AQI
61AQI
60AQI
72AQI
76AQI
70AQI
75AQI
87AQI
86AQI
78AQI
83AQI
84AQI
90AQI
87AQI
77AQI
70AQI
68AQI
67AQI
73AQI
82AQI
75AQI
68AQI
74AQI
54AQI
59AQI
62AQI
60AQI
65AQI
62AQI
67AQI
54AQI
58AQI
45AQI
45AQI
55AQI
60AQI
61AQI
61AQI
62AQI
68AQI
77AQI
79AQI
71AQI
71AQI
67AQI
70AQI
84AQI
100AQI
101AQI
101AQI
102AQI
95AQI
76AQI
82AQI
88AQI
94AQI
101AQI
95AQI
82AQI
80AQI
71AQI
74AQI
128AQI
134AQI
142AQI
144AQI
119AQI
128AQI
127AQI
123AQI
126AQI
117AQI
117AQI
118AQI
111AQI
112AQI
100AQI
82AQI
77AQI
73AQI
67AQI
62AQI
59AQI
57AQI
56AQI
58AQI
60AQI
57AQI
68AQI
73AQI
85AQI
96AQI
98AQI
103AQI
81AQI
70AQI
66AQI
65AQI
53AQI
44AQI
56AQI
58AQI
57AQI
59AQI
63AQI
68AQI
55AQI
64AQI
63AQI
64AQI
58AQI
59AQI
61AQI
59AQI
59AQI
57AQI
57AQI
56AQI
74AQI
53AQI
46AQI
50AQI
41AQI
42AQI
45AQI
34AQI
32AQI
30AQI
30AQI
39AQI
51AQI
54AQI
58AQI
56AQI
54AQI
55AQI
56AQI
58AQI
65AQI
70AQI
70AQI
64AQI
53AQI
45AQI
42AQI
40AQI
46AQI
55AQI
61AQI
42AQI
37AQI
39AQI
36AQI
42AQI
46AQI
35AQI
35AQI
38AQI
34AQI
39AQI
76AQI
69AQI
88AQI
89AQI
55AQI
49AQI
37AQI
No. of days
202571AQI
Highest AQI recorded in
April89AQI
Lowest AQI recorded in
July37AQI
202457AQI
Highest AQI recorded in
April94AQI
Lowest AQI recorded in
February25AQI
202369AQI
Highest AQI recorded in
April102AQI
Lowest AQI recorded in
July43AQI
202263AQI
Highest AQI recorded in
March92AQI
Lowest AQI recorded in
June38AQI
202166AQI
Highest AQI recorded in
March113AQI
Lowest AQI recorded in
June42AQI
202054AQI
Highest AQI recorded in
April101AQI
Lowest AQI recorded in
July30AQI
Most & Least Polluted Years Over the Last 6 Years
State Environmental Monitoring Station's annual 2025 AQI (71) shows an average percentage change of 15.3% (worsened AQI) compared to previous years: 2020 (54), 2021 (66), 2022 (63), 2023 (69), 2024 (57).