Wenlan, Yunnan, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Wenlan, Yunnan, China
AQI Trends: Highest and Lowest
Same Day Analysis (4th June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 51 of Moderate air quality, showing improvement over 2025 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
Wenlan, Yunnan, China
5 AM3rd Jun 2026
6 PM
4 AM4th Jun 2026
52AQI
8AQI
60AQI
21AQI
In the last 24 hours,
Wenlan's AQI reached its highest point of 60 at 1 AM during the Night, while the lowest point, 8, was recorded at 4 PM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Wenlan, Yunnan, China
21°C15/29°C
21°C15/28°C
19°C17/22°C
18°C17/21°C
18°C16/19°C
18°C16/22°C
19°C15/24°C
20°C14/27°C
21°C14/29°C
22°C15/30°C
22°C15/30°C
22°C17/30°C
22°C17/29°C
22°C16/30°C
22°C16/29°C
22°C16/28°C
23°C18/30°C
23°C18/30°C
22°C16/30°C
23°C17/31°C
23°C16/32°C
24°C17/32°C
24°C17/31°C
22°C17/30°C
20°C17/22°C
21°C15/28°C
22°C16/29°C
23°C17/30°C
23°C17/30°C
22°C17/29°C
62AQI
46AQI
69AQI
46AQI
2026 Days Vs Air Quality
Wenlan, Yunnan, China
25%
39
59%
92
15%
23
0.6%
1
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 25%
Health Risk Level:
Very high
In 2026, 25% of 155 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Wenlan, Yunnan, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI (US)
30AQI (US)
28AQI (US)
32AQI (US)
33AQI (US)
23AQI (US)
48AQI (US)
36AQI (US)
29AQI (US)
28AQI (US)
41AQI (US)
55AQI (US)
118AQI (US)
90AQI (US)
88AQI (US)
74AQI (US)
70AQI (US)
62AQI (US)
65AQI (US)
66AQI (US)
64AQI (US)
38AQI (US)
29AQI (US)
41AQI (US)
60AQI (US)
56AQI (US)
66AQI (US)
62AQI (US)
74AQI (US)
66AQI (US)
80AQI (US)
56AQI (US)
76AQI (US)
134AQI (US)
141AQI (US)
98AQI (US)
70AQI (US)
89AQI (US)
63AQI (US)
23AQI (US)
47AQI (US)
50AQI (US)
56AQI (US)
53AQI (US)
61AQI (US)
71AQI (US)
70AQI (US)
88AQI (US)
77AQI (US)
46AQI (US)
37AQI (US)
51AQI (US)
58AQI (US)
63AQI (US)
76AQI (US)
71AQI (US)
50AQI (US)
68AQI (US)
68AQI (US)
89AQI (US)
110AQI (US)
102AQI (US)
89AQI (US)
81AQI (US)
49AQI (US)
64AQI (US)
42AQI (US)
39AQI (US)
45AQI (US)
66AQI (US)
68AQI (US)
80AQI (US)
92AQI (US)
54AQI (US)
51AQI (US)
87AQI (US)
82AQI (US)
92AQI (US)
100AQI (US)
114AQI (US)
64AQI (US)
62AQI (US)
90AQI (US)
108AQI (US)
130AQI (US)
148AQI (US)
158AQI (US)
116AQI (US)
76AQI (US)
97AQI (US)
102AQI (US)
97AQI (US)
94AQI (US)
112AQI (US)
109AQI (US)
100AQI (US)
92AQI (US)
87AQI (US)
65AQI (US)
82AQI (US)
76AQI (US)
73AQI (US)
93AQI (US)
114AQI (US)
146AQI (US)
138AQI (US)
140AQI (US)
142AQI (US)
118AQI (US)
107AQI (US)
113AQI (US)
123AQI (US)
110AQI (US)
83AQI (US)
62AQI (US)
71AQI (US)
75AQI (US)
79AQI (US)
40AQI (US)
44AQI (US)
52AQI (US)
38AQI (US)
34AQI (US)
39AQI (US)
63AQI (US)
55AQI (US)
61AQI (US)
75AQI (US)
85AQI (US)
18AQI (US)
14AQI (US)
26AQI (US)
24AQI (US)
35AQI (US)
51AQI (US)
90AQI (US)
91AQI (US)
81AQI (US)
75AQI (US)
89AQI (US)
90AQI (US)
88AQI (US)
61AQI (US)
71AQI (US)
76AQI (US)
57AQI (US)
54AQI (US)
61AQI (US)
29AQI (US)
38AQI (US)
42AQI (US)
34AQI (US)
55AQI (US)
43AQI (US)
51AQI (US)
54AQI (US)
68AQI (US)
85AQI (US)
96AQI (US)
57AQI (US)
46AQI (US)
No. of days
202671AQI (US)
Highest AQI (US) recorded in
April96AQI (US)
Lowest AQI (US) recorded in
June46AQI (US)
202565AQI (US)
Highest AQI (US) recorded in
January114AQI (US)
Lowest AQI (US) recorded in
November41AQI (US)
202470AQI (US)
Highest AQI (US) recorded in
April123AQI (US)
Lowest AQI (US) recorded in
January28AQI (US)
202384AQI (US)
Highest AQI (US) recorded in
April136AQI (US)
Lowest AQI (US) recorded in
August55AQI (US)
202275AQI (US)
Highest AQI (US) recorded in
March105AQI (US)
Lowest AQI (US) recorded in
June42AQI (US)
202181AQI (US)
Highest AQI (US) recorded in
March134AQI (US)
Lowest AQI (US) recorded in
June53AQI (US)
202069AQI (US)
Highest AQI (US) recorded in
March148AQI (US)
Lowest AQI (US) recorded in
August45AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Wenlan's annual 2026 AQI (US) (71) shows an average percentage change of -3.2% (improved AQI (US)) compared to previous years: 2020 (69), 2021 (81), 2022 (75), 2023 (84), 2024 (70), 2025 (65).