Lajiang Gcchacng, Dayan, Yunnan, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Lajiang Gcchacng, Dayan, Yunnan, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 56 of Moderate air quality, showing improvement over 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Lajiang Gcchacng, Dayan, Yunnan, China
6 AM3rd Oct 2025
6 PM
5 AM4th Oct 2025
53AQI
27AQI
73AQI
22AQI
In the last 24 hours,
Lajiang Gcchacng's AQI reached its highest point of 73 at 1 AM during the Night, while the lowest point, 22, was recorded at 7 PM during the Night between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Lajiang Gcchacng, Dayan, Yunnan, China
17°C12/24°C
17°C14/22°C
17°C13/23°C
16°C13/21°C
16°C13/21°C
17°C12/22°C
17°C14/23°C
17°C14/20°C
16°C15/20°C
16°C13/20°C
16°C12/24°C
16°C11/23°C
15°C11/20°C
16°C13/20°C
16°C13/20°C
16°C14/21°C
16°C14/20°C
16°C13/21°C
16°C12/23°C
15°C12/20°C
15°C10/23°C
16°C9/24°C
13°C12/14°C
15°C12/20°C
15°C11/21°C
15°C12/21°C
13°C12/14°C
13°C12/15°C
15°C12/19°C
15°C10/21°C
--°C/°C
47AQI
37AQI
53AQI
44AQI
2025 Days Vs Air Quality
Lajiang Gcchacng, Dayan, Yunnan, China
37%
103
62%
171
0.7%
2
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 37%
Health Risk Level:
High
In 2025, 37% of 277 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Lajiang Gcchacng, Dayan, Yunnan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
64AQI
67AQI
83AQI
75AQI
84AQI
73AQI
61AQI
71AQI
70AQI
68AQI
75AQI
67AQI
60AQI
61AQI
77AQI
100AQI
71AQI
62AQI
60AQI
70AQI
90AQI
73AQI
65AQI
54AQI
54AQI
57AQI
67AQI
91AQI
77AQI
70AQI
61AQI
62AQI
66AQI
81AQI
80AQI
70AQI
67AQI
70AQI
61AQI
59AQI
58AQI
58AQI
63AQI
65AQI
53AQI
54AQI
53AQI
49AQI
52AQI
36AQI
36AQI
38AQI
41AQI
46AQI
44AQI
46AQI
31AQI
33AQI
40AQI
47AQI
40AQI
44AQI
50AQI
48AQI
59AQI
64AQI
71AQI
64AQI
62AQI
60AQI
65AQI
68AQI
75AQI
59AQI
78AQI
59AQI
72AQI
62AQI
79AQI
86AQI
71AQI
70AQI
61AQI
57AQI
53AQI
56AQI
73AQI
106AQI
99AQI
104AQI
100AQI
99AQI
97AQI
82AQI
84AQI
79AQI
80AQI
73AQI
68AQI
71AQI
63AQI
69AQI
58AQI
65AQI
66AQI
54AQI
56AQI
55AQI
51AQI
50AQI
44AQI
46AQI
54AQI
52AQI
69AQI
64AQI
69AQI
72AQI
67AQI
67AQI
57AQI
59AQI
58AQI
51AQI
54AQI
54AQI
53AQI
53AQI
59AQI
60AQI
58AQI
64AQI
58AQI
57AQI
57AQI
56AQI
62AQI
60AQI
62AQI
53AQI
52AQI
54AQI
59AQI
52AQI
52AQI
57AQI
52AQI
49AQI
47AQI
46AQI
44AQI
40AQI
48AQI
45AQI
62AQI
54AQI
49AQI
47AQI
54AQI
51AQI
47AQI
55AQI
59AQI
64AQI
59AQI
58AQI
56AQI
47AQI
43AQI
43AQI
47AQI
43AQI
34AQI
41AQI
39AQI
38AQI
43AQI
42AQI
48AQI
44AQI
44AQI
46AQI
50AQI
46AQI
46AQI
38AQI
38AQI
37AQI
39AQI
39AQI
41AQI
47AQI
43AQI
51AQI
56AQI
46AQI
55AQI
56AQI
58AQI
44AQI
51AQI
43AQI
43AQI
40AQI
38AQI
42AQI
36AQI
37AQI
35AQI
43AQI
46AQI
43AQI
56AQI
55AQI
51AQI
51AQI
53AQI
56AQI
52AQI
49AQI
42AQI
47AQI
49AQI
49AQI
50AQI
54AQI
54AQI
49AQI
52AQI
52AQI
52AQI
52AQI
49AQI
46AQI
45AQI
42AQI
43AQI
47AQI
49AQI
47AQI
46AQI
49AQI
53AQI
53AQI
51AQI
49AQI
46AQI
51AQI
53AQI
56AQI
55AQI
57AQI
60AQI
53AQI
55AQI
51AQI
54AQI
56AQI
48AQI
49AQI
49AQI
49AQI
53AQI
45AQI
44AQI
38AQI
41AQI
44AQI
39AQI
27AQI
46AQI
26AQI
29AQI
17AQI
31AQI
56AQI
70AQI
54AQI
67AQI
67AQI
55AQI
48AQI
44AQI
50AQI
48AQI
35AQI
No. of days
202556AQI
Highest AQI recorded in
January70AQI
Lowest AQI recorded in
October35AQI
202457AQI
Highest AQI recorded in
April73AQI
Lowest AQI recorded in
November41AQI
202367AQI
Highest AQI recorded in
February107AQI
Lowest AQI recorded in
June51AQI
202265AQI
Highest AQI recorded in
December84AQI
Lowest AQI recorded in
June40AQI
202158AQI
Highest AQI recorded in
March88AQI
Lowest AQI recorded in
June37AQI
202054AQI
Highest AQI recorded in
April67AQI
Lowest AQI recorded in
June34AQI
Most & Least Polluted Years Over the Last 6 Years
Lajiang Gcchacng's annual 2025 AQI (56) shows an average percentage change of -6.7% (improved AQI) compared to previous years: 2020 (54), 2021 (58), 2022 (65), 2023 (67), 2024 (57).