Diqing Tibetan Autonomous Prefecture, Yunnan, 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
Diqing Tibetan Autonomous Prefecture, Yunnan, China
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Diqing Tibetan Autonomous Prefecture, Yunnan, China
5 AM17th Sep 2025
5 PM
4 AM18th Sep 2025
54AQI
28AQI
58AQI
42AQI
In the last 24 hours,
Diqing Tibetan Autonomous Prefecture's AQI reached its highest point of 58 at 11 PM during the Night, while the lowest point, 28, was recorded at 2 PM during the Day between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Diqing Tibetan Autonomous Prefecture, Yunnan, China
12°C6/20°C
12°C8/17°C
11°C7/17°C
12°C8/17°C
11°C8/18°C
10°C8/15°C
11°C7/18°C
10°C7/15°C
11°C4/21°C
11°C6/18°C
10°C6/14°C
10°C7/16°C
10°C6/15°C
11°C6/17°C
11°C6/19°C
10°C5/20°C
10°C6/16°C
11°C7/18°C
10°C7/15°C
10°C6/14°C
11°C7/16°C
12°C7/19°C
11°C7/18°C
12°C6/19°C
11°C7/16°C
11°C7/16°C
11°C5/18°C
10°C4/17°C
9°C5/15°C
9°C6/14°C
--°C/°C
51AQI
41AQI
54AQI
41AQI
2025 Days Vs Air Quality
Diqing Tibetan Autonomous Prefecture, Yunnan, China
61%
68
39%
44
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 61%
Health Risk Level:
Moderate
In 2025, 61% of 261 days were within WHO’s safe air quality limits, and 39% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Diqing Tibetan Autonomous Prefecture, Yunnan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
47AQI
40AQI
38AQI
39AQI
42AQI
41AQI
59AQI
49AQI
48AQI
52AQI
51AQI
51AQI
52AQI
54AQI
54AQI
55AQI
55AQI
52AQI
48AQI
49AQI
49AQI
46AQI
47AQI
49AQI
52AQI
50AQI
44AQI
47AQI
49AQI
52AQI
52AQI
48AQI
47AQI
50AQI
49AQI
48AQI
48AQI
46AQI
48AQI
44AQI
45AQI
45AQI
47AQI
50AQI
48AQI
50AQI
49AQI
47AQI
50AQI
53AQI
54AQI
50AQI
51AQI
50AQI
48AQI
49AQI
49AQI
50AQI
48AQI
48AQI
50AQI
51AQI
50AQI
50AQI
52AQI
54AQI
52AQI
53AQI
53AQI
55AQI
53AQI
49AQI
48AQI
48AQI
50AQI
49AQI
52AQI
54AQI
54AQI
52AQI
53AQI
49AQI
51AQI
50AQI
48AQI
47AQI
46AQI
45AQI
44AQI
48AQI
48AQI
49AQI
49AQI
49AQI
52AQI
52AQI
53AQI
49AQI
38AQI
50AQI
52AQI
53AQI
52AQI
51AQI
55AQI
52AQI
51AQI
52AQI
53AQI
55AQI
51AQI
50AQI
42AQI
49AQI
49AQI
50AQI
51AQI
No. of days
202550AQI
Highest AQI recorded in
September51AQI
Lowest AQI recorded in
May42AQI
Most & Least Polluted Years Over the Last 1 Years
Diqing Tibetan Autonomous Prefecture's annual 2025 AQI (50) shows an average percentage change of NaN% (improved AQI) compared to previous years: .