Haicheng, Shanwei, Guangdong Province, 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
Haicheng, Shanwei, Guangdong Province, China
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 29 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Sep - 29th Sep 2025
Haicheng, Shanwei, Guangdong Province, China
6 AM28th Sep 2025
6 PM
5 AM29th Sep 2025
AQI
AQI
39AQI
17AQI
In the last 24 hours,
Haicheng's AQI reached its highest point of 39 at 7 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 28th Sep and 29th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Haicheng, Shanwei, Guangdong Province, China
28°C25/32°C
28°C24/32°C
28°C25/33°C
28°C24/33°C
28°C25/33°C
29°C25/34°C
28°C25/33°C
28°C24/33°C
27°C25/29°C
26°C25/28°C
26°C24/29°C
27°C25/32°C
28°C24/32°C
28°C24/32°C
28°C24/33°C
27°C24/32°C
27°C24/32°C
28°C24/33°C
28°C25/32°C
27°C24/31°C
25°C24/25°C
25°C24/27°C
26°C24/29°C
27°C23/33°C
25°C24/28°C
25°C25/25°C
26°C23/28°C
27°C22/32°C
27°C24/32°C
--°C/°C
--°C/°C
47AQI
36AQI
46AQI
41AQI
2025 Days Vs Air Quality
Haicheng, Shanwei, Guangdong Province, China
73%
90
27%
33
Total number of days with different AQI categories in last 271 days in 2025 (94 days remaining)
Under WHO’s Safe Air Quality Limits: 73%
Health Risk Level:
Low
In 2025, 73% of 271 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Haicheng, Shanwei, Guangdong Province, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
45AQI
48AQI
56AQI
58AQI
55AQI
40AQI
55AQI
57AQI
54AQI
52AQI
42AQI
49AQI
46AQI
39AQI
42AQI
34AQI
44AQI
43AQI
40AQI
35AQI
37AQI
33AQI
32AQI
29AQI
23AQI
25AQI
28AQI
32AQI
31AQI
29AQI
30AQI
30AQI
30AQI
27AQI
27AQI
35AQI
42AQI
43AQI
40AQI
51AQI
51AQI
51AQI
50AQI
46AQI
50AQI
53AQI
53AQI
53AQI
53AQI
54AQI
52AQI
51AQI
47AQI
46AQI
44AQI
44AQI
47AQI
53AQI
54AQI
55AQI
55AQI
57AQI
57AQI
55AQI
55AQI
51AQI
52AQI
46AQI
43AQI
45AQI
50AQI
51AQI
53AQI
45AQI
45AQI
52AQI
55AQI
45AQI
43AQI
48AQI
45AQI
38AQI
41AQI
46AQI
43AQI
48AQI
53AQI
47AQI
43AQI
48AQI
47AQI
50AQI
50AQI
47AQI
48AQI
48AQI
49AQI
50AQI
48AQI
49AQI
53AQI
48AQI
42AQI
44AQI
42AQI
46AQI
45AQI
43AQI
43AQI
43AQI
45AQI
50AQI
43AQI
39AQI
39AQI
39AQI
44AQI
42AQI
40AQI
29AQI
21AQI
26AQI
29AQI
50AQI
39AQI
48AQI
48AQI
42AQI
No. of days
202544AQI
Highest AQI recorded in
May50AQI
Lowest AQI recorded in
June39AQI
Most & Least Polluted Years Over the Last 1 Years
Haicheng's annual 2025 AQI (44) shows an average percentage change of NaN% (improved AQI) compared to previous years: .