Huilai County, Jieyang, 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
Huilai County, Jieyang, 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 43 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
Huilai County, Jieyang, Guangdong Province, China
6 AM28th Sep 2025
6 PM
5 AM29th Sep 2025
53AQI
19AQI
59AQI
42AQI
In the last 24 hours,
Huilai County's AQI reached its highest point of 59 at 11 PM during the Night, while the lowest point, 19, was recorded at 11 AM during the Day between 28th Sep and 29th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Huilai County, Jieyang, Guangdong Province, China
28°C25/31°C
28°C25/31°C
28°C26/31°C
28°C25/31°C
28°C25/32°C
28°C26/32°C
28°C25/31°C
28°C25/32°C
27°C26/29°C
26°C25/28°C
27°C26/30°C
28°C26/31°C
28°C25/31°C
28°C25/31°C
28°C25/31°C
28°C25/31°C
28°C25/31°C
28°C24/32°C
28°C25/31°C
27°C25/30°C
26°C24/27°C
27°C25/29°C
27°C24/30°C
28°C25/31°C
26°C25/27°C
26°C26/27°C
27°C25/28°C
27°C24/30°C
27°C26/30°C
27°C25/30°C
--°C/°C
50AQI
40AQI
51AQI
50AQI
2025 Days Vs Air Quality
Huilai County, Jieyang, Guangdong Province, China
62%
76
38%
47
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 62%
Health Risk Level:
Moderate
In 2025, 62% of 272 days were within WHO’s safe air quality limits, and 38% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Huilai County, Jieyang, Guangdong Province, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI
51AQI
62AQI
66AQI
55AQI
44AQI
59AQI
60AQI
57AQI
58AQI
47AQI
52AQI
52AQI
46AQI
47AQI
40AQI
45AQI
43AQI
40AQI
39AQI
42AQI
37AQI
36AQI
31AQI
27AQI
28AQI
35AQI
31AQI
30AQI
33AQI
30AQI
31AQI
30AQI
31AQI
38AQI
40AQI
45AQI
39AQI
38AQI
49AQI
50AQI
50AQI
49AQI
47AQI
53AQI
55AQI
54AQI
53AQI
53AQI
56AQI
57AQI
53AQI
50AQI
49AQI
52AQI
49AQI
51AQI
52AQI
55AQI
57AQI
55AQI
57AQI
56AQI
53AQI
55AQI
53AQI
51AQI
49AQI
46AQI
49AQI
53AQI
55AQI
54AQI
47AQI
47AQI
52AQI
56AQI
44AQI
43AQI
48AQI
42AQI
37AQI
46AQI
46AQI
44AQI
53AQI
58AQI
47AQI
49AQI
52AQI
50AQI
52AQI
50AQI
47AQI
50AQI
54AQI
54AQI
55AQI
50AQI
52AQI
52AQI
44AQI
40AQI
43AQI
47AQI
54AQI
47AQI
45AQI
43AQI
46AQI
48AQI
52AQI
50AQI
43AQI
45AQI
46AQI
49AQI
52AQI
47AQI
41AQI
45AQI
37AQI
43AQI
48AQI
42AQI
50AQI
49AQI
47AQI
No. of days
202547AQI
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
June42AQI
Most & Least Polluted Years Over the Last 1 Years
Huilai County's annual 2025 AQI (47) shows an average percentage change of NaN% (improved AQI) compared to previous years: .