Huilong Town, Heyuan, Guangdong Province, 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
Huilong Town, Heyuan, Guangdong Province, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 73 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2025
Huilong Town, Heyuan, Guangdong Province, China
6 AM2nd Oct 2025
6 PM
5 AM3rd Oct 2025
85AQI
58AQI
67AQI
54AQI
In the last 24 hours,
Huilong Town's AQI reached its highest point of 85 at 6 AM during the Day, while the lowest point, 54, was recorded at 9 PM during the Night between 2nd Oct and 3rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Huilong Town, Heyuan, Guangdong Province, China
28°C22/35°C
27°C21/35°C
28°C23/34°C
28°C23/36°C
26°C22/33°C
24°C21/29°C
25°C21/30°C
26°C21/33°C
26°C22/32°C
27°C21/35°C
28°C22/35°C
27°C22/36°C
27°C21/35°C
27°C21/35°C
27°C21/35°C
26°C21/34°C
23°C21/25°C
23°C21/26°C
25°C20/31°C
24°C20/30°C
24°C21/26°C
24°C21/25°C
23°C20/28°C
25°C19/32°C
26°C22/32°C
26°C22/34°C
26°C21/34°C
26°C21/34°C
26°C21/34°C
27°C21/33°C
--°C/°C
54AQI
46AQI
54AQI
48AQI
2025 Days Vs Air Quality
Huilong Town, Heyuan, Guangdong Province, China
48%
61
52%
66
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 48%
Health Risk Level:
Significant
In 2025, 48% of 276 days were within WHO’s safe air quality limits, and 52% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Huilong Town, Heyuan, Guangdong Province, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI
45AQI
51AQI
54AQI
54AQI
41AQI
57AQI
55AQI
62AQI
64AQI
59AQI
59AQI
56AQI
52AQI
51AQI
51AQI
47AQI
43AQI
41AQI
40AQI
48AQI
46AQI
44AQI
40AQI
38AQI
38AQI
41AQI
48AQI
48AQI
47AQI
47AQI
46AQI
45AQI
46AQI
45AQI
50AQI
53AQI
55AQI
52AQI
57AQI
60AQI
62AQI
55AQI
52AQI
52AQI
54AQI
55AQI
56AQI
58AQI
61AQI
57AQI
56AQI
52AQI
50AQI
47AQI
49AQI
50AQI
51AQI
54AQI
55AQI
54AQI
51AQI
52AQI
51AQI
55AQI
52AQI
50AQI
53AQI
46AQI
45AQI
48AQI
49AQI
53AQI
53AQI
51AQI
56AQI
57AQI
49AQI
45AQI
47AQI
49AQI
46AQI
42AQI
43AQI
45AQI
49AQI
52AQI
50AQI
50AQI
50AQI
50AQI
52AQI
52AQI
50AQI
53AQI
54AQI
55AQI
56AQI
53AQI
59AQI
61AQI
60AQI
49AQI
46AQI
45AQI
48AQI
49AQI
50AQI
54AQI
55AQI
53AQI
55AQI
53AQI
52AQI
47AQI
49AQI
49AQI
50AQI
45AQI
34AQI
25AQI
32AQI
40AQI
57AQI
59AQI
68AQI
73AQI
43AQI
49AQI
53AQI
50AQI
50AQI
71AQI
No. of days
202551AQI
Highest AQI recorded in
October71AQI
Lowest AQI recorded in
May43AQI
Most & Least Polluted Years Over the Last 1 Years
Huilong Town's annual 2025 AQI (51) shows an average percentage change of NaN% (improved AQI) compared to previous years: .