Laolong, 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!
September Air Quality Analysis
Laolong, Heyuan, Guangdong Province, China
AQI Trends: Highest and Lowest
Same Day Analysis (20th 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: 21st Sep - 22nd Sep 2025
Laolong, Heyuan, Guangdong Province, China
6 AM21st Sep 2025
6 PM
5 AM22nd Sep 2025
AQI
AQI
54AQI
19AQI
In the last 24 hours,
Laolong's AQI reached its highest point of 54 at 11 PM during the Night, while the lowest point, 19, was recorded at 9 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Laolong, Heyuan, Guangdong Province, China
28°C23/35°C
27°C23/33°C
28°C23/34°C
27°C21/34°C
27°C21/33°C
27°C23/33°C
27°C22/34°C
27°C22/34°C
28°C23/35°C
27°C22/34°C
27°C22/35°C
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
--°C/°C
--°C/°C
54AQI
44AQI
54AQI
48AQI
2025 Days Vs Air Quality
Laolong, Heyuan, Guangdong Province, China
48%
55
52%
60
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 48%
Health Risk Level:
Significant
In 2025, 48% of 264 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
Laolong, Heyuan, Guangdong Province, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
33AQI
54AQI
54AQI
58AQI
56AQI
43AQI
59AQI
58AQI
64AQI
66AQI
62AQI
66AQI
60AQI
54AQI
54AQI
51AQI
50AQI
48AQI
46AQI
41AQI
44AQI
43AQI
38AQI
38AQI
36AQI
40AQI
39AQI
43AQI
43AQI
42AQI
41AQI
41AQI
41AQI
42AQI
40AQI
45AQI
52AQI
55AQI
52AQI
59AQI
61AQI
60AQI
53AQI
48AQI
52AQI
54AQI
57AQI
59AQI
58AQI
63AQI
59AQI
57AQI
49AQI
48AQI
44AQI
46AQI
50AQI
53AQI
54AQI
57AQI
55AQI
55AQI
56AQI
52AQI
57AQI
53AQI
51AQI
46AQI
45AQI
42AQI
46AQI
45AQI
52AQI
50AQI
49AQI
57AQI
58AQI
47AQI
44AQI
47AQI
49AQI
44AQI
41AQI
44AQI
45AQI
49AQI
52AQI
50AQI
48AQI
51AQI
50AQI
51AQI
52AQI
50AQI
53AQI
54AQI
55AQI
56AQI
44AQI
59AQI
61AQI
60AQI
47AQI
47AQI
47AQI
48AQI
50AQI
51AQI
55AQI
54AQI
52AQI
56AQI
52AQI
51AQI
50AQI
47AQI
49AQI
53AQI
49AQI
52AQI
No. of days
202551AQI
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
May47AQI
Most & Least Polluted Years Over the Last 1 Years
Laolong's annual 2025 AQI (51) shows an average percentage change of NaN% (improved AQI) compared to previous years: .