Longmen County, Huizhou, Guangdong Province, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Longmen County, Huizhou, Guangdong Province, China
AQI Trends: Highest and Lowest
Same Day Analysis (8th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 47 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Longmen County, Huizhou, Guangdong Province, China
5 AM9th Aug 2025
7 PM
4 AM10th Aug 2025
AQI
AQI
62AQI
42AQI
In the last 24 hours,
Longmen County's AQI reached its highest point of 62 at 1 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Longmen County, Huizhou, Guangdong Province, China
24°C22/25°C
27°C23/31°C
28°C24/33°C
28°C24/33°C
28°C24/33°C
29°C25/34°C
30°C25/35°C
29°C24/36°C
28°C23/34°C
25°C24/27°C
26°C24/29°C
26°C24/30°C
26°C24/31°C
28°C24/34°C
29°C23/36°C
29°C24/36°C
29°C24/35°C
27°C24/31°C
28°C23/34°C
29°C24/36°C
28°C24/34°C
28°C23/33°C
28°C24/33°C
25°C23/28°C
24°C23/27°C
24°C22/25°C
24°C22/27°C
26°C23/30°C
28°C24/34°C
--°C/°C
--°C/°C
55AQI
42AQI
55AQI
55AQI
2025 Days Vs Air Quality
Longmen County, Huizhou, Guangdong Province, China
58%
42
42%
30
Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)
Under WHO’s Safe Air Quality Limits: 58%
Health Risk Level:
Considerable
In 2025, 58% of 221 days were within WHO’s safe air quality limits, and 42% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Longmen County, Huizhou, Guangdong Province, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
41AQI
48AQI
56AQI
59AQI
49AQI
64AQI
49AQI
60AQI
57AQI
55AQI
59AQI
53AQI
44AQI
44AQI
40AQI
39AQI
39AQI
36AQI
36AQI
38AQI
36AQI
36AQI
34AQI
29AQI
33AQI
36AQI
41AQI
37AQI
33AQI
32AQI
33AQI
32AQI
31AQI
30AQI
35AQI
45AQI
51AQI
51AQI
56AQI
56AQI
56AQI
54AQI
47AQI
50AQI
50AQI
56AQI
55AQI
57AQI
61AQI
62AQI
56AQI
49AQI
46AQI
45AQI
44AQI
47AQI
48AQI
52AQI
56AQI
52AQI
53AQI
55AQI
51AQI
57AQI
55AQI
53AQI
51AQI
48AQI
44AQI
50AQI
47AQI
40AQI
43AQI
50AQI
51AQI
No. of days
202547AQI
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
May40AQI
Most & Least Polluted Years Over the Last 1 Years
Longmen County's annual 2025 AQI (47) shows an average percentage change of NaN% (improved AQI) compared to previous years: .