Henan An, Huizhou, Guangdong, 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
Henan An, Huizhou, Guangdong, China
AQI Trends: Highest and Lowest
Same Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 50 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Henan An, Huizhou, Guangdong, China
5 AM6th Aug 2025
7 PM
4 AM7th Aug 2025
AQI
AQI
57AQI
24AQI
In the last 24 hours,
Henan An's AQI reached its highest point of 57 at 9 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Henan An, Huizhou, Guangdong, China
30°C27/36°C
30°C26/35°C
27°C25/29°C
25°C24/25°C
27°C24/31°C
29°C25/33°C
30°C26/35°C
30°C27/34°C
30°C27/36°C
31°C27/36°C
30°C27/35°C
28°C25/34°C
27°C26/27°C
27°C25/29°C
27°C25/31°C
28°C24/32°C
28°C25/34°C
30°C25/36°C
30°C25/36°C
30°C27/36°C
29°C27/34°C
28°C25/33°C
30°C26/36°C
30°C27/34°C
29°C26/33°C
28°C26/32°C
26°C25/29°C
26°C25/27°C
25°C24/26°C
--°C/°C
--°C/°C
58AQI
50AQI
55AQI
55AQI
2025 Days Vs Air Quality
Henan An, Huizhou, Guangdong, China
24%
51
69%
149
8%
17
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 24%
Health Risk Level:
Very high
In 2025, 24% of 218 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Henan An, Huizhou, Guangdong, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
129AQI
110AQI
111AQI
105AQI
108AQI
122AQI
119AQI
120AQI
105AQI
81AQI
86AQI
74AQI
82AQI
89AQI
84AQI
102AQI
81AQI
94AQI
92AQI
94AQI
97AQI
98AQI
89AQI
74AQI
65AQI
46AQI
58AQI
62AQI
117AQI
86AQI
83AQI
63AQI
63AQI
35AQI
58AQI
65AQI
70AQI
52AQI
66AQI
57AQI
70AQI
60AQI
63AQI
72AQI
74AQI
74AQI
90AQI
83AQI
85AQI
73AQI
73AQI
55AQI
71AQI
40AQI
61AQI
74AQI
75AQI
85AQI
61AQI
65AQI
54AQI
62AQI
48AQI
38AQI
32AQI
42AQI
56AQI
66AQI
69AQI
72AQI
57AQI
62AQI
54AQI
49AQI
33AQI
75AQI
60AQI
75AQI
73AQI
81AQI
82AQI
91AQI
101AQI
102AQI
79AQI
73AQI
75AQI
36AQI
32AQI
31AQI
52AQI
54AQI
66AQI
71AQI
60AQI
83AQI
81AQI
96AQI
75AQI
81AQI
66AQI
67AQI
140AQI
132AQI
127AQI
112AQI
91AQI
86AQI
70AQI
70AQI
60AQI
66AQI
68AQI
54AQI
49AQI
54AQI
63AQI
61AQI
64AQI
75AQI
75AQI
86AQI
88AQI
68AQI
68AQI
59AQI
54AQI
60AQI
47AQI
56AQI
54AQI
66AQI
66AQI
62AQI
46AQI
41AQI
48AQI
52AQI
56AQI
43AQI
54AQI
52AQI
51AQI
47AQI
78AQI
73AQI
79AQI
70AQI
54AQI
51AQI
60AQI
61AQI
56AQI
39AQI
55AQI
56AQI
63AQI
59AQI
51AQI
57AQI
49AQI
36AQI
40AQI
33AQI
38AQI
49AQI
43AQI
32AQI
37AQI
34AQI
32AQI
33AQI
36AQI
39AQI
40AQI
37AQI
29AQI
28AQI
31AQI
31AQI
28AQI
28AQI
39AQI
50AQI
52AQI
51AQI
51AQI
65AQI
52AQI
54AQI
53AQI
48AQI
50AQI
55AQI
58AQI
60AQI
59AQI
62AQI
61AQI
62AQI
45AQI
48AQI
47AQI
48AQI
52AQI
53AQI
57AQI
68AQI
63AQI
63AQI
66AQI
57AQI
57AQI
55AQI
55AQI
55AQI
50AQI
92AQI
67AQI
62AQI
76AQI
60AQI
42AQI
54AQI
54AQI
No. of days
202565AQI
Highest AQI recorded in
January92AQI
Lowest AQI recorded in
June42AQI
202463AQI
Highest AQI recorded in
December95AQI
Lowest AQI recorded in
July36AQI
202366AQI
Highest AQI recorded in
November90AQI
Lowest AQI recorded in
July40AQI
202262AQI
Highest AQI recorded in
January86AQI
Lowest AQI recorded in
June38AQI
202168AQI
Highest AQI recorded in
January109AQI
Lowest AQI recorded in
June44AQI
202063AQI
Highest AQI recorded in
December98AQI
Lowest AQI recorded in
June36AQI
Most & Least Polluted Years Over the Last 6 Years
Henan An's annual 2025 AQI (65) shows an average percentage change of 0.4% (worsened AQI) compared to previous years: 2020 (63), 2021 (68), 2022 (62), 2023 (66), 2024 (63).