Ha Noi UNBD TT Van Dinh ung Hoa, Phu Ly, Ha Nam, Vietnam 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
Ha Noi UNBD TT Van Dinh ung Hoa, Phu Ly, Ha Nam, Vietnam
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Ha Noi UNBD TT Van Dinh ung Hoa, Phu Ly, Ha Nam, Vietnam
5 AM3rd Aug 2025
6 PM
4 AM4th Aug 2025
AQI
AQI
68AQI
48AQI
In the last 24 hours,
Ha Noi UNBD TT Van Dinh ung Hoa's AQI reached its highest point of 68 at 12 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ha Noi UNBD TT Van Dinh ung Hoa, Phu Ly, Ha Nam, Vietnam
30°C26/35°C
29°C27/33°C
30°C27/35°C
32°C27/37°C
32°C28/37°C
30°C26/35°C
29°C26/33°C
29°C26/34°C
29°C26/34°C
31°C27/35°C
30°C28/34°C
31°C27/36°C
32°C27/37°C
32°C28/37°C
31°C25/37°C
28°C25/32°C
26°C25/28°C
27°C25/29°C
28°C25/31°C
28°C26/32°C
29°C25/35°C
29°C26/35°C
30°C26/36°C
31°C27/36°C
32°C28/37°C
32°C28/37°C
32°C29/37°C
28°C26/31°C
31°C26/37°C
--°C/°C
--°C/°C
55AQI
55AQI
56AQI
56AQI
2025 Days Vs Air Quality
Ha Noi UNBD TT Van Dinh ung Hoa, Phu Ly, Ha Nam, Vietnam
4%
8
76%
163
19%
41
0.9%
2
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 4%
Health Risk Level:
Extreme
In 2025, 4% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Ha Noi UNBD TT Van Dinh ung Hoa, Phu Ly, Ha Nam, Vietnam
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
91AQI
61AQI
81AQI
110AQI
110AQI
121AQI
119AQI
131AQI
144AQI
91AQI
105AQI
110AQI
120AQI
130AQI
132AQI
127AQI
134AQI
153AQI
147AQI
163AQI
140AQI
128AQI
120AQI
102AQI
89AQI
60AQI
89AQI
77AQI
101AQI
100AQI
77AQI
72AQI
63AQI
53AQI
61AQI
90AQI
106AQI
49AQI
67AQI
85AQI
124AQI
140AQI
149AQI
136AQI
125AQI
138AQI
75AQI
103AQI
75AQI
93AQI
113AQI
106AQI
115AQI
70AQI
75AQI
82AQI
75AQI
127AQI
95AQI
101AQI
79AQI
78AQI
86AQI
85AQI
70AQI
76AQI
103AQI
128AQI
137AQI
117AQI
95AQI
81AQI
83AQI
78AQI
66AQI
83AQI
80AQI
72AQI
81AQI
94AQI
96AQI
98AQI
111AQI
106AQI
82AQI
85AQI
86AQI
68AQI
54AQI
62AQI
77AQI
97AQI
85AQI
127AQI
84AQI
101AQI
89AQI
89AQI
76AQI
75AQI
77AQI
89AQI
85AQI
90AQI
98AQI
102AQI
95AQI
94AQI
89AQI
80AQI
83AQI
87AQI
92AQI
81AQI
73AQI
75AQI
60AQI
58AQI
80AQI
68AQI
61AQI
73AQI
70AQI
70AQI
78AQI
70AQI
72AQI
74AQI
74AQI
75AQI
59AQI
70AQI
66AQI
62AQI
64AQI
61AQI
54AQI
56AQI
56AQI
63AQI
59AQI
61AQI
56AQI
55AQI
57AQI
64AQI
86AQI
83AQI
66AQI
63AQI
61AQI
55AQI
55AQI
55AQI
60AQI
67AQI
58AQI
56AQI
58AQI
62AQI
59AQI
60AQI
59AQI
53AQI
59AQI
60AQI
60AQI
59AQI
53AQI
57AQI
59AQI
61AQI
70AQI
65AQI
65AQI
60AQI
58AQI
55AQI
50AQI
52AQI
47AQI
43AQI
44AQI
51AQI
57AQI
57AQI
53AQI
55AQI
52AQI
58AQI
54AQI
54AQI
54AQI
56AQI
64AQI
65AQI
56AQI
56AQI
54AQI
62AQI
55AQI
55AQI
47AQI
48AQI
46AQI
51AQI
55AQI
56AQI
55AQI
61AQI
59AQI
57AQI
53AQI
52AQI
112AQI
95AQI
88AQI
85AQI
66AQI
58AQI
55AQI
53AQI
No. of days
202579AQI
Highest AQI recorded in
January112AQI
Lowest AQI recorded in
August53AQI
202464AQI
Highest AQI recorded in
December93AQI
Lowest AQI recorded in
August36AQI
202378AQI
Highest AQI recorded in
November101AQI
Lowest AQI recorded in
December76AQI
20219AQI
Highest AQI recorded in
April14AQI
Lowest AQI recorded in
May7AQI
Most & Least Polluted Years Over the Last 4 Years
Ha Noi UNBD TT Van Dinh ung Hoa's annual 2025 AQI (79) shows an average percentage change of 268.9% (worsened AQI) compared to previous years: 2021 (9), 2023 (78), 2024 (64).