KDT Tay ho Tay Bac Tu Liem, Hanoi, Ha Noi, 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
KDT Tay ho Tay Bac Tu Liem, Hanoi, Ha Noi, 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
KDT Tay ho Tay Bac Tu Liem, Hanoi, Ha Noi, Vietnam
5 AM3rd Aug 2025
6 PM
4 AM4th Aug 2025
AQI
AQI
70AQI
50AQI
In the last 24 hours,
KDT Tay ho Tay Bac Tu Liem's AQI reached its highest point of 70 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
KDT Tay ho Tay Bac Tu Liem, Hanoi, Ha Noi, Vietnam
30°C26/35°C
29°C27/33°C
30°C26/35°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°C27/35°C
31°C27/37°C
32°C28/37°C
31°C25/37°C
28°C25/31°C
26°C25/27°C
27°C25/29°C
28°C26/31°C
28°C26/32°C
29°C25/34°C
29°C26/35°C
30°C26/36°C
31°C27/35°C
32°C28/36°C
32°C28/37°C
32°C29/36°C
28°C26/31°C
31°C26/37°C
--°C/°C
--°C/°C
64AQI
61AQI
61AQI
61AQI
2025 Days Vs Air Quality
KDT Tay ho Tay Bac Tu Liem, Hanoi, Ha Noi, Vietnam
73%
157
19%
40
8%
17
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% 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
KDT Tay ho Tay Bac Tu Liem, Hanoi, Ha Noi, Vietnam
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
155AQI
197AQI
162AQI
143AQI
141AQI
148AQI
154AQI
147AQI
154AQI
114AQI
123AQI
131AQI
153AQI
157AQI
158AQI
156AQI
162AQI
165AQI
167AQI
180AQI
170AQI
167AQI
148AQI
144AQI
116AQI
89AQI
97AQI
92AQI
126AQI
118AQI
105AQI
96AQI
83AQI
68AQI
78AQI
107AQI
118AQI
56AQI
71AQI
95AQI
138AQI
150AQI
169AQI
148AQI
149AQI
151AQI
101AQI
122AQI
88AQI
103AQI
137AQI
120AQI
136AQI
80AQI
85AQI
92AQI
85AQI
141AQI
111AQI
119AQI
93AQI
94AQI
94AQI
96AQI
76AQI
80AQI
100AQI
132AQI
142AQI
125AQI
108AQI
91AQI
98AQI
88AQI
73AQI
88AQI
88AQI
87AQI
100AQI
127AQI
120AQI
120AQI
128AQI
113AQI
82AQI
90AQI
92AQI
70AQI
51AQI
59AQI
75AQI
102AQI
87AQI
134AQI
92AQI
105AQI
94AQI
99AQI
89AQI
87AQI
87AQI
91AQI
83AQI
90AQI
96AQI
95AQI
93AQI
96AQI
89AQI
81AQI
81AQI
85AQI
88AQI
79AQI
70AQI
74AQI
56AQI
51AQI
75AQI
62AQI
54AQI
75AQI
74AQI
76AQI
80AQI
72AQI
73AQI
75AQI
78AQI
80AQI
54AQI
72AQI
68AQI
65AQI
64AQI
62AQI
52AQI
59AQI
53AQI
59AQI
59AQI
59AQI
59AQI
58AQI
61AQI
63AQI
90AQI
94AQI
68AQI
69AQI
62AQI
53AQI
54AQI
53AQI
60AQI
70AQI
60AQI
60AQI
59AQI
62AQI
62AQI
62AQI
59AQI
55AQI
60AQI
77AQI
61AQI
58AQI
56AQI
64AQI
69AQI
66AQI
63AQI
64AQI
65AQI
61AQI
61AQI
61AQI
57AQI
59AQI
56AQI
51AQI
53AQI
56AQI
64AQI
63AQI
60AQI
65AQI
61AQI
69AQI
60AQI
58AQI
56AQI
57AQI
70AQI
78AQI
66AQI
65AQI
63AQI
72AQI
64AQI
63AQI
51AQI
55AQI
53AQI
59AQI
60AQI
61AQI
65AQI
72AQI
67AQI
61AQI
52AQI
52AQI
143AQI
110AQI
98AQI
86AQI
67AQI
61AQI
62AQI
52AQI
No. of days
202589AQI
Highest AQI recorded in
January143AQI
Lowest AQI recorded in
August52AQI
202481AQI
Highest AQI recorded in
April200AQI
Lowest AQI recorded in
August34AQI
2023135AQI
Highest AQI recorded in
November169AQI
Lowest AQI recorded in
December132AQI
20219AQI
Highest AQI recorded in
July10AQI
Lowest AQI recorded in
May6AQI
Most & Least Polluted Years Over the Last 4 Years
KDT Tay ho Tay Bac Tu Liem's annual 2025 AQI (89) shows an average percentage change of 293.1% (worsened AQI) compared to previous years: 2021 (9), 2023 (135), 2024 (81).