North Tu Liem District, 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
North Tu Liem District, Ha Noi, Vietnam
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
North Tu Liem District, Ha Noi, Vietnam
5 AM2nd Aug 2025
6 PM
4 AM3rd Aug 2025
AQI
AQI
59AQI
44AQI
In the last 24 hours,
North Tu Liem District's AQI reached its highest point of 59 at 6 PM during the Night, while the lowest point, 44, was recorded at 9 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
North Tu Liem District, Ha Noi, Vietnam
29°C25/33°C
30°C26/35°C
29°C27/33°C
30°C26/35°C
31°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
--°C/°C
--°C/°C
63AQI
63AQI
61AQI
61AQI
2025 Days Vs Air Quality
North Tu Liem District, Ha Noi, Vietnam
68%
145
23%
49
9%
19
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 214 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
North Tu Liem District, Ha Noi, Vietnam
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
157AQI
197AQI
157AQI
143AQI
144AQI
148AQI
155AQI
151AQI
155AQI
116AQI
126AQI
132AQI
151AQI
159AQI
158AQI
153AQI
161AQI
166AQI
164AQI
179AQI
168AQI
163AQI
145AQI
136AQI
115AQI
81AQI
100AQI
89AQI
125AQI
115AQI
102AQI
92AQI
81AQI
67AQI
77AQI
108AQI
116AQI
56AQI
71AQI
98AQI
141AQI
152AQI
172AQI
148AQI
150AQI
151AQI
103AQI
122AQI
91AQI
110AQI
140AQI
122AQI
137AQI
80AQI
84AQI
94AQI
86AQI
140AQI
112AQI
116AQI
95AQI
96AQI
97AQI
98AQI
75AQI
81AQI
101AQI
132AQI
142AQI
125AQI
110AQI
95AQI
98AQI
89AQI
74AQI
90AQI
89AQI
88AQI
103AQI
125AQI
122AQI
123AQI
135AQI
127AQI
101AQI
100AQI
104AQI
76AQI
58AQI
74AQI
91AQI
122AQI
103AQI
143AQI
102AQI
113AQI
105AQI
105AQI
91AQI
92AQI
90AQI
94AQI
89AQI
98AQI
101AQI
106AQI
100AQI
103AQI
95AQI
85AQI
85AQI
89AQI
95AQI
83AQI
77AQI
76AQI
61AQI
57AQI
74AQI
65AQI
56AQI
76AQI
76AQI
77AQI
81AQI
74AQI
76AQI
77AQI
79AQI
81AQI
53AQI
71AQI
68AQI
65AQI
60AQI
60AQI
52AQI
57AQI
54AQI
58AQI
58AQI
58AQI
57AQI
57AQI
57AQI
61AQI
82AQI
87AQI
67AQI
66AQI
61AQI
53AQI
55AQI
54AQI
59AQI
70AQI
61AQI
59AQI
59AQI
62AQI
61AQI
62AQI
60AQI
55AQI
61AQI
79AQI
61AQI
58AQI
56AQI
66AQI
71AQI
65AQI
63AQI
64AQI
67AQI
61AQI
60AQI
60AQI
58AQI
57AQI
56AQI
51AQI
52AQI
56AQI
63AQI
63AQI
60AQI
63AQI
62AQI
69AQI
61AQI
58AQI
57AQI
59AQI
70AQI
78AQI
64AQI
63AQI
63AQI
70AQI
63AQI
63AQI
53AQI
55AQI
54AQI
58AQI
60AQI
61AQI
65AQI
70AQI
67AQI
60AQI
54AQI
142AQI
111AQI
101AQI
93AQI
67AQI
61AQI
62AQI
54AQI
No. of days
202591AQI
Highest AQI recorded in
January142AQI
Lowest AQI recorded in
August54AQI
202485AQI
Highest AQI recorded in
March158AQI
Lowest AQI recorded in
September30AQI
2023130AQI
Highest AQI recorded in
January168AQI
Lowest AQI recorded in
June98AQI
2022141AQI
Highest AQI recorded in
December152AQI
Lowest AQI recorded in
November129AQI
Most & Least Polluted Years Over the Last 4 Years
North Tu Liem District's annual 2025 AQI (91) shows an average percentage change of -20.07% (improved AQI) compared to previous years: 2022 (141), 2023 (130), 2024 (85).