Nam Tu Liem, Ha Noi, Vietnam Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Nam Tu Liem, Ha Noi, Vietnam
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 50 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Nam Tu Liem, Ha Noi, Vietnam
5 AM2nd Jul 2025
6 PM
4 AM3rd Jul 2025
56AQI
36AQI
54AQI
52AQI
In the last 24 hours,
Nam Tu Liem's AQI reached its highest point of 56 at 5 AM during the Day, while the lowest point, 36, was recorded at 9 AM during the Day between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Nam Tu Liem, Ha Noi, Vietnam
30°C26/34°C
29°C26/33°C
29°C25/34°C
30°C26/35°C
30°C27/36°C
31°C27/35°C
29°C26/34°C
27°C24/30°C
29°C25/34°C
28°C26/31°C
29°C25/33°C
31°C26/36°C
31°C27/38°C
29°C27/32°C
29°C26/34°C
30°C27/34°C
31°C28/36°C
29°C27/33°C
28°C26/30°C
28°C25/32°C
29°C25/34°C
29°C26/34°C
30°C26/35°C
30°C26/35°C
29°C26/32°C
28°C26/31°C
28°C26/33°C
28°C26/31°C
28°C26/32°C
28°C26/31°C
0°C0/0°C
57AQI
55AQI
62AQI
59AQI
2025 Days Vs Air Quality
Nam Tu Liem, Ha Noi, Vietnam
2%
3
70%
128
22%
41
6%
11
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% of 184 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
Nam Tu Liem, Ha Noi, Vietnam
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
138AQI
183AQI
140AQI
106AQI
101AQI
106AQI
128AQI
143AQI
150AQI
106AQI
116AQI
124AQI
149AQI
152AQI
154AQI
152AQI
161AQI
165AQI
164AQI
178AQI
164AQI
162AQI
143AQI
134AQI
110AQI
83AQI
95AQI
89AQI
124AQI
114AQI
98AQI
91AQI
77AQI
64AQI
73AQI
97AQI
111AQI
53AQI
66AQI
90AQI
138AQI
147AQI
164AQI
143AQI
139AQI
147AQI
87AQI
115AQI
77AQI
95AQI
129AQI
115AQI
127AQI
74AQI
78AQI
87AQI
80AQI
139AQI
102AQI
111AQI
86AQI
88AQI
89AQI
89AQI
69AQI
75AQI
96AQI
125AQI
139AQI
116AQI
100AQI
83AQI
94AQI
82AQI
66AQI
83AQI
84AQI
81AQI
90AQI
116AQI
105AQI
112AQI
122AQI
109AQI
80AQI
90AQI
91AQI
71AQI
51AQI
58AQI
79AQI
106AQI
89AQI
135AQI
94AQI
104AQI
95AQI
98AQI
88AQI
87AQI
88AQI
92AQI
84AQI
91AQI
96AQI
96AQI
91AQI
95AQI
87AQI
78AQI
80AQI
85AQI
86AQI
77AQI
69AQI
73AQI
55AQI
51AQI
75AQI
61AQI
55AQI
78AQI
76AQI
75AQI
81AQI
74AQI
74AQI
77AQI
79AQI
80AQI
53AQI
72AQI
68AQI
65AQI
62AQI
62AQI
52AQI
59AQI
55AQI
59AQI
59AQI
59AQI
58AQI
60AQI
61AQI
65AQI
91AQI
96AQI
69AQI
70AQI
63AQI
51AQI
53AQI
52AQI
60AQI
71AQI
60AQI
59AQI
60AQI
62AQI
57AQI
62AQI
59AQI
50AQI
59AQI
63AQI
61AQI
58AQI
55AQI
62AQI
66AQI
62AQI
64AQI
64AQI
64AQI
58AQI
59AQI
59AQI
55AQI
57AQI
55AQI
49AQI
50AQI
133AQI
104AQI
92AQI
86AQI
68AQI
59AQI
50AQI
No. of days
202590AQI
Highest AQI recorded in
January133AQI
Lowest AQI recorded in
July50AQI
202468AQI
Highest AQI recorded in
December95AQI
Lowest AQI recorded in
April13AQI
202371AQI
Highest AQI recorded in
January112AQI
Lowest AQI recorded in
July31AQI
202285AQI
Highest AQI recorded in
January90AQI
Lowest AQI recorded in
December78AQI
202162AQI
Highest AQI recorded in
January117AQI
Lowest AQI recorded in
August27AQI
202050AQI
Highest AQI recorded in
December80AQI
Lowest AQI recorded in
June38AQI
Most & Least Polluted Years Over the Last 6 Years
Nam Tu Liem's annual 2025 AQI (90) shows an average percentage change of 37.2% (worsened AQI) compared to previous years: 2020 (50), 2021 (62), 2022 (85), 2023 (71), 2024 (68).