Hanoi Police Headquarters P. Hang Ma, 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!
July Air Quality Analysis
Hanoi Police Headquarters P. Hang Ma, Hanoi, Ha Noi, Vietnam
AQI Trends: Highest and Lowest
Same Day Analysis (12th July):
On this day, AQI across the 3 years varied significantly: 2026 ranks 1st highest AQI at 90 of Moderate air quality on the same day.
Day & Night AQI Trend: 12th Jul - 13th Jul 2026
Hanoi Police Headquarters P. Hang Ma, Hanoi, Ha Noi, Vietnam
5 AM12th Jul 2026
6 PM
4 AM13th Jul 2026
128AQI
62AQI
88AQI
49AQI
In the last 24 hours,
Hanoi Police Headquarters P. Hang Ma's AQI reached its highest point of 128 at 8 AM during the Day, while the lowest point, 49, was recorded at 8 PM during the Night between 12th Jul and 13th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Hanoi Police Headquarters P. Hang Ma, Hanoi, Ha Noi, Vietnam
31°C28/38°C
31°C28/37°C
28°C26/29°C
28°C25/31°C
30°C27/37°C
30°C29/32°C
30°C27/36°C
32°C27/38°C
33°C28/40°C
34°C29/39°C
35°C30/40°C
32°C29/38°C
28°C27/32°C
30°C27/35°C
31°C28/37°C
30°C27/37°C
29°C27/34°C
29°C26/34°C
30°C27/33°C
30°C27/34°C
29°C27/33°C
29°C27/33°C
28°C26/34°C
30°C26/36°C
30°C26/35°C
29°C27/34°C
29°C26/34°C
30°C27/35°C
30°C27/34°C
31°C27/35°C
67AQI
55AQI
67AQI
60AQI
2026 Days Vs Air Quality
Hanoi Police Headquarters P. Hang Ma, Hanoi, Ha Noi, Vietnam
7%
14
64%
121
19%
37
9%
18
Total number of days with different AQI categories in last 194 days in 2026 (171 days remaining)
Under WHO’s Safe Air Quality Limits: 7%
Health Risk Level:
Extreme
In 2026, 7% of 194 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
Hanoi Police Headquarters P. Hang Ma, Hanoi, Ha Noi, Vietnam
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
127AQI (US)
69AQI (US)
119AQI (US)
158AQI (US)
111AQI (US)
66AQI (US)
124AQI (US)
147AQI (US)
182AQI (US)
170AQI (US)
166AQI (US)
162AQI (US)
188AQI (US)
172AQI (US)
171AQI (US)
161AQI (US)
141AQI (US)
142AQI (US)
145AQI (US)
116AQI (US)
102AQI (US)
62AQI (US)
76AQI (US)
113AQI (US)
155AQI (US)
159AQI (US)
166AQI (US)
157AQI (US)
143AQI (US)
108AQI (US)
106AQI (US)
96AQI (US)
130AQI (US)
158AQI (US)
162AQI (US)
160AQI (US)
157AQI (US)
85AQI (US)
77AQI (US)
45AQI (US)
97AQI (US)
84AQI (US)
95AQI (US)
80AQI (US)
74AQI (US)
84AQI (US)
66AQI (US)
117AQI (US)
94AQI (US)
96AQI (US)
71AQI (US)
89AQI (US)
54AQI (US)
65AQI (US)
74AQI (US)
81AQI (US)
84AQI (US)
87AQI (US)
69AQI (US)
77AQI (US)
71AQI (US)
54AQI (US)
66AQI (US)
108AQI (US)
141AQI (US)
109AQI (US)
78AQI (US)
69AQI (US)
32AQI (US)
78AQI (US)
130AQI (US)
123AQI (US)
89AQI (US)
83AQI (US)
68AQI (US)
66AQI (US)
73AQI (US)
68AQI (US)
62AQI (US)
80AQI (US)
76AQI (US)
66AQI (US)
74AQI (US)
68AQI (US)
90AQI (US)
73AQI (US)
76AQI (US)
75AQI (US)
99AQI (US)
103AQI (US)
78AQI (US)
102AQI (US)
125AQI (US)
101AQI (US)
115AQI (US)
152AQI (US)
149AQI (US)
116AQI (US)
112AQI (US)
115AQI (US)
142AQI (US)
140AQI (US)
121AQI (US)
104AQI (US)
87AQI (US)
76AQI (US)
103AQI (US)
81AQI (US)
87AQI (US)
72AQI (US)
55AQI (US)
68AQI (US)
87AQI (US)
76AQI (US)
60AQI (US)
54AQI (US)
38AQI (US)
38AQI (US)
69AQI (US)
75AQI (US)
59AQI (US)
42AQI (US)
77AQI (US)
70AQI (US)
59AQI (US)
66AQI (US)
95AQI (US)
93AQI (US)
65AQI (US)
58AQI (US)
67AQI (US)
82AQI (US)
77AQI (US)
74AQI (US)
70AQI (US)
55AQI (US)
62AQI (US)
73AQI (US)
71AQI (US)
55AQI (US)
63AQI (US)
59AQI (US)
51AQI (US)
89AQI (US)
58AQI (US)
80AQI (US)
77AQI (US)
89AQI (US)
105AQI (US)
86AQI (US)
85AQI (US)
101AQI (US)
72AQI (US)
74AQI (US)
54AQI (US)
71AQI (US)
42AQI (US)
61AQI (US)
88AQI (US)
83AQI (US)
68AQI (US)
69AQI (US)
75AQI (US)
93AQI (US)
69AQI (US)
72AQI (US)
62AQI (US)
45AQI (US)
53AQI (US)
49AQI (US)
54AQI (US)
50AQI (US)
53AQI (US)
36AQI (US)
87AQI (US)
75AQI (US)
69AQI (US)
45AQI (US)
61AQI (US)
73AQI (US)
73AQI (US)
40AQI (US)
52AQI (US)
44AQI (US)
80AQI (US)
57AQI (US)
63AQI (US)
43AQI (US)
90AQI (US)
90AQI (US)
135AQI (US)
94AQI (US)
81AQI (US)
95AQI (US)
69AQI (US)
68AQI (US)
64AQI (US)
No. of days
202689AQI (US)
Highest AQI (US) recorded in
January135AQI (US)
Lowest AQI (US) recorded in
July64AQI (US)
202585AQI (US)
Highest AQI (US) recorded in
December143AQI (US)
Lowest AQI (US) recorded in
August47AQI (US)
202465AQI (US)
Highest AQI (US) recorded in
December100AQI (US)
Lowest AQI (US) recorded in
April1AQI (US)
202347AQI (US)
Highest AQI (US) recorded in
December47AQI (US)
Lowest AQI (US) recorded in
November44AQI (US)
2021107AQI (US)
Highest AQI (US) recorded in
January147AQI (US)
Lowest AQI (US) recorded in
April72AQI (US)
202083AQI (US)
Highest AQI (US) recorded in
December113AQI (US)
Lowest AQI (US) recorded in
June65AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Hanoi Police Headquarters P. Hang Ma's annual 2026 AQI (US) (89) shows an average percentage change of 24.2% (worsened AQI (US)) compared to previous years: 2020 (83), 2021 (107), 2023 (47), 2024 (65), 2025 (85).