Long Bien 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!
July Air Quality Analysis
Long Bien District, Ha Noi, Vietnam
AQI Trends: Highest and Lowest
Same Day Analysis (31st July ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 61 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
2025 Days Vs Air Quality
Long Bien District, Ha Noi, Vietnam
2%
5
68%
144
25%
52
5%
11
Total number of days with different AQI categories in last 213 days in 2025 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% of 213 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
Long Bien District, Ha Noi, Vietnam
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
154AQI
184AQI
142AQI
130AQI
140AQI
145AQI
152AQI
130AQI
147AQI
100AQI
108AQI
122AQI
144AQI
149AQI
153AQI
148AQI
155AQI
166AQI
163AQI
180AQI
166AQI
165AQI
139AQI
140AQI
108AQI
70AQI
90AQI
82AQI
123AQI
111AQI
93AQI
82AQI
70AQI
56AQI
71AQI
97AQI
100AQI
52AQI
60AQI
85AQI
137AQI
146AQI
162AQI
137AQI
136AQI
143AQI
74AQI
111AQI
63AQI
90AQI
133AQI
106AQI
131AQI
62AQI
73AQI
92AQI
82AQI
140AQI
104AQI
104AQI
80AQI
88AQI
85AQI
89AQI
61AQI
70AQI
89AQI
127AQI
137AQI
118AQI
89AQI
79AQI
80AQI
79AQI
56AQI
77AQI
77AQI
77AQI
85AQI
119AQI
118AQI
119AQI
128AQI
126AQI
115AQI
103AQI
107AQI
81AQI
66AQI
74AQI
99AQI
129AQI
109AQI
144AQI
121AQI
132AQI
124AQI
117AQI
91AQI
97AQI
97AQI
105AQI
96AQI
105AQI
110AQI
116AQI
104AQI
109AQI
99AQI
89AQI
87AQI
96AQI
100AQI
89AQI
82AQI
82AQI
72AQI
70AQI
80AQI
76AQI
64AQI
85AQI
81AQI
77AQI
81AQI
76AQI
76AQI
77AQI
80AQI
84AQI
55AQI
72AQI
70AQI
67AQI
61AQI
62AQI
56AQI
55AQI
58AQI
58AQI
57AQI
56AQI
55AQI
55AQI
55AQI
59AQI
81AQI
76AQI
58AQI
59AQI
58AQI
53AQI
56AQI
55AQI
59AQI
72AQI
60AQI
60AQI
59AQI
64AQI
61AQI
64AQI
63AQI
55AQI
63AQI
80AQI
64AQI
64AQI
60AQI
69AQI
73AQI
66AQI
69AQI
65AQI
66AQI
58AQI
59AQI
63AQI
55AQI
56AQI
54AQI
48AQI
49AQI
56AQI
61AQI
62AQI
58AQI
65AQI
63AQI
69AQI
58AQI
57AQI
55AQI
56AQI
71AQI
82AQI
57AQI
55AQI
58AQI
71AQI
56AQI
53AQI
38AQI
40AQI
40AQI
57AQI
58AQI
56AQI
63AQI
74AQI
67AQI
61AQI
135AQI
100AQI
94AQI
101AQI
67AQI
62AQI
59AQI
No. of days
202588AQI
Highest AQI recorded in
January135AQI
Lowest AQI recorded in
July59AQI
202462AQI
Highest AQI recorded in
December105AQI
Lowest AQI recorded in
September32AQI
2023121AQI
Highest AQI recorded in
January180AQI
Lowest AQI recorded in
December68AQI
2022156AQI
Highest AQI recorded in
December166AQI
Lowest AQI recorded in
November147AQI
Most & Least Polluted Years Over the Last 4 Years
Long Bien District's annual 2025 AQI (88) shows an average percentage change of -9.7% (improved AQI) compared to previous years: 2022 (156), 2023 (121), 2024 (62).
