Long Bien, 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, Ha Noi, Vietnam
AQI Trends: Highest and Lowest
Same Day Analysis (31st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 65 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
2025 Days Vs Air Quality
Long Bien, Ha Noi, Vietnam
2%
5
66%
139
24%
51
8%
17
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, Ha Noi, Vietnam
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
160AQI
194AQI
158AQI
149AQI
152AQI
157AQI
160AQI
139AQI
154AQI
104AQI
115AQI
124AQI
148AQI
152AQI
160AQI
151AQI
159AQI
166AQI
167AQI
182AQI
171AQI
169AQI
146AQI
145AQI
114AQI
76AQI
92AQI
83AQI
127AQI
113AQI
98AQI
86AQI
72AQI
56AQI
72AQI
101AQI
103AQI
51AQI
64AQI
85AQI
135AQI
145AQI
165AQI
141AQI
143AQI
148AQI
80AQI
117AQI
66AQI
94AQI
135AQI
111AQI
136AQI
66AQI
76AQI
93AQI
84AQI
141AQI
107AQI
107AQI
80AQI
89AQI
84AQI
89AQI
59AQI
70AQI
90AQI
128AQI
140AQI
124AQI
94AQI
82AQI
82AQI
81AQI
57AQI
78AQI
80AQI
80AQI
89AQI
125AQI
123AQI
123AQI
132AQI
128AQI
113AQI
106AQI
110AQI
81AQI
66AQI
71AQI
97AQI
115AQI
107AQI
137AQI
120AQI
137AQI
121AQI
121AQI
86AQI
96AQI
96AQI
108AQI
111AQI
119AQI
123AQI
134AQI
117AQI
123AQI
108AQI
94AQI
84AQI
94AQI
95AQI
88AQI
76AQI
83AQI
72AQI
70AQI
82AQI
79AQI
62AQI
75AQI
78AQI
77AQI
82AQI
76AQI
75AQI
76AQI
79AQI
87AQI
55AQI
76AQI
72AQI
70AQI
65AQI
64AQI
58AQI
55AQI
57AQI
60AQI
59AQI
58AQI
54AQI
52AQI
54AQI
60AQI
83AQI
80AQI
60AQI
63AQI
59AQI
57AQI
58AQI
57AQI
60AQI
72AQI
59AQI
60AQI
59AQI
63AQI
56AQI
64AQI
60AQI
47AQI
60AQI
65AQI
64AQI
66AQI
58AQI
67AQI
69AQI
64AQI
71AQI
65AQI
62AQI
54AQI
57AQI
66AQI
56AQI
56AQI
54AQI
48AQI
51AQI
56AQI
62AQI
65AQI
60AQI
68AQI
66AQI
71AQI
57AQI
58AQI
56AQI
57AQI
76AQI
90AQI
64AQI
63AQI
67AQI
81AQI
61AQI
57AQI
40AQI
50AQI
49AQI
62AQI
64AQI
61AQI
68AQI
80AQI
74AQI
65AQI
141AQI
103AQI
96AQI
103AQI
67AQI
61AQI
63AQI
No. of days
202590AQI
Highest AQI recorded in
January141AQI
Lowest AQI recorded in
June61AQI
202479AQI
Highest AQI recorded in
December115AQI
Lowest AQI recorded in
July49AQI
202391AQI
Highest AQI recorded in
January140AQI
Lowest AQI recorded in
July62AQI
202257AQI
Highest AQI recorded in
January96AQI
Lowest AQI recorded in
July36AQI
202147AQI
Highest AQI recorded in
December113AQI
Lowest AQI recorded in
July24AQI
202036AQI
Highest AQI recorded in
December48AQI
Lowest AQI recorded in
August27AQI
Most & Least Polluted Years Over the Last 6 Years
Long Bien's annual 2025 AQI (90) shows an average percentage change of 63.5% (worsened AQI) compared to previous years: 2020 (36), 2021 (47), 2022 (57), 2023 (91), 2024 (79).
