Phuong Cau Dat, Ngo Quyen District, Hai Phong, Vietnam Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
February Air Quality Analysis
Phuong Cau Dat, Ngo Quyen District, Hai Phong, Vietnam
AQI Trends: Highest and Lowest
Same Day Analysis (12th February):
On this day, AQI across the 4 years varied significantly: 2026 ranks 3rd highest AQI at 76 of Moderate air quality, showing improvement over 2025 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Feb - 12th Feb 2026
Phuong Cau Dat, Ngo Quyen District, Hai Phong, Vietnam
6 AM11th Feb 2026
5 PM
5 AM12th Feb 2026
115AQI
54AQI
76AQI
38AQI
In the last 24 hours,
Phuong Cau Dat's AQI reached its highest point of 115 at 11 AM during the Day, while the lowest point, 38, was recorded at 7 PM during the Night between 11th Feb and 12th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Phuong Cau Dat, Ngo Quyen District, Hai Phong, Vietnam
19°C16/24°C
20°C16/24°C
20°C17/23°C
20°C18/22°C
21°C19/23°C
20°C17/24°C
20°C18/21°C
18°C17/19°C
14°C12/14°C
14°C12/17°C
16°C15/18°C
18°C16/21°C
20°C17/22°C
21°C17/25°C
20°C17/25°C
20°C17/23°C
20°C18/22°C
20°C17/25°C
18°C16/21°C
18°C15/22°C
18°C15/23°C
19°C16/24°C
20°C18/23°C
21°C19/22°C
22°C19/26°C
18°C14/19°C
16°C13/18°C
19°C17/21°C
20°C19/24°C
20°C17/23°C
110AQI
94AQI
110AQI
89AQI
2026 Days Vs Air Quality
Phuong Cau Dat, Ngo Quyen District, Hai Phong, Vietnam
49%
21
47%
20
5%
2
Total number of days with different AQI categories in last 45 days in 2026 (320 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2026, 0% of 45 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
Phuong Cau Dat, Ngo Quyen District, Hai Phong, Vietnam
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
87AQI (US)
78AQI (US)
100AQI (US)
107AQI (US)
91AQI (US)
75AQI (US)
94AQI (US)
95AQI (US)
112AQI (US)
108AQI (US)
133AQI (US)
118AQI (US)
141AQI (US)
128AQI (US)
132AQI (US)
122AQI (US)
103AQI (US)
106AQI (US)
107AQI (US)
78AQI (US)
71AQI (US)
54AQI (US)
70AQI (US)
114AQI (US)
144AQI (US)
150AQI (US)
159AQI (US)
144AQI (US)
138AQI (US)
78AQI (US)
79AQI (US)
79AQI (US)
111AQI (US)
151AQI (US)
148AQI (US)
108AQI (US)
75AQI (US)
74AQI (US)
84AQI (US)
54AQI (US)
85AQI (US)
82AQI (US)
76AQI (US)
107AQI (US)
94AQI (US)
No. of days
2026103AQI (US)
Highest AQI (US) recorded in
January107AQI (US)
Lowest AQI (US) recorded in
February94AQI (US)
202573AQI (US)
Highest AQI (US) recorded in
December124AQI (US)
Lowest AQI (US) recorded in
September44AQI (US)
202476AQI (US)
Highest AQI (US) recorded in
March120AQI (US)
Lowest AQI (US) recorded in
October18AQI (US)
202397AQI (US)
Highest AQI (US) recorded in
January126AQI (US)
Lowest AQI (US) recorded in
July65AQI (US)
2022109AQI (US)
Highest AQI (US) recorded in
October123AQI (US)
Lowest AQI (US) recorded in
November98AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Phuong Cau Dat's annual 2026 AQI (US) (103) shows an average percentage change of 19.4% (worsened AQI (US)) compared to previous years: 2022 (109), 2023 (97), 2024 (76), 2025 (73).