Hien Nam, Thanh pho Hung Yen, Hung Yen, 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
Hien Nam, Thanh pho Hung Yen, Hung Yen, Vietnam
AQI Trends: Highest and Lowest
Same Day Analysis (12th July):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 87 of Moderate air quality on the same day.
Day & Night AQI Trend: 11th Jul - 12th Jul 2026
Hien Nam, Thanh pho Hung Yen, Hung Yen, Vietnam
5 AM11th Jul 2026
6 PM
4 AM12th Jul 2026
102AQI
72AQI
109AQI
90AQI
In the last 24 hours,
Hien Nam's AQI reached its highest point of 109 at 3 AM during the Night, while the lowest point, 72, was recorded at 6 AM during the Day between 11th Jul and 12th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Hien Nam, Thanh pho Hung Yen, Hung Yen, Vietnam
30°C27/36°C
31°C28/34°C
31°C28/34°C
29°C27/33°C
28°C27/33°C
31°C28/35°C
30°C29/33°C
30°C28/33°C
32°C28/36°C
32°C29/38°C
34°C29/40°C
34°C29/41°C
33°C29/39°C
30°C27/36°C
31°C27/37°C
31°C28/37°C
32°C28/37°C
31°C27/35°C
29°C27/33°C
30°C27/34°C
29°C27/32°C
29°C26/32°C
28°C27/31°C
28°C26/32°C
30°C26/34°C
30°C27/35°C
30°C28/35°C
30°C27/34°C
30°C26/33°C
29°C27/33°C
48AQI
40AQI
56AQI
42AQI
2026 Days Vs Air Quality
Hien Nam, Thanh pho Hung Yen, Hung Yen, Vietnam
21%
40
63%
119
15%
29
1%
2
Total number of days with different AQI categories in last 193 days in 2026 (172 days remaining)
Under WHO’s Safe Air Quality Limits: 21%
Health Risk Level:
Very high
In 2026, 21% of 193 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Hien Nam, Thanh pho Hung Yen, Hung Yen, Vietnam
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
69AQI (US)
75AQI (US)
114AQI (US)
110AQI (US)
94AQI (US)
66AQI (US)
90AQI (US)
83AQI (US)
109AQI (US)
139AQI (US)
155AQI (US)
150AQI (US)
162AQI (US)
141AQI (US)
136AQI (US)
121AQI (US)
106AQI (US)
104AQI (US)
114AQI (US)
89AQI (US)
80AQI (US)
56AQI (US)
71AQI (US)
97AQI (US)
138AQI (US)
148AQI (US)
143AQI (US)
136AQI (US)
105AQI (US)
80AQI (US)
77AQI (US)
78AQI (US)
108AQI (US)
144AQI (US)
145AQI (US)
74AQI (US)
95AQI (US)
67AQI (US)
82AQI (US)
50AQI (US)
83AQI (US)
92AQI (US)
92AQI (US)
83AQI (US)
79AQI (US)
85AQI (US)
71AQI (US)
122AQI (US)
117AQI (US)
108AQI (US)
91AQI (US)
84AQI (US)
51AQI (US)
61AQI (US)
65AQI (US)
75AQI (US)
85AQI (US)
82AQI (US)
73AQI (US)
78AQI (US)
75AQI (US)
50AQI (US)
62AQI (US)
88AQI (US)
112AQI (US)
89AQI (US)
64AQI (US)
57AQI (US)
28AQI (US)
73AQI (US)
122AQI (US)
108AQI (US)
76AQI (US)
75AQI (US)
63AQI (US)
62AQI (US)
69AQI (US)
64AQI (US)
60AQI (US)
73AQI (US)
64AQI (US)
60AQI (US)
74AQI (US)
69AQI (US)
84AQI (US)
73AQI (US)
79AQI (US)
81AQI (US)
89AQI (US)
83AQI (US)
58AQI (US)
82AQI (US)
93AQI (US)
73AQI (US)
90AQI (US)
133AQI (US)
125AQI (US)
91AQI (US)
82AQI (US)
90AQI (US)
121AQI (US)
120AQI (US)
93AQI (US)
82AQI (US)
68AQI (US)
52AQI (US)
65AQI (US)
57AQI (US)
67AQI (US)
58AQI (US)
46AQI (US)
57AQI (US)
66AQI (US)
64AQI (US)
52AQI (US)
43AQI (US)
35AQI (US)
36AQI (US)
59AQI (US)
64AQI (US)
54AQI (US)
35AQI (US)
72AQI (US)
50AQI (US)
42AQI (US)
63AQI (US)
89AQI (US)
81AQI (US)
42AQI (US)
48AQI (US)
60AQI (US)
63AQI (US)
77AQI (US)
74AQI (US)
69AQI (US)
54AQI (US)
63AQI (US)
73AQI (US)
69AQI (US)
57AQI (US)
64AQI (US)
59AQI (US)
50AQI (US)
68AQI (US)
56AQI (US)
60AQI (US)
83AQI (US)
89AQI (US)
74AQI (US)
67AQI (US)
60AQI (US)
71AQI (US)
48AQI (US)
51AQI (US)
51AQI (US)
46AQI (US)
28AQI (US)
52AQI (US)
61AQI (US)
73AQI (US)
39AQI (US)
42AQI (US)
49AQI (US)
84AQI (US)
47AQI (US)
44AQI (US)
41AQI (US)
42AQI (US)
43AQI (US)
46AQI (US)
43AQI (US)
43AQI (US)
49AQI (US)
35AQI (US)
81AQI (US)
72AQI (US)
58AQI (US)
28AQI (US)
23AQI (US)
40AQI (US)
47AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
45AQI (US)
34AQI (US)
26AQI (US)
27AQI (US)
83AQI (US)
87AQI (US)
108AQI (US)
87AQI (US)
74AQI (US)
75AQI (US)
63AQI (US)
52AQI (US)
41AQI (US)
No. of days
202674AQI (US)
Highest AQI (US) recorded in
January108AQI (US)
Lowest AQI (US) recorded in
July41AQI (US)
202574AQI (US)
Highest AQI (US) recorded in
December132AQI (US)
Lowest AQI (US) recorded in
September47AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Hien Nam's annual 2026 AQI (US) (74) shows an average percentage change of 0% (No Change AQI (US)) compared to previous years: 2025 (74).