Sanmenxia, Henan, China 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
Sanmenxia, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (18th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 60 of Moderate air quality, showing improvement over 2025, 2023 and 2022 on the same day.
Day & Night AQI Trend: 17th Jul - 18th Jul 2026
Sanmenxia, Henan, China
5 AM17th Jul 2026
7 PM
4 AM18th Jul 2026
43AQI
12AQI
67AQI
35AQI
In the last 24 hours,
Sanmenxia's AQI reached its highest point of 67 at 1 AM during the Night, while the lowest point, 12, was recorded at 5 AM during the Day between 17th Jul and 18th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Sanmenxia, Henan, China
22°C19/28°C
24°C17/31°C
21°C18/23°C
21°C18/27°C
23°C16/30°C
24°C18/31°C
26°C19/33°C
25°C20/33°C
28°C21/37°C
29°C22/38°C
29°C23/36°C
27°C21/35°C
28°C21/35°C
28°C24/33°C
28°C20/36°C
30°C22/38°C
32°C24/40°C
29°C21/38°C
28°C20/37°C
32°C23/41°C
32°C25/40°C
31°C25/39°C
30°C26/36°C
27°C24/33°C
31°C25/37°C
32°C28/38°C
29°C24/34°C
29°C24/36°C
27°C23/32°C
27°C21/33°C
61AQI
47AQI
57AQI
52AQI
2026 Days Vs Air Quality
Sanmenxia, Henan, China
13%
26
51%
101
26%
52
10%
20
Total number of days with different AQI categories in last 199 days in 2026 (166 days remaining)
Under WHO’s Safe Air Quality Limits: 13%
Health Risk Level:
Extreme
In 2026, 13% of 199 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
Sanmenxia, Henan, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
123AQI (US)
164AQI (US)
183AQI (US)
174AQI (US)
134AQI (US)
74AQI (US)
91AQI (US)
96AQI (US)
90AQI (US)
81AQI (US)
80AQI (US)
131AQI (US)
137AQI (US)
158AQI (US)
122AQI (US)
134AQI (US)
150AQI (US)
138AQI (US)
110AQI (US)
96AQI (US)
92AQI (US)
150AQI (US)
156AQI (US)
166AQI (US)
174AQI (US)
167AQI (US)
154AQI (US)
164AQI (US)
176AQI (US)
172AQI (US)
170AQI (US)
167AQI (US)
145AQI (US)
139AQI (US)
151AQI (US)
154AQI (US)
111AQI (US)
61AQI (US)
62AQI (US)
128AQI (US)
121AQI (US)
97AQI (US)
140AQI (US)
149AQI (US)
151AQI (US)
101AQI (US)
80AQI (US)
130AQI (US)
128AQI (US)
102AQI (US)
74AQI (US)
85AQI (US)
107AQI (US)
101AQI (US)
69AQI (US)
114AQI (US)
107AQI (US)
106AQI (US)
83AQI (US)
36AQI (US)
98AQI (US)
133AQI (US)
145AQI (US)
116AQI (US)
124AQI (US)
74AQI (US)
115AQI (US)
142AQI (US)
149AQI (US)
160AQI (US)
162AQI (US)
176AQI (US)
137AQI (US)
80AQI (US)
119AQI (US)
138AQI (US)
77AQI (US)
96AQI (US)
110AQI (US)
130AQI (US)
125AQI (US)
121AQI (US)
127AQI (US)
108AQI (US)
97AQI (US)
120AQI (US)
116AQI (US)
97AQI (US)
95AQI (US)
114AQI (US)
59AQI (US)
118AQI (US)
96AQI (US)
73AQI (US)
89AQI (US)
68AQI (US)
82AQI (US)
112AQI (US)
116AQI (US)
98AQI (US)
56AQI (US)
91AQI (US)
83AQI (US)
79AQI (US)
97AQI (US)
75AQI (US)
66AQI (US)
66AQI (US)
103AQI (US)
118AQI (US)
54AQI (US)
38AQI (US)
45AQI (US)
65AQI (US)
67AQI (US)
76AQI (US)
100AQI (US)
83AQI (US)
82AQI (US)
69AQI (US)
64AQI (US)
44AQI (US)
40AQI (US)
40AQI (US)
58AQI (US)
70AQI (US)
46AQI (US)
45AQI (US)
46AQI (US)
54AQI (US)
78AQI (US)
133AQI (US)
106AQI (US)
62AQI (US)
85AQI (US)
77AQI (US)
76AQI (US)
74AQI (US)
74AQI (US)
88AQI (US)
97AQI (US)
100AQI (US)
90AQI (US)
82AQI (US)
83AQI (US)
59AQI (US)
89AQI (US)
94AQI (US)
65AQI (US)
43AQI (US)
53AQI (US)
80AQI (US)
97AQI (US)
92AQI (US)
66AQI (US)
62AQI (US)
96AQI (US)
64AQI (US)
57AQI (US)
40AQI (US)
36AQI (US)
54AQI (US)
50AQI (US)
38AQI (US)
59AQI (US)
79AQI (US)
75AQI (US)
70AQI (US)
43AQI (US)
37AQI (US)
68AQI (US)
54AQI (US)
34AQI (US)
63AQI (US)
62AQI (US)
71AQI (US)
66AQI (US)
78AQI (US)
72AQI (US)
69AQI (US)
43AQI (US)
34AQI (US)
52AQI (US)
32AQI (US)
35AQI (US)
41AQI (US)
62AQI (US)
74AQI (US)
59AQI (US)
64AQI (US)
62AQI (US)
45AQI (US)
34AQI (US)
61AQI (US)
82AQI (US)
43AQI (US)
71AQI (US)
34AQI (US)
60AQI (US)
136AQI (US)
113AQI (US)
117AQI (US)
81AQI (US)
71AQI (US)
63AQI (US)
53AQI (US)
No. of days
202693AQI (US)
Highest AQI (US) recorded in
January136AQI (US)
Lowest AQI (US) recorded in
July53AQI (US)
2025102AQI (US)
Highest AQI (US) recorded in
December141AQI (US)
Lowest AQI (US) recorded in
September57AQI (US)
2024105AQI (US)
Highest AQI (US) recorded in
February149AQI (US)
Lowest AQI (US) recorded in
July67AQI (US)
2023106AQI (US)
Highest AQI (US) recorded in
February157AQI (US)
Lowest AQI (US) recorded in
July72AQI (US)
2022115AQI (US)
Highest AQI (US) recorded in
January168AQI (US)
Lowest AQI (US) recorded in
August71AQI (US)
2021113AQI (US)
Highest AQI (US) recorded in
March203AQI (US)
Lowest AQI (US) recorded in
July64AQI (US)
2020104AQI (US)
Highest AQI (US) recorded in
December145AQI (US)
Lowest AQI (US) recorded in
August71AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Sanmenxia's annual 2026 AQI (US) (93) shows an average percentage change of -13.3% (improved AQI (US)) compared to previous years: 2020 (104), 2021 (113), 2022 (115), 2023 (106), 2024 (105), 2025 (102).