City Government, Sanmenxia, Henan, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
City Government, Sanmenxia, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (14th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 136 of Poor air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Mar - 14th Mar 2026
City Government, Sanmenxia, Henan, China
7 AM13th Mar 2026
6 PM
6 AM14th Mar 2026
181AQI
166AQI
178AQI
168AQI
In the last 24 hours,
City Government's AQI reached its highest point of 181 at 10 AM during the Day, while the lowest point, 166, was recorded at 6 AM during the Day between 13th Mar and 14th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
City Government, Sanmenxia, Henan, China
9°C4/17°C
12°C6/19°C
6°C1/10°C
3°C1/7°C
5°C-1/11°C
7°C1/13°C
9°C3/16°C
12°C4/22°C
14°C8/21°C
9°C4/13°C
7°C3/9°C
7°C0/14°C
8°C6/12°C
9°C6/13°C
8°C5/10°C
6°C3/7°C
2°C2/3°C
5°C0/10°C
9°C3/15°C
7°C5/11°C
9°C5/16°C
4°C2/7°C
2°C1/4°C
7°C0/14°C
9°C5/14°C
11°C4/18°C
13°C8/20°C
11°C6/15°C
9°C6/13°C
7°C4/9°C
115AQI
98AQI
118AQI
106AQI
2026 Days Vs Air Quality
City Government, Sanmenxia, Henan, China
1%
1
29%
21
42%
31
27%
20
Total number of days with different AQI categories in last 74 days in 2026 (291 days remaining)
Under WHO’s Safe Air Quality Limits: 1%
Health Risk Level:
Extreme
In 2026, 1% of 74 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
City Government, Sanmenxia, Henan, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
121AQI (US)
162AQI (US)
179AQI (US)
176AQI (US)
135AQI (US)
74AQI (US)
94AQI (US)
102AQI (US)
88AQI (US)
80AQI (US)
81AQI (US)
135AQI (US)
132AQI (US)
158AQI (US)
119AQI (US)
134AQI (US)
152AQI (US)
141AQI (US)
113AQI (US)
98AQI (US)
86AQI (US)
150AQI (US)
157AQI (US)
165AQI (US)
174AQI (US)
166AQI (US)
158AQI (US)
163AQI (US)
177AQI (US)
172AQI (US)
169AQI (US)
165AQI (US)
144AQI (US)
141AQI (US)
152AQI (US)
150AQI (US)
108AQI (US)
58AQI (US)
57AQI (US)
129AQI (US)
123AQI (US)
91AQI (US)
135AQI (US)
142AQI (US)
151AQI (US)
98AQI (US)
78AQI (US)
125AQI (US)
124AQI (US)
96AQI (US)
65AQI (US)
76AQI (US)
107AQI (US)
103AQI (US)
69AQI (US)
103AQI (US)
98AQI (US)
100AQI (US)
80AQI (US)
32AQI (US)
88AQI (US)
122AQI (US)
141AQI (US)
112AQI (US)
122AQI (US)
67AQI (US)
101AQI (US)
136AQI (US)
149AQI (US)
157AQI (US)
160AQI (US)
174AQI (US)
136AQI (US)
136AQI (US)
110AQI (US)
121AQI (US)
No. of days
2026123AQI (US)
Highest AQI (US) recorded in
January136AQI (US)
Lowest AQI (US) recorded in
February110AQI (US)
2025102AQI (US)
Highest AQI (US) recorded in
December142AQI (US)
Lowest AQI (US) recorded in
September56AQI (US)
2024102AQI (US)
Highest AQI (US) recorded in
February147AQI (US)
Lowest AQI (US) recorded in
July62AQI (US)
2023103AQI (US)
Highest AQI (US) recorded in
February157AQI (US)
Lowest AQI (US) recorded in
July69AQI (US)
2022116AQI (US)
Highest AQI (US) recorded in
January169AQI (US)
Lowest AQI (US) recorded in
August61AQI (US)
2021113AQI (US)
Highest AQI (US) recorded in
March198AQI (US)
Lowest AQI (US) recorded in
July64AQI (US)
2020106AQI (US)
Highest AQI (US) recorded in
December146AQI (US)
Lowest AQI (US) recorded in
August73AQI (US)
Most & Least Polluted Years Over the Last 7 Years
City Government's annual 2026 AQI (US) (123) shows an average percentage change of 15.1% (worsened AQI (US)) compared to previous years: 2020 (106), 2021 (113), 2022 (116), 2023 (103), 2024 (102), 2025 (102).