Kaifeng Chengguanzhen, 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
Kaifeng Chengguanzhen, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (4th March):
On this day, AQI across the 3 years varied significantly: 2026 ranks 1st highest AQI at 162 of Unhealthy air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Mar - 4th Mar 2026
Kaifeng Chengguanzhen, Henan, China
7 AM3rd Mar 2026
6 PM
6 AM4th Mar 2026
163AQI
151AQI
173AQI
159AQI
In the last 24 hours,
Kaifeng Chengguanzhen's AQI reached its highest point of 173 at 12 AM during the Night, while the lowest point, 151, was recorded at 7 AM during the Day between 3rd Mar and 4th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Kaifeng Chengguanzhen, Henan, China
7°C3/11°C
9°C4/14°C
9°C4/14°C
1°C-2/3°C
0°C-4/6°C
2°C-3/8°C
3°C-2/8°C
7°C2/14°C
7°C2/13°C
10°C4/17°C
12°C7/18°C
14°C8/22°C
7°C2/9°C
4°C0/7°C
6°C0/12°C
9°C3/15°C
11°C6/18°C
14°C8/23°C
18°C10/27°C
13°C9/17°C
8°C4/9°C
8°C3/14°C
8°C4/12°C
8°C7/9°C
9°C5/13°C
7°C3/9°C
1°C0/2°C
2°C0/6°C
7°C2/13°C
8°C5/12°C
129AQI
108AQI
131AQI
116AQI
2026 Days Vs Air Quality
Kaifeng Chengguanzhen, Henan, China
27%
17
32%
20
40%
25
2%
1
Total number of days with different AQI categories in last 64 days in 2026 (301 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2026, 0% of 64 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
Kaifeng Chengguanzhen, Henan, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
100AQI (US)
153AQI (US)
169AQI (US)
168AQI (US)
201AQI (US)
93AQI (US)
71AQI (US)
134AQI (US)
100AQI (US)
72AQI (US)
57AQI (US)
97AQI (US)
97AQI (US)
168AQI (US)
127AQI (US)
153AQI (US)
135AQI (US)
130AQI (US)
106AQI (US)
91AQI (US)
146AQI (US)
159AQI (US)
153AQI (US)
164AQI (US)
179AQI (US)
175AQI (US)
182AQI (US)
163AQI (US)
176AQI (US)
162AQI (US)
172AQI (US)
160AQI (US)
166AQI (US)
156AQI (US)
160AQI (US)
152AQI (US)
94AQI (US)
106AQI (US)
152AQI (US)
139AQI (US)
126AQI (US)
105AQI (US)
149AQI (US)
161AQI (US)
156AQI (US)
87AQI (US)
64AQI (US)
124AQI (US)
124AQI (US)
117AQI (US)
113AQI (US)
110AQI (US)
90AQI (US)
97AQI (US)
86AQI (US)
81AQI (US)
94AQI (US)
144AQI (US)
136AQI (US)
112AQI (US)
111AQI (US)
158AQI (US)
162AQI (US)
137AQI (US)
123AQI (US)
136AQI (US)
No. of days
2026131AQI (US)
Highest AQI (US) recorded in
January137AQI (US)
Lowest AQI (US) recorded in
February123AQI (US)
2025104AQI (US)
Highest AQI (US) recorded in
December155AQI (US)
Lowest AQI (US) recorded in
August60AQI (US)
202498AQI (US)
Highest AQI (US) recorded in
February153AQI (US)
Lowest AQI (US) recorded in
July53AQI (US)
2023129AQI (US)
Highest AQI (US) recorded in
December130AQI (US)
Lowest AQI (US) recorded in
November115AQI (US)
2021145AQI (US)
Highest AQI (US) recorded in
January159AQI (US)
Lowest AQI (US) recorded in
March109AQI (US)
2020122AQI (US)
Highest AQI (US) recorded in
December164AQI (US)
Lowest AQI (US) recorded in
August79AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Kaifeng Chengguanzhen's annual 2026 AQI (US) (131) shows an average percentage change of 11.5% (worsened AQI (US)) compared to previous years: 2020 (122), 2021 (145), 2023 (129), 2024 (98), 2025 (104).