Tengzhou Beixin Middle School, Chengtangcun, Shandong, China 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
Tengzhou Beixin Middle School, Chengtangcun, Shandong, China
AQI Trends: Highest and Lowest
Same Day Analysis (16th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 73 of Moderate air quality, showing improvement over 2025, 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 15th Feb - 16th Feb 2026
Tengzhou Beixin Middle School, Chengtangcun, Shandong, China
7 AM15th Feb 2026
5 PM
6 AM16th Feb 2026
162AQI
58AQI
115AQI
44AQI
In the last 24 hours,
Tengzhou Beixin Middle School's AQI reached its highest point of 162 at 10 AM during the Day, while the lowest point, 44, was recorded at 11 PM during the Night between 15th Feb and 16th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Tengzhou Beixin Middle School, Chengtangcun, Shandong, China
1°C-1/2°C
-3°C-5/0°C
-5°C-10/-2°C
-4°C-7/0°C
-3°C-7/2°C
-1°C-5/5°C
1°C-3/6°C
3°C0/7°C
3°C0/6°C
3°C0/6°C
2°C-2/7°C
3°C0/7°C
3°C1/6°C
3°C-1/7°C
4°C0/10°C
5°C1/9°C
5°C1/10°C
8°C2/13°C
9°C2/15°C
-1°C-3/1°C
-1°C-4/3°C
0°C-4/6°C
2°C-3/7°C
5°C-1/11°C
7°C2/13°C
8°C2/15°C
10°C5/17°C
13°C7/20°C
9°C3/11°C
3°C0/7°C
138AQI
119AQI
133AQI
119AQI
2026 Days Vs Air Quality
Tengzhou Beixin Middle School, Chengtangcun, Shandong, China
26%
12
28%
13
47%
22
Total number of days with different AQI categories in last 48 days in 2026 (317 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2026, 0% of 48 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
Tengzhou Beixin Middle School, Chengtangcun, Shandong, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
90AQI (US)
104AQI (US)
156AQI (US)
167AQI (US)
188AQI (US)
181AQI (US)
168AQI (US)
122AQI (US)
128AQI (US)
87AQI (US)
61AQI (US)
110AQI (US)
160AQI (US)
168AQI (US)
178AQI (US)
170AQI (US)
89AQI (US)
72AQI (US)
78AQI (US)
58AQI (US)
66AQI (US)
120AQI (US)
151AQI (US)
165AQI (US)
161AQI (US)
123AQI (US)
158AQI (US)
157AQI (US)
145AQI (US)
153AQI (US)
144AQI (US)
160AQI (US)
164AQI (US)
168AQI (US)
159AQI (US)
159AQI (US)
66AQI (US)
74AQI (US)
82AQI (US)
101AQI (US)
128AQI (US)
144AQI (US)
151AQI (US)
151AQI (US)
146AQI (US)
130AQI (US)
73AQI (US)
132AQI (US)
129AQI (US)
No. of days
2026131AQI (US)
Highest AQI (US) recorded in
January132AQI (US)
Lowest AQI (US) recorded in
February129AQI (US)
202599AQI (US)
Highest AQI (US) recorded in
January142AQI (US)
Lowest AQI (US) recorded in
August60AQI (US)
2024102AQI (US)
Highest AQI (US) recorded in
January151AQI (US)
Lowest AQI (US) recorded in
September60AQI (US)
2023105AQI (US)
Highest AQI (US) recorded in
January153AQI (US)
Lowest AQI (US) recorded in
July66AQI (US)
2022108AQI (US)
Highest AQI (US) recorded in
January164AQI (US)
Lowest AQI (US) recorded in
August61AQI (US)
2021114AQI (US)
Highest AQI (US) recorded in
January161AQI (US)
Lowest AQI (US) recorded in
July61AQI (US)
2020118AQI (US)
Highest AQI (US) recorded in
December157AQI (US)
Lowest AQI (US) recorded in
August81AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Tengzhou Beixin Middle School's annual 2026 AQI (US) (131) shows an average percentage change of 21.3% (worsened AQI (US)) compared to previous years: 2020 (118), 2021 (114), 2022 (108), 2023 (105), 2024 (102), 2025 (99).