Lingcheng Lingxian No 1 Middle School, Dezhou, 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
Lingcheng Lingxian No 1 Middle School, Dezhou, Shandong, China
AQI Trends: Highest and Lowest
Same Day Analysis (15th February):
On this day, AQI across the 4 years varied significantly: 2026 ranks 2nd highest AQI at 83 of Moderate air quality, showing improvement over 2025 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Feb - 15th Feb 2026
Lingcheng Lingxian No 1 Middle School, Dezhou, Shandong, China
7 AM14th Feb 2026
5 PM
6 AM15th Feb 2026
168AQI
152AQI
172AQI
85AQI
In the last 24 hours,
Lingcheng Lingxian No 1 Middle School's AQI reached its highest point of 172 at 9 PM during the Night, while the lowest point, 85, was recorded at 5 AM during the Night between 14th Feb and 15th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Lingcheng Lingxian No 1 Middle School, Dezhou, Shandong, China
-2°C-5/3°C
-2°C-4/0°C
-4°C-7/0°C
-6°C-10/-2°C
-7°C-13/-2°C
-3°C-7/2°C
-1°C-5/4°C
1°C-4/6°C
0°C-2/4°C
0°C-4/5°C
1°C-3/6°C
2°C-2/6°C
1°C-1/3°C
1°C-2/5°C
2°C-2/6°C
3°C-1/10°C
2°C-3/6°C
5°C0/10°C
7°C2/12°C
4°C-2/7°C
-4°C-6/-1°C
-4°C-8/2°C
-1°C-7/6°C
3°C-1/8°C
5°C0/10°C
6°C0/12°C
8°C2/15°C
10°C5/17°C
12°C6/20°C
4°C1/6°C
128AQI
108AQI
131AQI
114AQI
2026 Days Vs Air Quality
Lingcheng Lingxian No 1 Middle School, Dezhou, Shandong, China
4%
2
26%
12
41%
19
28%
13
Total number of days with different AQI categories in last 47 days in 2026 (318 days remaining)
Under WHO’s Safe Air Quality Limits: 4%
Health Risk Level:
Extreme
In 2026, 4% of 47 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
Lingcheng Lingxian No 1 Middle School, Dezhou, Shandong, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
91AQI (US)
104AQI (US)
163AQI (US)
182AQI (US)
175AQI (US)
150AQI (US)
92AQI (US)
111AQI (US)
126AQI (US)
60AQI (US)
42AQI (US)
90AQI (US)
124AQI (US)
152AQI (US)
177AQI (US)
151AQI (US)
68AQI (US)
63AQI (US)
54AQI (US)
48AQI (US)
90AQI (US)
136AQI (US)
148AQI (US)
160AQI (US)
131AQI (US)
114AQI (US)
134AQI (US)
153AQI (US)
94AQI (US)
116AQI (US)
129AQI (US)
187AQI (US)
128AQI (US)
139AQI (US)
167AQI (US)
132AQI (US)
58AQI (US)
99AQI (US)
112AQI (US)
114AQI (US)
138AQI (US)
134AQI (US)
154AQI (US)
157AQI (US)
164AQI (US)
83AQI (US)
117AQI (US)
131AQI (US)
No. of days
2026122AQI (US)
Highest AQI (US) recorded in
February131AQI (US)
Lowest AQI (US) recorded in
January117AQI (US)
202597AQI (US)
Highest AQI (US) recorded in
November130AQI (US)
Lowest AQI (US) recorded in
July62AQI (US)
2024108AQI (US)
Highest AQI (US) recorded in
January153AQI (US)
Lowest AQI (US) recorded in
September72AQI (US)
2023113AQI (US)
Highest AQI (US) recorded in
January156AQI (US)
Lowest AQI (US) recorded in
August72AQI (US)
2022103AQI (US)
Highest AQI (US) recorded in
December151AQI (US)
Lowest AQI (US) recorded in
July74AQI (US)
2021159AQI (US)
Highest AQI (US) recorded in
January162AQI (US)
Lowest AQI (US) recorded in
February127AQI (US)
2020113AQI (US)
Highest AQI (US) recorded in
December167AQI (US)
Lowest AQI (US) recorded in
August84AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Lingcheng Lingxian No 1 Middle School's annual 2026 AQI (US) (122) shows an average percentage change of 8.1% (worsened AQI (US)) compared to previous years: 2020 (113), 2021 (159), 2022 (103), 2023 (113), 2024 (108), 2025 (97).