Yuntian Vocational And Technical College, Leling, 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
Yuntian Vocational And Technical College, Leling, Shandong, China
AQI Trends: Highest and Lowest
Same Day Analysis (18th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 106 of Poor air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Feb - 18th Feb 2026
Yuntian Vocational And Technical College, Leling, Shandong, China
7 AM17th Feb 2026
5 PM
6 AM18th Feb 2026
166AQI
58AQI
175AQI
146AQI
In the last 24 hours,
Yuntian Vocational And Technical College's AQI reached its highest point of 175 at 4 AM during the Night, while the lowest point, 58, was recorded at 2 PM during the Day between 17th Feb and 18th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Yuntian Vocational And Technical College, Leling, Shandong, China
-7°C-11/-3°C
-9°C-16/-3°C
-5°C-11/2°C
-2°C-6/4°C
-1°C-5/6°C
-1°C-3/3°C
0°C-4/5°C
0°C-4/5°C
2°C-2/7°C
0°C-2/3°C
0°C-2/5°C
1°C-3/6°C
2°C-2/9°C
1°C-4/5°C
4°C-1/11°C
6°C2/12°C
2°C-3/6°C
-5°C-7/-2°C
-5°C-9/1°C
-2°C-8/5°C
3°C-3/9°C
5°C1/10°C
5°C-1/11°C
8°C2/15°C
10°C4/17°C
12°C6/20°C
3°C1/5°C
2°C-3/7°C
4°C-2/11°C
5°C0/11°C
125AQI
107AQI
123AQI
103AQI
2026 Days Vs Air Quality
Yuntian Vocational And Technical College, Leling, Shandong, China
10%
5
29%
14
39%
19
22%
11
Total number of days with different AQI categories in last 50 days in 2026 (315 days remaining)
Under WHO’s Safe Air Quality Limits: 10%
Health Risk Level:
Extreme
In 2026, 10% of 50 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
Yuntian Vocational And Technical College, Leling, Shandong, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
87AQI (US)
75AQI (US)
156AQI (US)
198AQI (US)
167AQI (US)
165AQI (US)
83AQI (US)
93AQI (US)
117AQI (US)
57AQI (US)
39AQI (US)
106AQI (US)
108AQI (US)
135AQI (US)
171AQI (US)
143AQI (US)
62AQI (US)
50AQI (US)
48AQI (US)
40AQI (US)
87AQI (US)
125AQI (US)
154AQI (US)
145AQI (US)
110AQI (US)
89AQI (US)
118AQI (US)
158AQI (US)
85AQI (US)
88AQI (US)
129AQI (US)
150AQI (US)
119AQI (US)
131AQI (US)
170AQI (US)
135AQI (US)
49AQI (US)
74AQI (US)
98AQI (US)
118AQI (US)
124AQI (US)
124AQI (US)
153AQI (US)
155AQI (US)
154AQI (US)
77AQI (US)
90AQI (US)
139AQI (US)
106AQI (US)
109AQI (US)
120AQI (US)
No. of days
2026113AQI (US)
Highest AQI (US) recorded in
February120AQI (US)
Lowest AQI (US) recorded in
January109AQI (US)
202593AQI (US)
Highest AQI (US) recorded in
November127AQI (US)
Lowest AQI (US) recorded in
July61AQI (US)
2024100AQI (US)
Highest AQI (US) recorded in
January133AQI (US)
Lowest AQI (US) recorded in
September66AQI (US)
2023109AQI (US)
Highest AQI (US) recorded in
December144AQI (US)
Lowest AQI (US) recorded in
August69AQI (US)
2022104AQI (US)
Highest AQI (US) recorded in
January135AQI (US)
Lowest AQI (US) recorded in
May83AQI (US)
2021113AQI (US)
Highest AQI (US) recorded in
March172AQI (US)
Lowest AQI (US) recorded in
September73AQI (US)
2020109AQI (US)
Highest AQI (US) recorded in
December150AQI (US)
Lowest AQI (US) recorded in
August78AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Yuntian Vocational And Technical College's annual 2026 AQI (US) (113) shows an average percentage change of 8.7% (worsened AQI (US)) compared to previous years: 2020 (109), 2021 (113), 2022 (104), 2023 (109), 2024 (100), 2025 (93).