Yancheng, Yancheng, Jiangsu, 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
Yancheng, Yancheng, Jiangsu, China
AQI Trends: Highest and Lowest
Same Day Analysis (17th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 123 of Poor air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Feb - 17th Feb 2026
Yancheng, Yancheng, Jiangsu, China
6 AM16th Feb 2026
5 PM
5 AM17th Feb 2026
82AQI
40AQI
126AQI
33AQI
In the last 24 hours,
Yancheng's AQI reached its highest point of 126 at 10 PM during the Night, while the lowest point, 33, was recorded at 6 PM during the Night between 16th Feb and 17th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Yancheng, Yancheng, Jiangsu, China
1°C-1/3°C
-1°C-5/2°C
-3°C-6/1°C
-3°C-7/3°C
0°C-6/7°C
2°C-3/9°C
5°C1/9°C
3°C2/3°C
3°C-1/7°C
3°C0/8°C
4°C0/9°C
4°C2/6°C
3°C0/7°C
4°C0/9°C
5°C1/10°C
5°C0/11°C
8°C2/15°C
9°C4/16°C
2°C-1/3°C
-1°C-4/3°C
-2°C-6/4°C
1°C-4/7°C
5°C1/9°C
6°C2/13°C
8°C2/15°C
10°C4/17°C
13°C8/21°C
9°C4/14°C
4°C2/6°C
4°C-2/10°C
118AQI
105AQI
111AQI
106AQI
2026 Days Vs Air Quality
Yancheng, Yancheng, Jiangsu, China
2%
1
38%
18
38%
18
23%
11
Total number of days with different AQI categories in last 49 days in 2026 (316 days remaining)
Under WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2026, 2% of 49 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
Yancheng, Yancheng, Jiangsu, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
55AQI (US)
61AQI (US)
98AQI (US)
149AQI (US)
151AQI (US)
146AQI (US)
140AQI (US)
115AQI (US)
130AQI (US)
114AQI (US)
55AQI (US)
87AQI (US)
160AQI (US)
170AQI (US)
175AQI (US)
190AQI (US)
114AQI (US)
60AQI (US)
49AQI (US)
64AQI (US)
74AQI (US)
106AQI (US)
136AQI (US)
159AQI (US)
122AQI (US)
57AQI (US)
100AQI (US)
108AQI (US)
67AQI (US)
66AQI (US)
74AQI (US)
135AQI (US)
144AQI (US)
146AQI (US)
155AQI (US)
169AQI (US)
73AQI (US)
73AQI (US)
76AQI (US)
96AQI (US)
120AQI (US)
147AQI (US)
164AQI (US)
163AQI (US)
152AQI (US)
135AQI (US)
60AQI (US)
123AQI (US)
108AQI (US)
125AQI (US)
No. of days
2026114AQI (US)
Highest AQI (US) recorded in
February125AQI (US)
Lowest AQI (US) recorded in
January108AQI (US)
202585AQI (US)
Highest AQI (US) recorded in
January117AQI (US)
Lowest AQI (US) recorded in
September57AQI (US)
202478AQI (US)
Highest AQI (US) recorded in
January122AQI (US)
Lowest AQI (US) recorded in
September40AQI (US)
202383AQI (US)
Highest AQI (US) recorded in
December117AQI (US)
Lowest AQI (US) recorded in
August52AQI (US)
202284AQI (US)
Highest AQI (US) recorded in
January126AQI (US)
Lowest AQI (US) recorded in
August52AQI (US)
202186AQI (US)
Highest AQI (US) recorded in
December124AQI (US)
Lowest AQI (US) recorded in
July50AQI (US)
202082AQI (US)
Highest AQI (US) recorded in
December122AQI (US)
Lowest AQI (US) recorded in
July60AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Yancheng's annual 2026 AQI (US) (114) shows an average percentage change of 37.6% (worsened AQI (US)) compared to previous years: 2020 (82), 2021 (86), 2022 (84), 2023 (83), 2024 (78), 2025 (85).