Xijiao Chemical Station, Yantai, 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
Xijiao Chemical Station, Yantai, Shandong, China
AQI Trends: Highest and Lowest
Same Day Analysis (17th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 91 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Feb - 17th Feb 2026
Xijiao Chemical Station, Yantai, Shandong, China
6 AM16th Feb 2026
5 PM
5 AM17th Feb 2026
50AQI
10AQI
106AQI
14AQI
In the last 24 hours,
Xijiao Chemical Station's AQI reached its highest point of 106 at 1 AM during the Night, while the lowest point, 10, was recorded at 4 PM during the Day between 16th Feb and 17th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Xijiao Chemical Station, Yantai, Shandong, China
-5°C-6/-4°C
-5°C-6/-4°C
-5°C-6/-4°C
-4°C-7/-1°C
-3°C-6/1°C
-3°C-6/1°C
-4°C-6/-3°C
-3°C-6/1°C
-3°C-4/-2°C
-3°C-6/0°C
-2°C-3/-1°C
-3°C-4/-2°C
-2°C-4/2°C
0°C-3/4°C
-1°C-1/0°C
2°C-1/6°C
5°C1/9°C
1°C-4/4°C
-7°C-8/-7°C
-5°C-6/-2°C
-3°C-4/-1°C
1°C-3/6°C
3°C1/6°C
3°C1/4°C
6°C2/10°C
7°C4/11°C
7°C4/13°C
2°C1/3°C
0°C0/1°C
2°C-1/6°C
101AQI
72AQI
101AQI
73AQI
2026 Days Vs Air Quality
Xijiao Chemical Station, Yantai, Shandong, China
25%
12
40%
19
27%
13
8%
4
Total number of days with different AQI categories in last 49 days in 2026 (316 days remaining)
Under WHO’s Safe Air Quality Limits: 25%
Health Risk Level:
Very high
In 2026, 25% of 49 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Xijiao Chemical Station, Yantai, Shandong, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
39AQI (US)
53AQI (US)
115AQI (US)
181AQI (US)
44AQI (US)
109AQI (US)
58AQI (US)
57AQI (US)
109AQI (US)
66AQI (US)
37AQI (US)
60AQI (US)
77AQI (US)
61AQI (US)
159AQI (US)
137AQI (US)
41AQI (US)
36AQI (US)
37AQI (US)
46AQI (US)
53AQI (US)
85AQI (US)
118AQI (US)
108AQI (US)
65AQI (US)
75AQI (US)
84AQI (US)
70AQI (US)
40AQI (US)
34AQI (US)
84AQI (US)
124AQI (US)
116AQI (US)
125AQI (US)
160AQI (US)
130AQI (US)
45AQI (US)
37AQI (US)
51AQI (US)
93AQI (US)
101AQI (US)
93AQI (US)
141AQI (US)
162AQI (US)
149AQI (US)
78AQI (US)
36AQI (US)
91AQI (US)
75AQI (US)
102AQI (US)
No. of days
202685AQI (US)
Highest AQI (US) recorded in
February102AQI (US)
Lowest AQI (US) recorded in
January75AQI (US)
202573AQI (US)
Highest AQI (US) recorded in
November94AQI (US)
Lowest AQI (US) recorded in
July54AQI (US)
202477AQI (US)
Highest AQI (US) recorded in
March103AQI (US)
Lowest AQI (US) recorded in
September54AQI (US)
202382AQI (US)
Highest AQI (US) recorded in
March109AQI (US)
Lowest AQI (US) recorded in
July60AQI (US)
202275AQI (US)
Highest AQI (US) recorded in
August117AQI (US)
Lowest AQI (US) recorded in
June53AQI (US)
202179AQI (US)
Highest AQI (US) recorded in
March129AQI (US)
Lowest AQI (US) recorded in
July44AQI (US)
202084AQI (US)
Highest AQI (US) recorded in
December118AQI (US)
Lowest AQI (US) recorded in
August63AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Xijiao Chemical Station's annual 2026 AQI (US) (85) shows an average percentage change of 8.5% (worsened AQI (US)) compared to previous years: 2020 (84), 2021 (79), 2022 (75), 2023 (82), 2024 (77), 2025 (73).