Surabaya Development Zone, Yishui, 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
Surabaya Development Zone, Yishui, Shandong, China
AQI Trends: Highest and Lowest
Same Day Analysis (9th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 126 of Poor air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 8th Feb - 9th Feb 2026
Surabaya Development Zone, Yishui, Shandong, China
7 AM8th Feb 2026
5 PM
6 AM9th Feb 2026
79AQI
33AQI
146AQI
100AQI
In the last 24 hours,
Surabaya Development Zone's AQI reached its highest point of 146 at 6 AM during the Night, while the lowest point, 33, was recorded at 12 PM during the Day between 8th Feb and 9th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Surabaya Development Zone, Yishui, Shandong, China
-4°C-6/0°C
0°C-5/8°C
1°C-1/5°C
3°C0/8°C
7°C3/13°C
4°C-3/11°C
-2°C-5/2°C
-2°C-5/-1°C
-5°C-7/-2°C
-6°C-10/-3°C
-7°C-10/-2°C
-5°C-10/1°C
-2°C-7/4°C
-1°C-5/6°C
0°C-3/5°C
1°C-2/6°C
0°C-4/5°C
1°C-4/6°C
1°C-2/4°C
0°C-2/4°C
1°C-3/5°C
3°C-1/8°C
2°C-1/6°C
2°C-2/6°C
6°C0/12°C
4°C-3/11°C
-5°C-8/-3°C
-4°C-7/1°C
-3°C-8/4°C
1°C-5/6°C
134AQI
114AQI
125AQI
112AQI
2026 Days Vs Air Quality
Surabaya Development Zone, Yishui, Shandong, China
5%
2
28%
11
28%
11
40%
16
Total number of days with different AQI categories in last 41 days in 2026 (324 days remaining)
Under WHO’s Safe Air Quality Limits: 5%
Health Risk Level:
Extreme
In 2026, 5% of 41 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
Surabaya Development Zone, Yishui, Shandong, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
70AQI (US)
70AQI (US)
157AQI (US)
182AQI (US)
168AQI (US)
170AQI (US)
150AQI (US)
94AQI (US)
142AQI (US)
86AQI (US)
49AQI (US)
108AQI (US)
159AQI (US)
144AQI (US)
170AQI (US)
191AQI (US)
81AQI (US)
82AQI (US)
70AQI (US)
46AQI (US)
61AQI (US)
116AQI (US)
151AQI (US)
158AQI (US)
157AQI (US)
123AQI (US)
138AQI (US)
153AQI (US)
161AQI (US)
104AQI (US)
114AQI (US)
149AQI (US)
158AQI (US)
161AQI (US)
167AQI (US)
154AQI (US)
60AQI (US)
66AQI (US)
80AQI (US)
126AQI (US)
123AQI (US)
125AQI (US)
No. of days
2026124AQI (US)
Highest AQI (US) recorded in
February125AQI (US)
Lowest AQI (US) recorded in
January123AQI (US)
202593AQI (US)
Highest AQI (US) recorded in
January133AQI (US)
Lowest AQI (US) recorded in
July59AQI (US)
202495AQI (US)
Highest AQI (US) recorded in
January134AQI (US)
Lowest AQI (US) recorded in
September58AQI (US)
202399AQI (US)
Highest AQI (US) recorded in
January138AQI (US)
Lowest AQI (US) recorded in
July52AQI (US)
2022107AQI (US)
Highest AQI (US) recorded in
January147AQI (US)
Lowest AQI (US) recorded in
July76AQI (US)
2021111AQI (US)
Highest AQI (US) recorded in
March155AQI (US)
Lowest AQI (US) recorded in
September64AQI (US)
2020108AQI (US)
Highest AQI (US) recorded in
December148AQI (US)
Lowest AQI (US) recorded in
August77AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Surabaya Development Zone's annual 2026 AQI (US) (124) shows an average percentage change of 21.4% (worsened AQI (US)) compared to previous years: 2020 (108), 2021 (111), 2022 (107), 2023 (99), 2024 (95), 2025 (93).