Sishi Middle School, Dadukou, Sichuan, 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
Sishi Middle School, Dadukou, Sichuan, 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 127 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
Sishi Middle School, Dadukou, Sichuan, China
6 AM16th Feb 2026
5 PM
5 AM17th Feb 2026
118AQI
33AQI
148AQI
34AQI
In the last 24 hours,
Sishi Middle School's AQI reached its highest point of 148 at 3 AM during the Night, while the lowest point, 33, was recorded at 6 PM during the Day between 16th Feb and 17th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Sishi Middle School, Dadukou, Sichuan, China
11°C3/20°C
9°C3/20°C
10°C3/20°C
9°C2/19°C
9°C2/19°C
10°C2/20°C
10°C2/21°C
10°C3/20°C
10°C2/20°C
10°C3/21°C
12°C3/25°C
12°C4/22°C
11°C3/20°C
11°C3/21°C
11°C4/19°C
11°C3/22°C
12°C3/22°C
13°C3/25°C
11°C3/21°C
11°C3/21°C
10°C2/19°C
11°C2/22°C
12°C3/22°C
11°C3/22°C
12°C3/23°C
12°C3/22°C
12°C3/23°C
13°C3/25°C
13°C4/24°C
13°C4/24°C
116AQI
80AQI
116AQI
77AQI
2026 Days Vs Air Quality
Sishi Middle School, Dadukou, Sichuan, China
2%
1
56%
27
38%
18
4%
2
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
Sishi Middle School, Dadukou, Sichuan, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
98AQI (US)
84AQI (US)
62AQI (US)
50AQI (US)
66AQI (US)
77AQI (US)
71AQI (US)
76AQI (US)
89AQI (US)
90AQI (US)
86AQI (US)
68AQI (US)
100AQI (US)
121AQI (US)
111AQI (US)
100AQI (US)
116AQI (US)
153AQI (US)
145AQI (US)
118AQI (US)
113AQI (US)
121AQI (US)
155AQI (US)
149AQI (US)
145AQI (US)
133AQI (US)
131AQI (US)
138AQI (US)
118AQI (US)
68AQI (US)
88AQI (US)
109AQI (US)
116AQI (US)
148AQI (US)
144AQI (US)
84AQI (US)
69AQI (US)
79AQI (US)
70AQI (US)
57AQI (US)
60AQI (US)
58AQI (US)
71AQI (US)
67AQI (US)
66AQI (US)
77AQI (US)
78AQI (US)
127AQI (US)
105AQI (US)
87AQI (US)
No. of days
202698AQI (US)
Highest AQI (US) recorded in
January105AQI (US)
Lowest AQI (US) recorded in
February87AQI (US)
202575AQI (US)
Highest AQI (US) recorded in
January113AQI (US)
Lowest AQI (US) recorded in
August54AQI (US)
202475AQI (US)
Highest AQI (US) recorded in
January112AQI (US)
Lowest AQI (US) recorded in
July58AQI (US)
202381AQI (US)
Highest AQI (US) recorded in
January120AQI (US)
Lowest AQI (US) recorded in
July52AQI (US)
202283AQI (US)
Highest AQI (US) recorded in
December111AQI (US)
Lowest AQI (US) recorded in
August22AQI (US)
202185AQI (US)
Highest AQI (US) recorded in
January130AQI (US)
Lowest AQI (US) recorded in
May61AQI (US)
202082AQI (US)
Highest AQI (US) recorded in
December128AQI (US)
Lowest AQI (US) recorded in
June52AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Sishi Middle School's annual 2026 AQI (US) (98) shows an average percentage change of 22.6% (worsened AQI (US)) compared to previous years: 2020 (82), 2021 (85), 2022 (83), 2023 (81), 2024 (75), 2025 (75).