Hemu Primary School, Hangzhou, Zhejiang, 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
Hemu Primary School, Hangzhou, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (9th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 74 of Moderate air quality, showing improvement over 2025, 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 8th Feb - 9th Feb 2026
Hemu Primary School, Hangzhou, Zhejiang, China
6 AM8th Feb 2026
5 PM
5 AM9th Feb 2026
122AQI
59AQI
85AQI
44AQI
In the last 24 hours,
Hemu Primary School's AQI reached its highest point of 122 at 11 AM during the Day, while the lowest point, 44, was recorded at 6 PM during the Night between 8th Feb and 9th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Hemu Primary School, Hangzhou, Zhejiang, China
6°C4/8°C
8°C2/15°C
11°C6/17°C
13°C7/21°C
14°C10/19°C
15°C10/21°C
12°C10/14°C
12°C10/16°C
8°C2/10°C
2°C1/2°C
1°C-1/4°C
2°C-1/5°C
5°C1/10°C
7°C4/11°C
10°C5/14°C
10°C7/11°C
6°C5/8°C
6°C3/9°C
8°C4/12°C
6°C2/7°C
3°C2/5°C
6°C2/9°C
7°C4/12°C
8°C4/12°C
11°C6/17°C
11°C10/14°C
6°C2/8°C
3°C1/4°C
2°C0/6°C
5°C0/10°C
110AQI
99AQI
108AQI
98AQI
2026 Days Vs Air Quality
Hemu Primary School, Hangzhou, Zhejiang, China
43%
17
35%
14
23%
9
Total number of days with different AQI categories in last 41 days in 2026 (324 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2026, 0% 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
Hemu Primary School, Hangzhou, Zhejiang, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
57AQI (US)
122AQI (US)
158AQI (US)
164AQI (US)
161AQI (US)
154AQI (US)
114AQI (US)
109AQI (US)
140AQI (US)
109AQI (US)
83AQI (US)
86AQI (US)
92AQI (US)
123AQI (US)
136AQI (US)
157AQI (US)
164AQI (US)
127AQI (US)
77AQI (US)
55AQI (US)
95AQI (US)
100AQI (US)
128AQI (US)
155AQI (US)
162AQI (US)
115AQI (US)
88AQI (US)
137AQI (US)
78AQI (US)
58AQI (US)
52AQI (US)
87AQI (US)
104AQI (US)
134AQI (US)
104AQI (US)
153AQI (US)
96AQI (US)
61AQI (US)
84AQI (US)
74AQI (US)
115AQI (US)
100AQI (US)
No. of days
2026111AQI (US)
Highest AQI (US) recorded in
January115AQI (US)
Lowest AQI (US) recorded in
February100AQI (US)
202585AQI (US)
Highest AQI (US) recorded in
January124AQI (US)
Lowest AQI (US) recorded in
July51AQI (US)
202481AQI (US)
Highest AQI (US) recorded in
January138AQI (US)
Lowest AQI (US) recorded in
July47AQI (US)
202393AQI (US)
Highest AQI (US) recorded in
January122AQI (US)
Lowest AQI (US) recorded in
July55AQI (US)
202293AQI (US)
Highest AQI (US) recorded in
January131AQI (US)
Lowest AQI (US) recorded in
August60AQI (US)
202187AQI (US)
Highest AQI (US) recorded in
January127AQI (US)
Lowest AQI (US) recorded in
July62AQI (US)
202086AQI (US)
Highest AQI (US) recorded in
December140AQI (US)
Lowest AQI (US) recorded in
June63AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Hemu Primary School's annual 2026 AQI (US) (111) shows an average percentage change of 27.4% (worsened AQI (US)) compared to previous years: 2020 (86), 2021 (87), 2022 (93), 2023 (93), 2024 (81), 2025 (85).