Putuo East Port, Zhoushan, Zhejiang, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Putuo East Port, Zhoushan, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (4th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 19 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Mar - 4th Mar 2026
Putuo East Port, Zhoushan, Zhejiang, China
6 AM3rd Mar 2026
5 PM
5 AM4th Mar 2026
65AQI
31AQI
74AQI
14AQI
In the last 24 hours,
Putuo East Port's AQI reached its highest point of 74 at 7 PM during the Night, while the lowest point, 14, was recorded at 2 AM during the Night between 3rd Mar and 4th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Putuo East Port, Zhoushan, Zhejiang, China
8°C6/9°C
11°C10/12°C
12°C10/12°C
8°C5/10°C
5°C3/5°C
3°C2/3°C
6°C2/8°C
9°C8/10°C
9°C8/10°C
9°C8/11°C
11°C10/12°C
12°C10/13°C
12°C11/14°C
8°C6/8°C
7°C6/7°C
8°C6/9°C
9°C7/10°C
11°C9/13°C
12°C11/13°C
12°C10/14°C
11°C9/11°C
11°C9/13°C
10°C9/10°C
11°C10/12°C
10°C10/11°C
11°C9/12°C
12°C12/13°C
11°C9/12°C
8°C8/9°C
10°C9/11°C
69AQI
54AQI
73AQI
56AQI
2026 Days Vs Air Quality
Putuo East Port, Zhoushan, Zhejiang, China
30%
19
46%
29
21%
13
3%
2
Total number of days with different AQI categories in last 64 days in 2026 (301 days remaining)
Under WHO’s Safe Air Quality Limits: 30%
Health Risk Level:
High
In 2026, 30% of 64 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Putuo East Port, Zhoushan, Zhejiang, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI (US)
57AQI (US)
70AQI (US)
69AQI (US)
118AQI (US)
155AQI (US)
112AQI (US)
125AQI (US)
132AQI (US)
107AQI (US)
67AQI (US)
60AQI (US)
99AQI (US)
97AQI (US)
84AQI (US)
150AQI (US)
93AQI (US)
77AQI (US)
59AQI (US)
26AQI (US)
54AQI (US)
61AQI (US)
91AQI (US)
142AQI (US)
91AQI (US)
54AQI (US)
65AQI (US)
50AQI (US)
46AQI (US)
42AQI (US)
14AQI (US)
70AQI (US)
140AQI (US)
104AQI (US)
55AQI (US)
82AQI (US)
82AQI (US)
36AQI (US)
89AQI (US)
39AQI (US)
46AQI (US)
109AQI (US)
151AQI (US)
94AQI (US)
53AQI (US)
79AQI (US)
40AQI (US)
45AQI (US)
106AQI (US)
131AQI (US)
101AQI (US)
62AQI (US)
60AQI (US)
57AQI (US)
36AQI (US)
39AQI (US)
36AQI (US)
22AQI (US)
54AQI (US)
28AQI (US)
32AQI (US)
45AQI (US)
19AQI (US)
80AQI (US)
72AQI (US)
31AQI (US)
No. of days
202674AQI (US)
Highest AQI (US) recorded in
January80AQI (US)
Lowest AQI (US) recorded in
March31AQI (US)
202560AQI (US)
Highest AQI (US) recorded in
January92AQI (US)
Lowest AQI (US) recorded in
July43AQI (US)
202459AQI (US)
Highest AQI (US) recorded in
January102AQI (US)
Lowest AQI (US) recorded in
October31AQI (US)
202361AQI (US)
Highest AQI (US) recorded in
December84AQI (US)
Lowest AQI (US) recorded in
September43AQI (US)
202254AQI (US)
Highest AQI (US) recorded in
December70AQI (US)
Lowest AQI (US) recorded in
October39AQI (US)
202155AQI (US)
Highest AQI (US) recorded in
January78AQI (US)
Lowest AQI (US) recorded in
July40AQI (US)
202052AQI (US)
Highest AQI (US) recorded in
April71AQI (US)
Lowest AQI (US) recorded in
October43AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Putuo East Port's annual 2026 AQI (US) (74) shows an average percentage change of 29.2% (worsened AQI (US)) compared to previous years: 2020 (52), 2021 (55), 2022 (54), 2023 (61), 2024 (59), 2025 (60).