Nantong, Nantong, Jiangsu, 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
Nantong, Nantong, Jiangsu, China
AQI Trends: Highest and Lowest
Same Day Analysis (5th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 64 of Moderate air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Mar - 5th Mar 2026
Nantong, Nantong, Jiangsu, China
6 AM4th Mar 2026
5 PM
5 AM5th Mar 2026
36AQI
8AQI
50AQI
21AQI
In the last 24 hours,
Nantong's AQI reached its highest point of 50 at 2 AM during the Night, while the lowest point, 8, was recorded at 8 AM during the Day between 4th Mar and 5th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Nantong, Nantong, Jiangsu, China
9°C5/14°C
9°C8/12°C
4°C2/5°C
1°C-1/3°C
0°C-2/4°C
3°C-1/6°C
6°C4/9°C
7°C3/12°C
8°C4/13°C
10°C6/14°C
14°C11/18°C
12°C7/18°C
5°C4/7°C
5°C1/9°C
7°C3/12°C
8°C5/12°C
11°C7/17°C
13°C8/20°C
12°C6/17°C
8°C5/12°C
7°C7/7°C
8°C6/12°C
9°C7/11°C
9°C7/10°C
9°C5/13°C
11°C9/12°C
8°C6/8°C
7°C5/10°C
7°C4/11°C
8°C6/11°C
90AQI
83AQI
94AQI
81AQI
2026 Days Vs Air Quality
Nantong, Nantong, Jiangsu, China
17%
11
41%
26
27%
17
16%
10
Total number of days with different AQI categories in last 65 days in 2026 (300 days remaining)
Under WHO’s Safe Air Quality Limits: 17%
Health Risk Level:
Extreme
In 2026, 17% of 65 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
Nantong, Nantong, Jiangsu, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
37AQI (US)
57AQI (US)
96AQI (US)
147AQI (US)
166AQI (US)
134AQI (US)
127AQI (US)
149AQI (US)
137AQI (US)
119AQI (US)
61AQI (US)
78AQI (US)
148AQI (US)
154AQI (US)
165AQI (US)
191AQI (US)
149AQI (US)
62AQI (US)
36AQI (US)
46AQI (US)
70AQI (US)
87AQI (US)
140AQI (US)
151AQI (US)
115AQI (US)
38AQI (US)
75AQI (US)
71AQI (US)
57AQI (US)
57AQI (US)
26AQI (US)
106AQI (US)
147AQI (US)
112AQI (US)
98AQI (US)
158AQI (US)
86AQI (US)
59AQI (US)
62AQI (US)
71AQI (US)
91AQI (US)
134AQI (US)
160AQI (US)
152AQI (US)
148AQI (US)
157AQI (US)
56AQI (US)
93AQI (US)
152AQI (US)
146AQI (US)
101AQI (US)
91AQI (US)
94AQI (US)
56AQI (US)
37AQI (US)
61AQI (US)
44AQI (US)
34AQI (US)
68AQI (US)
29AQI (US)
14AQI (US)
69AQI (US)
27AQI (US)
64AQI (US)
101AQI (US)
99AQI (US)
41AQI (US)
No. of days
202696AQI (US)
Highest AQI (US) recorded in
January101AQI (US)
Lowest AQI (US) recorded in
March41AQI (US)
202582AQI (US)
Highest AQI (US) recorded in
January114AQI (US)
Lowest AQI (US) recorded in
July55AQI (US)
202480AQI (US)
Highest AQI (US) recorded in
January130AQI (US)
Lowest AQI (US) recorded in
September46AQI (US)
202390AQI (US)
Highest AQI (US) recorded in
December129AQI (US)
Lowest AQI (US) recorded in
August59AQI (US)
202293AQI (US)
Highest AQI (US) recorded in
January121AQI (US)
Lowest AQI (US) recorded in
October72AQI (US)
202198AQI (US)
Highest AQI (US) recorded in
January124AQI (US)
Lowest AQI (US) recorded in
September70AQI (US)
202086AQI (US)
Highest AQI (US) recorded in
December119AQI (US)
Lowest AQI (US) recorded in
July67AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Nantong's annual 2026 AQI (US) (96) shows an average percentage change of 9.1% (worsened AQI (US)) compared to previous years: 2020 (86), 2021 (98), 2022 (93), 2023 (90), 2024 (80), 2025 (82).