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!
February Air Quality Analysis
Nantong, Nantong, Jiangsu, China
AQI Trends: Highest and Lowest
Same Day Analysis (15th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 157 of Unhealthy air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Feb - 15th Feb 2026
Nantong, Nantong, Jiangsu, China
6 AM14th Feb 2026
5 PM
5 AM15th Feb 2026
170AQI
109AQI
178AQI
102AQI
In the last 24 hours,
Nantong's AQI reached its highest point of 178 at 5 AM during the Night, while the lowest point, 102, was recorded at 6 PM during the Night between 14th Feb and 15th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Nantong, Nantong, Jiangsu, China
9°C7/11°C
8°C5/12°C
4°C1/7°C
1°C-1/3°C
-1°C-3/3°C
0°C-4/4°C
3°C-1/8°C
4°C1/9°C
7°C3/11°C
5°C3/7°C
5°C3/7°C
5°C2/8°C
6°C3/10°C
5°C3/6°C
4°C2/7°C
4°C2/7°C
6°C3/11°C
5°C2/9°C
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
101AQI
90AQI
102AQI
93AQI
2026 Days Vs Air Quality
Nantong, Nantong, Jiangsu, China
11%
5
37%
17
33%
15
20%
9
Total number of days with different AQI categories in last 47 days in 2026 (318 days remaining)
Under WHO’s Safe Air Quality Limits: 11%
Health Risk Level:
Extreme
In 2026, 11% of 47 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)
111AQI (US)
98AQI (US)
158AQI (US)
88AQI (US)
59AQI (US)
60AQI (US)
71AQI (US)
91AQI (US)
134AQI (US)
160AQI (US)
152AQI (US)
147AQI (US)
157AQI (US)
101AQI (US)
116AQI (US)
No. of days
2026106AQI (US)
Highest AQI (US) recorded in
February116AQI (US)
Lowest AQI (US) recorded in
January101AQI (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) (106) shows an average percentage change of 21.1% (worsened AQI (US)) compared to previous years: 2020 (86), 2021 (98), 2022 (93), 2023 (90), 2024 (80), 2025 (82).