City Monitoring Station, Changzhou, 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
City Monitoring Station, Changzhou, Jiangsu, China
AQI Trends: Highest and Lowest
Same Day Analysis (17th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 79 of Moderate air quality, showing improvement over 2025 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Feb - 17th Feb 2026
City Monitoring Station, Changzhou, Jiangsu, China
6 AM16th Feb 2026
5 PM
5 AM17th Feb 2026
80AQI
32AQI
79AQI
40AQI
In the last 24 hours,
City Monitoring Station's AQI reached its highest point of 80 at 8 AM during the Day, while the lowest point, 32, was recorded at 1 PM during the Day between 16th Feb and 17th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
City Monitoring Station, Changzhou, Jiangsu, China
4°C0/7°C
0°C-2/3°C
-1°C-3/3°C
-1°C-4/4°C
4°C-1/9°C
5°C1/10°C
8°C4/14°C
6°C3/7°C
5°C3/9°C
5°C1/9°C
7°C3/12°C
4°C3/5°C
4°C2/7°C
5°C2/8°C
7°C3/11°C
6°C3/11°C
10°C5/15°C
11°C10/14°C
4°C1/5°C
1°C-1/4°C
1°C-1/4°C
3°C0/7°C
6°C4/10°C
8°C4/13°C
9°C5/14°C
11°C6/17°C
15°C11/20°C
14°C8/21°C
5°C3/7°C
5°C1/9°C
101AQI
96AQI
107AQI
94AQI
2026 Days Vs Air Quality
City Monitoring Station, Changzhou, Jiangsu, China
8%
4
31%
15
42%
20
19%
9
Total number of days with different AQI categories in last 49 days in 2026 (316 days remaining)
Under WHO’s Safe Air Quality Limits: 8%
Health Risk Level:
Extreme
In 2026, 8% 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
City Monitoring Station, Changzhou, Jiangsu, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
45AQI (US)
89AQI (US)
106AQI (US)
161AQI (US)
164AQI (US)
161AQI (US)
117AQI (US)
141AQI (US)
139AQI (US)
101AQI (US)
69AQI (US)
96AQI (US)
120AQI (US)
151AQI (US)
159AQI (US)
178AQI (US)
173AQI (US)
101AQI (US)
49AQI (US)
67AQI (US)
95AQI (US)
84AQI (US)
132AQI (US)
158AQI (US)
132AQI (US)
53AQI (US)
85AQI (US)
106AQI (US)
80AQI (US)
61AQI (US)
44AQI (US)
116AQI (US)
130AQI (US)
141AQI (US)
115AQI (US)
157AQI (US)
82AQI (US)
44AQI (US)
71AQI (US)
74AQI (US)
107AQI (US)
147AQI (US)
133AQI (US)
138AQI (US)
129AQI (US)
149AQI (US)
64AQI (US)
79AQI (US)
110AQI (US)
110AQI (US)
No. of days
2026110AQI (US)
Highest AQI (US) recorded in
February110AQI (US)
Lowest AQI (US) recorded in
January110AQI (US)
202590AQI (US)
Highest AQI (US) recorded in
January127AQI (US)
Lowest AQI (US) recorded in
August56AQI (US)
202482AQI (US)
Highest AQI (US) recorded in
January152AQI (US)
Lowest AQI (US) recorded in
July50AQI (US)
2023121AQI (US)
Highest AQI (US) recorded in
March152AQI (US)
Lowest AQI (US) recorded in
February103AQI (US)
202299AQI (US)
Highest AQI (US) recorded in
January129AQI (US)
Lowest AQI (US) recorded in
June64AQI (US)
202196AQI (US)
Highest AQI (US) recorded in
January133AQI (US)
Lowest AQI (US) recorded in
July59AQI (US)
202090AQI (US)
Highest AQI (US) recorded in
December135AQI (US)
Lowest AQI (US) recorded in
August69AQI (US)
Most & Least Polluted Years Over the Last 7 Years
City Monitoring Station's annual 2026 AQI (US) (110) shows an average percentage change of 15.9% (worsened AQI (US)) compared to previous years: 2020 (90), 2021 (96), 2022 (99), 2023 (121), 2024 (82), 2025 (90).