Sharpening Qiao, Nanjing, 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
Sharpening Qiao, Nanjing, Jiangsu, China
AQI Trends: Highest and Lowest
Same Day Analysis (14th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 116 of Poor air quality, showing improvement over 2025 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Feb - 14th Feb 2026
Sharpening Qiao, Nanjing, Jiangsu, China
7 AM13th Feb 2026
5 PM
6 AM14th Feb 2026
152AQI
108AQI
122AQI
98AQI
In the last 24 hours,
Sharpening Qiao's AQI reached its highest point of 152 at 8 AM during the Day, while the lowest point, 98, was recorded at 11 PM during the Night between 13th Feb and 14th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Sharpening Qiao, Nanjing, Jiangsu, China
14°C9/20°C
9°C6/13°C
8°C5/13°C
3°C-2/6°C
-2°C-4/0°C
-2°C-4/1°C
-1°C-4/4°C
3°C-2/9°C
5°C1/10°C
7°C3/11°C
5°C4/6°C
5°C3/9°C
5°C1/9°C
6°C3/11°C
3°C2/4°C
3°C2/7°C
5°C2/8°C
7°C3/12°C
7°C3/12°C
10°C5/16°C
12°C10/15°C
4°C1/4°C
1°C-1/3°C
1°C-1/6°C
3°C-1/7°C
6°C3/10°C
8°C3/13°C
10°C5/15°C
12°C7/18°C
15°C10/20°C
102AQI
89AQI
101AQI
94AQI
2026 Days Vs Air Quality
Sharpening Qiao, Nanjing, Jiangsu, China
9%
4
40%
18
42%
19
9%
4
Total number of days with different AQI categories in last 46 days in 2026 (319 days remaining)
Under WHO’s Safe Air Quality Limits: 9%
Health Risk Level:
Extreme
In 2026, 9% of 46 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
Sharpening Qiao, Nanjing, Jiangsu, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI (US)
98AQI (US)
90AQI (US)
153AQI (US)
160AQI (US)
142AQI (US)
81AQI (US)
124AQI (US)
120AQI (US)
101AQI (US)
65AQI (US)
73AQI (US)
117AQI (US)
128AQI (US)
125AQI (US)
158AQI (US)
165AQI (US)
117AQI (US)
37AQI (US)
65AQI (US)
84AQI (US)
71AQI (US)
107AQI (US)
143AQI (US)
146AQI (US)
49AQI (US)
68AQI (US)
97AQI (US)
94AQI (US)
61AQI (US)
49AQI (US)
84AQI (US)
110AQI (US)
138AQI (US)
109AQI (US)
140AQI (US)
68AQI (US)
61AQI (US)
82AQI (US)
62AQI (US)
84AQI (US)
110AQI (US)
117AQI (US)
128AQI (US)
116AQI (US)
101AQI (US)
101AQI (US)
No. of days
2026101AQI (US)
Highest AQI (US) recorded in
January101AQI (US)
Lowest AQI (US) recorded in
February101AQI (US)
202583AQI (US)
Highest AQI (US) recorded in
January114AQI (US)
Lowest AQI (US) recorded in
August55AQI (US)
202480AQI (US)
Highest AQI (US) recorded in
January122AQI (US)
Lowest AQI (US) recorded in
July41AQI (US)
202380AQI (US)
Highest AQI (US) recorded in
December110AQI (US)
Lowest AQI (US) recorded in
July42AQI (US)
202282AQI (US)
Highest AQI (US) recorded in
January129AQI (US)
Lowest AQI (US) recorded in
July47AQI (US)
202186AQI (US)
Highest AQI (US) recorded in
January118AQI (US)
Lowest AQI (US) recorded in
July49AQI (US)
202083AQI (US)
Highest AQI (US) recorded in
December129AQI (US)
Lowest AQI (US) recorded in
August62AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Sharpening Qiao's annual 2026 AQI (US) (101) shows an average percentage change of 22.7% (worsened AQI (US)) compared to previous years: 2020 (83), 2021 (86), 2022 (82), 2023 (80), 2024 (80), 2025 (83).