Dalian, Dalian, Liaoning, 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
Dalian, Dalian, Liaoning, China
AQI Trends: Highest and Lowest
Same Day Analysis (13th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 158 of Unhealthy air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Feb - 13th Feb 2026
Dalian, Dalian, Liaoning, China
7 AM12th Feb 2026
5 PM
6 AM13th Feb 2026
166AQI
158AQI
166AQI
74AQI
In the last 24 hours,
Dalian's AQI reached its highest point of 166 at 9 AM during the Day, while the lowest point, 74, was recorded at 9 PM during the Night between 12th Feb and 13th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Dalian, Dalian, Liaoning, China
2°C0/3°C
-3°C-6/0°C
-6°C-8/-4°C
-7°C-8/-5°C
-9°C-10/-8°C
-9°C-11/-8°C
-8°C-10/-7°C
-6°C-8/-3°C
-3°C-5/-1°C
-4°C-4/-2°C
-7°C-9/-6°C
-4°C-7/0°C
-5°C-7/-4°C
-4°C-6/-3°C
-6°C-7/-4°C
-5°C-7/-4°C
-3°C-4/-1°C
-1°C-3/1°C
-2°C-5/0°C
2°C0/4°C
4°C3/6°C
-2°C-9/2°C
-11°C-12/-10°C
-8°C-9/-7°C
-4°C-7/-1°C
2°C0/4°C
2°C1/4°C
2°C0/3°C
4°C3/6°C
5°C3/7°C
94AQI
83AQI
97AQI
80AQI
2026 Days Vs Air Quality
Dalian, Dalian, Liaoning, China
16%
7
52%
23
27%
12
5%
2
Total number of days with different AQI categories in last 45 days in 2026 (320 days remaining)
Under WHO’s Safe Air Quality Limits: 16%
Health Risk Level:
Extreme
In 2026, 16% of 45 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
Dalian, Dalian, Liaoning, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
54AQI (US)
57AQI (US)
119AQI (US)
90AQI (US)
58AQI (US)
100AQI (US)
30AQI (US)
58AQI (US)
126AQI (US)
80AQI (US)
34AQI (US)
64AQI (US)
60AQI (US)
53AQI (US)
149AQI (US)
135AQI (US)
57AQI (US)
76AQI (US)
37AQI (US)
48AQI (US)
46AQI (US)
63AQI (US)
81AQI (US)
73AQI (US)
63AQI (US)
81AQI (US)
79AQI (US)
77AQI (US)
61AQI (US)
70AQI (US)
127AQI (US)
112AQI (US)
70AQI (US)
125AQI (US)
160AQI (US)
132AQI (US)
44AQI (US)
61AQI (US)
42AQI (US)
109AQI (US)
127AQI (US)
107AQI (US)
145AQI (US)
158AQI (US)
74AQI (US)
107AQI (US)
No. of days
202684AQI (US)
Highest AQI (US) recorded in
February107AQI (US)
Lowest AQI (US) recorded in
January74AQI (US)
202576AQI (US)
Highest AQI (US) recorded in
March98AQI (US)
Lowest AQI (US) recorded in
August55AQI (US)
202476AQI (US)
Highest AQI (US) recorded in
February109AQI (US)
Lowest AQI (US) recorded in
September57AQI (US)
202384AQI (US)
Highest AQI (US) recorded in
March114AQI (US)
Lowest AQI (US) recorded in
August62AQI (US)
202273AQI (US)
Highest AQI (US) recorded in
November89AQI (US)
Lowest AQI (US) recorded in
June51AQI (US)
202182AQI (US)
Highest AQI (US) recorded in
March134AQI (US)
Lowest AQI (US) recorded in
July53AQI (US)
202076AQI (US)
Highest AQI (US) recorded in
April105AQI (US)
Lowest AQI (US) recorded in
September60AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Dalian's annual 2026 AQI (US) (84) shows an average percentage change of 8.4% (worsened AQI (US)) compared to previous years: 2020 (76), 2021 (82), 2022 (73), 2023 (84), 2024 (76), 2025 (76).