State Stations, Maerkang, Sichuan, 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
State Stations, Maerkang, Sichuan, China
AQI Trends: Highest and Lowest
Same Day Analysis (17th February):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 69 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Feb - 17th Feb 2026
State Stations, Maerkang, Sichuan, China
6 AM16th Feb 2026
4 PM
5 AM17th Feb 2026
70AQI
29AQI
80AQI
31AQI
In the last 24 hours,
State Stations's AQI reached its highest point of 80 at 1 AM during the Night, while the lowest point, 29, was recorded at 12 PM during the Day between 16th Feb and 17th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
State Stations, Maerkang, Sichuan, China
0°C-5/8°C
-2°C-6/7°C
-2°C-8/7°C
-3°C-8/4°C
-2°C-7/7°C
-1°C-7/8°C
0°C-5/8°C
-3°C-8/4°C
-3°C-9/5°C
-1°C-7/8°C
-1°C-6/7°C
-4°C-9/2°C
-5°C-11/3°C
-2°C-7/4°C
-2°C-8/6°C
-1°C-6/7°C
-1°C-6/7°C
-3°C-8/3°C
-5°C-13/2°C
-3°C-8/4°C
-5°C-10/1°C
-4°C-12/4°C
-2°C-9/6°C
-2°C-8/6°C
0°C-6/7°C
-3°C-7/4°C
-2°C-9/6°C
-2°C-7/4°C
-2°C-7/4°C
-1°C-7/7°C
65AQI
58AQI
67AQI
57AQI
2026 Days Vs Air Quality
State Stations, Maerkang, Sichuan, China
33%
16
60%
29
6%
3
Total number of days with different AQI categories in last 49 days in 2026 (316 days remaining)
Under WHO’s Safe Air Quality Limits: 33%
Health Risk Level:
High
In 2026, 33% of 49 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
State Stations, Maerkang, Sichuan, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI (US)
39AQI (US)
24AQI (US)
43AQI (US)
39AQI (US)
34AQI (US)
39AQI (US)
39AQI (US)
47AQI (US)
63AQI (US)
72AQI (US)
114AQI (US)
144AQI (US)
103AQI (US)
67AQI (US)
78AQI (US)
88AQI (US)
100AQI (US)
69AQI (US)
38AQI (US)
50AQI (US)
63AQI (US)
68AQI (US)
81AQI (US)
76AQI (US)
55AQI (US)
66AQI (US)
86AQI (US)
74AQI (US)
42AQI (US)
69AQI (US)
70AQI (US)
66AQI (US)
71AQI (US)
68AQI (US)
78AQI (US)
80AQI (US)
60AQI (US)
45AQI (US)
45AQI (US)
39AQI (US)
51AQI (US)
62AQI (US)
64AQI (US)
72AQI (US)
66AQI (US)
39AQI (US)
69AQI (US)
65AQI (US)
61AQI (US)
No. of days
202663AQI (US)
Highest AQI (US) recorded in
January65AQI (US)
Lowest AQI (US) recorded in
February61AQI (US)
202559AQI (US)
Highest AQI (US) recorded in
January81AQI (US)
Lowest AQI (US) recorded in
November41AQI (US)
202447AQI (US)
Highest AQI (US) recorded in
December80AQI (US)
Lowest AQI (US) recorded in
January5AQI (US)
20233AQI (US)
Highest AQI (US) recorded in
November3AQI (US)
Lowest AQI (US) recorded in
December3AQI (US)
202258AQI (US)
Highest AQI (US) recorded in
January70AQI (US)
Lowest AQI (US) recorded in
April45AQI (US)
202162AQI (US)
Highest AQI (US) recorded in
January90AQI (US)
Lowest AQI (US) recorded in
June47AQI (US)
202058AQI (US)
Highest AQI (US) recorded in
December89AQI (US)
Lowest AQI (US) recorded in
June48AQI (US)
Most & Least Polluted Years Over the Last 7 Years
State Stations's annual 2026 AQI (US) (63) shows an average percentage change of 332.9% (worsened AQI (US)) compared to previous years: 2020 (58), 2021 (62), 2022 (58), 2023 (3), 2024 (47), 2025 (59).