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!
October Air Quality Analysis
State Stations, Maerkang, Sichuan, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 3rd highest AQI at 53 of Moderate air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2025
State Stations, Maerkang, Sichuan, China
4 AM2nd Oct 2025
5 PM
3 AM3rd Oct 2025
65AQI
33AQI
63AQI
27AQI
In the last 24 hours,
State Stations's AQI reached its highest point of 65 at 5 AM during the Day, while the lowest point, 27, was recorded at 2 AM during the Night between 2nd Oct and 3rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
State Stations, Maerkang, Sichuan, China
11°C6/19°C
11°C7/19°C
9°C7/13°C
9°C5/16°C
9°C6/13°C
10°C3/19°C
10°C5/18°C
9°C7/14°C
7°C5/12°C
9°C4/16°C
9°C1/17°C
9°C1/19°C
8°C3/15°C
8°C5/12°C
8°C6/12°C
8°C4/15°C
8°C1/18°C
9°C3/18°C
9°C6/15°C
8°C3/13°C
6°C0/14°C
7°C-1/16°C
7°C0/17°C
8°C-1/17°C
9°C3/18°C
6°C3/10°C
7°C2/13°C
8°C3/16°C
8°C2/15°C
9°C4/17°C
--°C/°C
51AQI
45AQI
54AQI
46AQI
2025 Days Vs Air Quality
State Stations, Maerkang, Sichuan, China
24%
65
76%
209
0.3%
1
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 24%
Health Risk Level:
Very high
In 2025, 24% of 276 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
State Stations, Maerkang, Sichuan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
69AQI
63AQI
83AQI
86AQI
87AQI
89AQI
83AQI
81AQI
83AQI
82AQI
79AQI
80AQI
73AQI
74AQI
87AQI
89AQI
84AQI
76AQI
80AQI
77AQI
94AQI
88AQI
108AQI
81AQI
78AQI
70AQI
70AQI
83AQI
78AQI
76AQI
73AQI
71AQI
68AQI
69AQI
82AQI
72AQI
65AQI
71AQI
75AQI
68AQI
65AQI
72AQI
67AQI
68AQI
53AQI
58AQI
52AQI
50AQI
50AQI
53AQI
60AQI
55AQI
49AQI
48AQI
47AQI
45AQI
38AQI
44AQI
45AQI
50AQI
45AQI
50AQI
49AQI
43AQI
52AQI
53AQI
55AQI
54AQI
54AQI
64AQI
66AQI
57AQI
66AQI
71AQI
66AQI
72AQI
63AQI
72AQI
78AQI
72AQI
69AQI
70AQI
62AQI
65AQI
61AQI
70AQI
72AQI
88AQI
84AQI
75AQI
78AQI
82AQI
82AQI
81AQI
70AQI
73AQI
69AQI
68AQI
70AQI
67AQI
68AQI
84AQI
75AQI
74AQI
70AQI
68AQI
71AQI
65AQI
69AQI
65AQI
74AQI
76AQI
74AQI
68AQI
72AQI
64AQI
73AQI
66AQI
64AQI
63AQI
61AQI
61AQI
64AQI
63AQI
56AQI
62AQI
59AQI
63AQI
70AQI
65AQI
67AQI
68AQI
65AQI
60AQI
64AQI
66AQI
65AQI
66AQI
74AQI
69AQI
76AQI
74AQI
64AQI
64AQI
62AQI
63AQI
56AQI
59AQI
60AQI
59AQI
48AQI
47AQI
49AQI
50AQI
58AQI
55AQI
58AQI
56AQI
55AQI
56AQI
57AQI
59AQI
67AQI
69AQI
67AQI
67AQI
61AQI
62AQI
59AQI
55AQI
56AQI
57AQI
54AQI
51AQI
48AQI
52AQI
53AQI
56AQI
53AQI
52AQI
51AQI
50AQI
50AQI
50AQI
44AQI
46AQI
46AQI
46AQI
48AQI
49AQI
51AQI
51AQI
54AQI
56AQI
56AQI
57AQI
58AQI
59AQI
56AQI
52AQI
52AQI
49AQI
49AQI
50AQI
45AQI
48AQI
44AQI
44AQI
46AQI
54AQI
53AQI
54AQI
55AQI
54AQI
55AQI
51AQI
51AQI
54AQI
55AQI
52AQI
50AQI
48AQI
46AQI
49AQI
52AQI
53AQI
54AQI
50AQI
52AQI
51AQI
53AQI
54AQI
48AQI
44AQI
43AQI
42AQI
46AQI
49AQI
46AQI
45AQI
45AQI
45AQI
49AQI
51AQI
50AQI
53AQI
62AQI
55AQI
52AQI
54AQI
53AQI
54AQI
56AQI
52AQI
51AQI
53AQI
55AQI
55AQI
48AQI
48AQI
45AQI
49AQI
46AQI
46AQI
43AQI
41AQI
46AQI
54AQI
76AQI
63AQI
27AQI
43AQI
37AQI
53AQI
53AQI
81AQI
59AQI
63AQI
71AQI
64AQI
56AQI
51AQI
50AQI
51AQI
53AQI
No. of days
202561AQI
Highest AQI recorded in
January81AQI
Lowest AQI recorded in
August50AQI
202447AQI
Highest AQI recorded in
December80AQI
Lowest AQI recorded in
January5AQI
20234AQI
Highest AQI recorded in
November5AQI
Lowest AQI recorded in
December4AQI
202258AQI
Highest AQI recorded in
January70AQI
Lowest AQI recorded in
April45AQI
202162AQI
Highest AQI recorded in
January90AQI
Lowest AQI recorded in
June47AQI
202058AQI
Highest AQI recorded in
December89AQI
Lowest AQI recorded in
June47AQI
Most & Least Polluted Years Over the Last 6 Years
State Stations's annual 2025 AQI (61) shows an average percentage change of 269.2% (worsened AQI) compared to previous years: 2020 (58), 2021 (62), 2022 (58), 2023 (4), 2024 (47).