Meishan, Meishan, 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
Meishan, Meishan, Sichuan, China
AQI Trends: Highest and Lowest
Same Day Analysis (22nd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 34 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 22nd Oct - 23rd Oct 2025
Meishan, Meishan, Sichuan, China
7 AM22nd Oct 2025
6 PM
6 AM23rd Oct 2025
AQI
AQI
50AQI
32AQI
In the last 24 hours,
Meishan's AQI reached its highest point of 50 at 1 AM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 22nd Oct and 23rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Meishan, Meishan, Sichuan, China
20°C18/23°C
22°C18/27°C
23°C19/27°C
22°C20/24°C
22°C20/25°C
22°C21/24°C
21°C20/23°C
21°C20/22°C
21°C20/22°C
22°C20/25°C
22°C20/25°C
22°C21/24°C
21°C20/22°C
20°C19/21°C
21°C19/23°C
23°C20/28°C
25°C23/28°C
25°C23/28°C
21°C19/23°C
18°C17/19°C
17°C16/19°C
20°C18/23°C
22°C19/26°C
22°C20/26°C
20°C18/20°C
20°C18/23°C
18°C17/19°C
15°C14/15°C
14°C14/16°C
--°C/°C
--°C/°C
65AQI
52AQI
73AQI
56AQI
2025 Days Vs Air Quality
Meishan, Meishan, Sichuan, China
14%
40
55%
161
26%
77
6%
17
Total number of days with different AQI categories in last 295 days in 2025 (70 days remaining)
Under WHO’s Safe Air Quality Limits: 14%
Health Risk Level:
Extreme
In 2025, 14% of 295 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
Meishan, Meishan, Sichuan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
165AQI
170AQI
174AQI
189AQI
169AQI
174AQI
151AQI
133AQI
135AQI
137AQI
109AQI
148AQI
143AQI
138AQI
150AQI
149AQI
164AQI
126AQI
152AQI
149AQI
176AQI
196AQI
194AQI
155AQI
123AQI
111AQI
139AQI
129AQI
188AQI
164AQI
134AQI
108AQI
110AQI
95AQI
113AQI
89AQI
90AQI
79AQI
71AQI
89AQI
104AQI
131AQI
85AQI
104AQI
105AQI
99AQI
123AQI
121AQI
139AQI
115AQI
123AQI
115AQI
76AQI
98AQI
78AQI
74AQI
89AQI
129AQI
129AQI
154AQI
144AQI
108AQI
97AQI
79AQI
66AQI
82AQI
86AQI
115AQI
125AQI
130AQI
131AQI
125AQI
123AQI
78AQI
79AQI
77AQI
86AQI
85AQI
94AQI
104AQI
137AQI
108AQI
108AQI
109AQI
130AQI
148AQI
102AQI
93AQI
78AQI
91AQI
111AQI
91AQI
106AQI
115AQI
75AQI
95AQI
94AQI
102AQI
101AQI
115AQI
105AQI
173AQI
126AQI
136AQI
136AQI
133AQI
107AQI
119AQI
92AQI
102AQI
102AQI
96AQI
105AQI
75AQI
86AQI
78AQI
81AQI
96AQI
65AQI
70AQI
75AQI
86AQI
90AQI
103AQI
65AQI
77AQI
75AQI
71AQI
125AQI
102AQI
115AQI
110AQI
95AQI
123AQI
94AQI
97AQI
126AQI
136AQI
113AQI
117AQI
107AQI
104AQI
91AQI
83AQI
82AQI
90AQI
69AQI
64AQI
70AQI
78AQI
63AQI
63AQI
50AQI
69AQI
72AQI
87AQI
94AQI
101AQI
85AQI
86AQI
84AQI
82AQI
77AQI
81AQI
86AQI
67AQI
68AQI
73AQI
53AQI
54AQI
64AQI
54AQI
39AQI
52AQI
42AQI
43AQI
48AQI
59AQI
61AQI
45AQI
46AQI
46AQI
47AQI
47AQI
55AQI
38AQI
51AQI
46AQI
55AQI
54AQI
51AQI
47AQI
55AQI
58AQI
57AQI
66AQI
72AQI
72AQI
72AQI
56AQI
56AQI
52AQI
54AQI
42AQI
39AQI
40AQI
35AQI
44AQI
51AQI
59AQI
62AQI
61AQI
61AQI
61AQI
63AQI
68AQI
71AQI
64AQI
57AQI
65AQI
46AQI
41AQI
46AQI
54AQI
57AQI
59AQI
61AQI
58AQI
57AQI
51AQI
55AQI
59AQI
56AQI
52AQI
50AQI
47AQI
49AQI
54AQI
57AQI
48AQI
42AQI
47AQI
50AQI
57AQI
64AQI
63AQI
93AQI
68AQI
63AQI
68AQI
63AQI
63AQI
68AQI
56AQI
45AQI
52AQI
57AQI
61AQI
46AQI
54AQI
40AQI
37AQI
50AQI
52AQI
40AQI
38AQI
47AQI
64AQI
82AQI
58AQI
66AQI
32AQI
57AQI
74AQI
60AQI
69AQI
81AQI
59AQI
51AQI
73AQI
92AQI
78AQI
88AQI
66AQI
39AQI
45AQI
59AQI
81AQI
105AQI
89AQI
60AQI
59AQI
55AQI
55AQI
34AQI
153AQI
103AQI
106AQI
103AQI
93AQI
66AQI
53AQI
55AQI
57AQI
67AQI
No. of days
202586AQI
Highest AQI recorded in
January153AQI
Lowest AQI recorded in
July53AQI
202493AQI
Highest AQI recorded in
January144AQI
Lowest AQI recorded in
July61AQI
202393AQI
Highest AQI recorded in
January154AQI
Lowest AQI recorded in
July51AQI
202296AQI
Highest AQI recorded in
January149AQI
Lowest AQI recorded in
August42AQI
202191AQI
Highest AQI recorded in
December145AQI
Lowest AQI recorded in
September55AQI
202085AQI
Highest AQI recorded in
December123AQI
Lowest AQI recorded in
July61AQI
Most & Least Polluted Years Over the Last 6 Years
Meishan's annual 2025 AQI (86) shows an average percentage change of -6.2% (improved AQI) compared to previous years: 2020 (85), 2021 (91), 2022 (96), 2023 (93), 2024 (93).