City Environmental Monitoring Station, Dazhou, 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
City Environmental Monitoring Station, Dazhou, Sichuan, China
AQI Trends: Highest and Lowest
Same Day Analysis (11th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 110 of Poor air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Oct - 12th Oct 2025
City Environmental Monitoring Station, Dazhou, Sichuan, China
6 AM11th Oct 2025
6 PM
5 AM12th Oct 2025
AQI
AQI
118AQI
36AQI
In the last 24 hours,
City Environmental Monitoring Station's AQI reached its highest point of 118 at 11 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 11th Oct and 12th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
City Environmental Monitoring Station, Dazhou, Sichuan, China
23°C21/26°C
26°C21/31°C
26°C22/32°C
27°C23/32°C
26°C22/32°C
23°C22/24°C
24°C21/27°C
20°C18/22°C
20°C19/21°C
20°C19/22°C
18°C17/19°C
18°C16/20°C
20°C14/26°C
22°C17/27°C
20°C19/21°C
24°C19/28°C
23°C21/27°C
20°C19/21°C
21°C18/25°C
22°C20/26°C
21°C20/22°C
21°C19/22°C
21°C20/22°C
24°C21/27°C
26°C21/31°C
26°C22/31°C
26°C22/31°C
27°C23/32°C
28°C24/32°C
--°C/°C
--°C/°C
43AQI
30AQI
51AQI
37AQI
2025 Days Vs Air Quality
City Environmental Monitoring Station, Dazhou, Sichuan, China
28%
80
49%
140
15%
43
6%
17
1%
3
0.3%
1
Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)
Under WHO’s Safe Air Quality Limits: 28%
Health Risk Level:
Very high
In 2025, 28% of 284 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
City Environmental Monitoring Station, Dazhou, Sichuan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
180AQI
184AQI
183AQI
149AQI
134AQI
153AQI
157AQI
138AQI
135AQI
134AQI
138AQI
138AQI
156AQI
162AQI
152AQI
145AQI
154AQI
165AQI
166AQI
169AQI
175AQI
201AQI
225AQI
138AQI
92AQI
93AQI
109AQI
117AQI
154AQI
152AQI
172AQI
112AQI
103AQI
86AQI
87AQI
80AQI
76AQI
77AQI
70AQI
82AQI
99AQI
130AQI
83AQI
102AQI
84AQI
97AQI
99AQI
105AQI
100AQI
117AQI
79AQI
94AQI
65AQI
71AQI
85AQI
102AQI
130AQI
118AQI
137AQI
143AQI
138AQI
67AQI
60AQI
47AQI
58AQI
64AQI
82AQI
90AQI
86AQI
92AQI
94AQI
71AQI
71AQI
47AQI
50AQI
69AQI
73AQI
92AQI
88AQI
99AQI
127AQI
126AQI
119AQI
104AQI
105AQI
140AQI
74AQI
83AQI
67AQI
65AQI
71AQI
86AQI
89AQI
96AQI
109AQI
103AQI
97AQI
95AQI
97AQI
79AQI
72AQI
326AQI
235AQI
160AQI
140AQI
130AQI
129AQI
114AQI
97AQI
69AQI
71AQI
78AQI
91AQI
76AQI
89AQI
87AQI
82AQI
77AQI
80AQI
66AQI
78AQI
84AQI
87AQI
76AQI
73AQI
84AQI
74AQI
68AQI
95AQI
92AQI
85AQI
89AQI
78AQI
82AQI
114AQI
116AQI
136AQI
106AQI
131AQI
114AQI
113AQI
68AQI
90AQI
94AQI
83AQI
78AQI
70AQI
57AQI
59AQI
58AQI
52AQI
39AQI
48AQI
58AQI
77AQI
64AQI
76AQI
49AQI
42AQI
54AQI
66AQI
66AQI
64AQI
68AQI
66AQI
60AQI
66AQI
66AQI
64AQI
58AQI
59AQI
50AQI
41AQI
38AQI
40AQI
37AQI
39AQI
45AQI
47AQI
46AQI
46AQI
45AQI
42AQI
39AQI
39AQI
41AQI
48AQI
43AQI
44AQI
45AQI
45AQI
46AQI
54AQI
58AQI
60AQI
62AQI
61AQI
61AQI
54AQI
52AQI
46AQI
42AQI
38AQI
34AQI
31AQI
31AQI
33AQI
38AQI
37AQI
43AQI
42AQI
49AQI
59AQI
57AQI
62AQI
63AQI
63AQI
60AQI
56AQI
44AQI
42AQI
42AQI
41AQI
50AQI
46AQI
50AQI
50AQI
42AQI
44AQI
48AQI
53AQI
51AQI
51AQI
45AQI
47AQI
44AQI
48AQI
48AQI
49AQI
52AQI
53AQI
57AQI
57AQI
56AQI
57AQI
63AQI
52AQI
69AQI
57AQI
62AQI
55AQI
54AQI
56AQI
49AQI
43AQI
44AQI
52AQI
50AQI
48AQI
42AQI
38AQI
35AQI
33AQI
31AQI
29AQI
27AQI
31AQI
34AQI
26AQI
24AQI
26AQI
15AQI
17AQI
20AQI
36AQI
42AQI
53AQI
48AQI
54AQI
82AQI
58AQI
72AQI
64AQI
110AQI
152AQI
95AQI
87AQI
106AQI
87AQI
55AQI
45AQI
51AQI
43AQI
58AQI
No. of days
202579AQI
Highest AQI recorded in
January152AQI
Lowest AQI recorded in
September43AQI
202474AQI
Highest AQI recorded in
January134AQI
Lowest AQI recorded in
July29AQI
202378AQI
Highest AQI recorded in
January157AQI
Lowest AQI recorded in
July44AQI
202282AQI
Highest AQI recorded in
January168AQI
Lowest AQI recorded in
August17AQI
202186AQI
Highest AQI recorded in
January157AQI
Lowest AQI recorded in
July47AQI
202085AQI
Highest AQI recorded in
December138AQI
Lowest AQI recorded in
July53AQI
Most & Least Polluted Years Over the Last 6 Years
City Environmental Monitoring Station's annual 2025 AQI (79) shows an average percentage change of -2.007% (improved AQI) compared to previous years: 2020 (85), 2021 (86), 2022 (82), 2023 (78), 2024 (74).