Central Hospital, Yichun, Heilongjiang, 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
Central Hospital, Yichun, Heilongjiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 61 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Central Hospital, Yichun, Heilongjiang, China
7 AM3rd Oct 2025
7 PM
6 AM4th Oct 2025
68AQI
44AQI
96AQI
78AQI
In the last 24 hours,
Central Hospital's AQI reached its highest point of 96 at 11 PM during the Night, while the lowest point, 44, was recorded at 2 PM during the Day between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Central Hospital, Yichun, Heilongjiang, China
21°C15/29°C
22°C16/28°C
18°C12/22°C
13°C9/17°C
13°C8/19°C
13°C8/18°C
11°C8/17°C
14°C8/21°C
14°C12/18°C
16°C11/23°C
15°C12/19°C
13°C10/17°C
10°C8/13°C
10°C5/16°C
11°C5/17°C
13°C7/20°C
10°C6/16°C
11°C4/18°C
13°C7/20°C
15°C8/22°C
13°C10/17°C
12°C10/15°C
14°C9/20°C
15°C9/22°C
12°C5/18°C
12°C4/21°C
15°C9/22°C
10°C3/13°C
10°C1/20°C
15°C8/23°C
--°C/°C
55AQI
40AQI
60AQI
52AQI
2025 Days Vs Air Quality
Central Hospital, Yichun, Heilongjiang, China
26%
71
57%
156
14%
40
3%
9
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 26%
Health Risk Level:
Very high
In 2025, 26% of 277 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
Central Hospital, Yichun, Heilongjiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
126AQI
117AQI
130AQI
161AQI
140AQI
143AQI
120AQI
104AQI
95AQI
120AQI
130AQI
146AQI
151AQI
174AQI
137AQI
115AQI
135AQI
132AQI
156AQI
152AQI
151AQI
144AQI
152AQI
161AQI
172AQI
146AQI
116AQI
115AQI
107AQI
96AQI
108AQI
117AQI
131AQI
147AQI
116AQI
107AQI
100AQI
74AQI
82AQI
86AQI
89AQI
125AQI
126AQI
110AQI
90AQI
93AQI
96AQI
71AQI
85AQI
76AQI
77AQI
76AQI
70AQI
76AQI
77AQI
89AQI
74AQI
105AQI
87AQI
79AQI
73AQI
81AQI
88AQI
91AQI
88AQI
82AQI
82AQI
98AQI
108AQI
102AQI
89AQI
76AQI
62AQI
61AQI
59AQI
63AQI
62AQI
98AQI
108AQI
82AQI
89AQI
94AQI
73AQI
75AQI
73AQI
73AQI
63AQI
61AQI
63AQI
82AQI
93AQI
95AQI
105AQI
98AQI
90AQI
95AQI
87AQI
87AQI
113AQI
122AQI
116AQI
120AQI
87AQI
75AQI
59AQI
68AQI
103AQI
80AQI
81AQI
82AQI
98AQI
67AQI
77AQI
71AQI
72AQI
58AQI
86AQI
87AQI
103AQI
96AQI
95AQI
71AQI
63AQI
55AQI
54AQI
57AQI
62AQI
71AQI
64AQI
61AQI
75AQI
107AQI
88AQI
92AQI
84AQI
72AQI
66AQI
63AQI
59AQI
59AQI
59AQI
56AQI
56AQI
50AQI
52AQI
57AQI
63AQI
72AQI
72AQI
75AQI
75AQI
61AQI
60AQI
60AQI
54AQI
53AQI
52AQI
51AQI
54AQI
53AQI
50AQI
49AQI
52AQI
54AQI
57AQI
63AQI
60AQI
58AQI
62AQI
57AQI
56AQI
49AQI
52AQI
53AQI
57AQI
62AQI
56AQI
59AQI
60AQI
57AQI
60AQI
53AQI
52AQI
55AQI
54AQI
53AQI
55AQI
52AQI
51AQI
51AQI
50AQI
56AQI
54AQI
50AQI
48AQI
46AQI
47AQI
47AQI
47AQI
45AQI
46AQI
46AQI
48AQI
49AQI
53AQI
52AQI
51AQI
49AQI
47AQI
48AQI
46AQI
45AQI
49AQI
52AQI
45AQI
44AQI
43AQI
40AQI
37AQI
37AQI
36AQI
37AQI
40AQI
43AQI
41AQI
38AQI
46AQI
44AQI
40AQI
39AQI
43AQI
40AQI
41AQI
38AQI
41AQI
39AQI
41AQI
36AQI
37AQI
39AQI
38AQI
47AQI
52AQI
49AQI
47AQI
48AQI
64AQI
55AQI
47AQI
46AQI
44AQI
47AQI
49AQI
48AQI
52AQI
54AQI
51AQI
44AQI
48AQI
43AQI
45AQI
46AQI
46AQI
45AQI
47AQI
57AQI
55AQI
51AQI
40AQI
45AQI
48AQI
45AQI
61AQI
61AQI
56AQI
61AQI
134AQI
95AQI
80AQI
89AQI
68AQI
56AQI
50AQI
41AQI
49AQI
59AQI
No. of days
202573AQI
Highest AQI recorded in
January134AQI
Lowest AQI recorded in
August41AQI
202467AQI
Highest AQI recorded in
December95AQI
Lowest AQI recorded in
September37AQI
202364AQI
Highest AQI recorded in
January92AQI
Lowest AQI recorded in
August33AQI
202263AQI
Highest AQI recorded in
January88AQI
Lowest AQI recorded in
July42AQI
202161AQI
Highest AQI recorded in
January100AQI
Lowest AQI recorded in
September39AQI
202050AQI
Highest AQI recorded in
December80AQI
Lowest AQI recorded in
June32AQI
Most & Least Polluted Years Over the Last 6 Years
Central Hospital's annual 2025 AQI (73) shows an average percentage change of 21.3% (worsened AQI) compared to previous years: 2020 (50), 2021 (61), 2022 (63), 2023 (64), 2024 (67).