Yichun, Heilongjiang, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Yichun, Heilongjiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 54 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Yichun, Heilongjiang, China
5 AM2nd Jul 2025
9 PM
4 AM3rd Jul 2025
50AQI
29AQI
52AQI
32AQI
In the last 24 hours,
Yichun's AQI reached its highest point of 52 at 2 AM during the Night, while the lowest point, 29, was recorded at 4 PM during the Day between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Yichun, Heilongjiang, China
11°C10/13°C
11°C8/13°C
12°C8/18°C
11°C6/16°C
13°C9/17°C
13°C9/17°C
13°C6/19°C
11°C10/13°C
17°C11/25°C
17°C11/26°C
19°C14/25°C
16°C14/19°C
20°C12/27°C
18°C15/21°C
16°C10/22°C
19°C9/28°C
18°C13/23°C
17°C16/19°C
14°C11/17°C
19°C11/27°C
21°C14/28°C
25°C17/32°C
25°C18/33°C
23°C18/33°C
26°C18/33°C
24°C19/33°C
22°C19/26°C
23°C19/29°C
20°C18/27°C
24°C19/29°C
0°C0/0°C
51AQI
50AQI
55AQI
55AQI
2025 Days Vs Air Quality
Yichun, Heilongjiang, China
2%
4
71%
130
22%
40
5%
9
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% of 184 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
Yichun, Heilongjiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
125AQI
115AQI
130AQI
161AQI
141AQI
143AQI
120AQI
104AQI
96AQI
120AQI
131AQI
146AQI
151AQI
174AQI
137AQI
115AQI
135AQI
133AQI
156AQI
153AQI
151AQI
143AQI
152AQI
161AQI
172AQI
146AQI
117AQI
115AQI
109AQI
96AQI
109AQI
118AQI
132AQI
146AQI
117AQI
107AQI
100AQI
74AQI
82AQI
86AQI
89AQI
125AQI
127AQI
110AQI
91AQI
93AQI
96AQI
72AQI
85AQI
76AQI
77AQI
76AQI
70AQI
76AQI
77AQI
89AQI
74AQI
105AQI
87AQI
79AQI
73AQI
81AQI
87AQI
91AQI
88AQI
83AQI
81AQI
98AQI
108AQI
102AQI
89AQI
75AQI
62AQI
61AQI
59AQI
63AQI
63AQI
97AQI
108AQI
82AQI
89AQI
95AQI
74AQI
76AQI
73AQI
73AQI
63AQI
61AQI
63AQI
82AQI
93AQI
95AQI
105AQI
99AQI
91AQI
95AQI
87AQI
87AQI
113AQI
121AQI
116AQI
121AQI
87AQI
75AQI
59AQI
67AQI
103AQI
80AQI
81AQI
82AQI
99AQI
67AQI
77AQI
71AQI
72AQI
58AQI
86AQI
87AQI
104AQI
96AQI
94AQI
71AQI
63AQI
55AQI
53AQI
57AQI
62AQI
71AQI
64AQI
61AQI
76AQI
107AQI
88AQI
92AQI
84AQI
72AQI
66AQI
63AQI
59AQI
59AQI
59AQI
56AQI
56AQI
50AQI
52AQI
57AQI
63AQI
73AQI
72AQI
76AQI
74AQI
61AQI
60AQI
60AQI
54AQI
53AQI
51AQI
51AQI
54AQI
54AQI
51AQI
49AQI
52AQI
55AQI
58AQI
63AQI
60AQI
58AQI
62AQI
58AQI
56AQI
48AQI
48AQI
52AQI
58AQI
62AQI
57AQI
59AQI
60AQI
57AQI
60AQI
54AQI
54AQI
134AQI
95AQI
80AQI
89AQI
68AQI
56AQI
54AQI
No. of days
202587AQI
Highest AQI recorded in
January134AQI
Lowest AQI recorded in
July54AQI
202468AQI
Highest AQI recorded in
December96AQI
Lowest AQI recorded in
August40AQI
202364AQI
Highest AQI recorded in
January91AQI
Lowest AQI recorded in
August36AQI
202263AQI
Highest AQI recorded in
January88AQI
Lowest AQI recorded in
July39AQI
202162AQI
Highest AQI recorded in
January100AQI
Lowest AQI recorded in
September39AQI
202053AQI
Highest AQI recorded in
December77AQI
Lowest AQI recorded in
June37AQI
Most & Least Polluted Years Over the Last 6 Years
Yichun's annual 2025 AQI (87) shows an average percentage change of 40.6% (worsened AQI) compared to previous years: 2020 (53), 2021 (62), 2022 (63), 2023 (64), 2024 (68).