Rac Hac Dang Jia, Suihua, Heilongjiang, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Rac Hac Dang Jia, Suihua, Heilongjiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (18th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 41 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Rac Hac Dang Jia, Suihua, Heilongjiang, China
6 AM18th Sep 2025
8 PM
5 AM19th Sep 2025
47AQI
16AQI
56AQI
44AQI
In the last 24 hours,
Rac Hac Dang Jia's AQI reached its highest point of 56 at 11 PM during the Night, while the lowest point, 16, was recorded at 5 PM during the Day between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Rac Hac Dang Jia, Suihua, Heilongjiang, China
19°C13/24°C
20°C16/24°C
17°C15/18°C
21°C15/27°C
22°C18/26°C
21°C17/26°C
19°C15/24°C
20°C15/25°C
20°C17/23°C
20°C16/24°C
21°C16/27°C
21°C17/26°C
20°C17/24°C
20°C15/26°C
21°C15/27°C
22°C17/28°C
22°C18/27°C
19°C16/23°C
16°C12/21°C
15°C10/20°C
15°C9/20°C
16°C12/20°C
17°C11/23°C
18°C15/22°C
19°C13/25°C
18°C13/24°C
16°C12/21°C
13°C8/17°C
12°C6/18°C
14°C8/21°C
--°C/°C
52AQI
33AQI
54AQI
47AQI
2025 Days Vs Air Quality
Rac Hac Dang Jia, Suihua, Heilongjiang, China
30%
78
43%
113
15%
40
10%
26
2%
4
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Under WHO’s Safe Air Quality Limits: 30%
Health Risk Level:
High
In 2025, 30% of 262 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Rac Hac Dang Jia, Suihua, Heilongjiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
179AQI
180AQI
180AQI
191AQI
157AQI
169AQI
155AQI
126AQI
146AQI
174AQI
187AQI
200AQI
184AQI
207AQI
145AQI
146AQI
153AQI
155AQI
183AQI
198AQI
178AQI
185AQI
217AQI
242AQI
242AQI
200AQI
169AQI
144AQI
143AQI
133AQI
156AQI
160AQI
182AQI
174AQI
140AQI
130AQI
127AQI
105AQI
94AQI
127AQI
143AQI
156AQI
170AQI
142AQI
121AQI
137AQI
109AQI
80AQI
87AQI
85AQI
93AQI
85AQI
86AQI
108AQI
86AQI
83AQI
79AQI
120AQI
81AQI
72AQI
70AQI
83AQI
85AQI
88AQI
102AQI
80AQI
95AQI
118AQI
150AQI
111AQI
91AQI
70AQI
62AQI
58AQI
60AQI
60AQI
68AQI
88AQI
100AQI
66AQI
55AQI
59AQI
54AQI
65AQI
62AQI
52AQI
58AQI
49AQI
58AQI
93AQI
117AQI
117AQI
121AQI
104AQI
96AQI
108AQI
98AQI
105AQI
127AQI
145AQI
157AQI
138AQI
93AQI
75AQI
51AQI
68AQI
117AQI
85AQI
84AQI
102AQI
99AQI
60AQI
78AQI
65AQI
56AQI
57AQI
91AQI
103AQI
121AQI
118AQI
102AQI
82AQI
70AQI
63AQI
59AQI
59AQI
67AQI
72AQI
57AQI
66AQI
74AQI
111AQI
92AQI
88AQI
118AQI
72AQI
67AQI
63AQI
57AQI
56AQI
50AQI
51AQI
48AQI
43AQI
46AQI
63AQI
66AQI
78AQI
72AQI
71AQI
92AQI
52AQI
60AQI
55AQI
58AQI
41AQI
37AQI
41AQI
59AQI
47AQI
39AQI
45AQI
55AQI
64AQI
48AQI
69AQI
60AQI
53AQI
65AQI
53AQI
52AQI
40AQI
30AQI
45AQI
56AQI
61AQI
62AQI
65AQI
60AQI
59AQI
68AQI
56AQI
56AQI
60AQI
52AQI
46AQI
55AQI
47AQI
50AQI
48AQI
49AQI
63AQI
59AQI
52AQI
48AQI
42AQI
40AQI
45AQI
41AQI
45AQI
42AQI
41AQI
50AQI
50AQI
59AQI
42AQI
49AQI
50AQI
48AQI
41AQI
42AQI
44AQI
48AQI
52AQI
41AQI
43AQI
42AQI
38AQI
32AQI
35AQI
34AQI
31AQI
36AQI
45AQI
42AQI
37AQI
49AQI
43AQI
37AQI
39AQI
45AQI
41AQI
39AQI
35AQI
44AQI
40AQI
39AQI
36AQI
41AQI
39AQI
40AQI
47AQI
53AQI
46AQI
47AQI
54AQI
68AQI
59AQI
46AQI
45AQI
42AQI
42AQI
46AQI
46AQI
56AQI
52AQI
54AQI
43AQI
40AQI
40AQI
41AQI
175AQI
118AQI
77AQI
99AQI
70AQI
53AQI
49AQI
41AQI
48AQI
No. of days
202582AQI
Highest AQI recorded in
January175AQI
Lowest AQI recorded in
August41AQI
202493AQI
Highest AQI recorded in
November153AQI
Lowest AQI recorded in
August43AQI
202389AQI
Highest AQI recorded in
January144AQI
Lowest AQI recorded in
August38AQI
202295AQI
Highest AQI recorded in
January158AQI
Lowest AQI recorded in
August43AQI
202186AQI
Highest AQI recorded in
January141AQI
Lowest AQI recorded in
September41AQI
202073AQI
Highest AQI recorded in
April141AQI
Lowest AQI recorded in
June39AQI
Most & Least Polluted Years Over the Last 6 Years
Rac Hac Dang Jia's annual 2025 AQI (82) shows an average percentage change of -4.9% (improved AQI) compared to previous years: 2020 (73), 2021 (86), 2022 (95), 2023 (89), 2024 (93).