Ranghulu District, Daqing, 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
Ranghulu District, Daqing, Heilongjiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (9th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 95 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Oct - 10th Oct 2025
Ranghulu District, Daqing, Heilongjiang, China
7 AM9th Oct 2025
7 PM
6 AM10th Oct 2025
100AQI
34AQI
96AQI
75AQI
In the last 24 hours,
Ranghulu District's AQI reached its highest point of 100 at 8 AM during the Day, while the lowest point, 34, was recorded at 3 PM during the Day between 9th Oct and 10th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Ranghulu District, Daqing, Heilongjiang, China
17°C11/23°C
19°C12/26°C
20°C17/23°C
20°C15/26°C
19°C14/26°C
17°C13/22°C
13°C9/16°C
13°C8/20°C
16°C10/22°C
18°C12/25°C
16°C12/20°C
16°C11/21°C
18°C12/24°C
20°C13/26°C
15°C12/17°C
16°C12/20°C
18°C13/24°C
20°C14/27°C
19°C13/25°C
17°C11/24°C
20°C15/27°C
16°C9/20°C
15°C7/23°C
21°C15/28°C
16°C10/18°C
10°C7/15°C
10°C5/16°C
12°C8/18°C
8°C4/11°C
8°C3/13°C
--°C/°C
63AQI
44AQI
65AQI
63AQI
2025 Days Vs Air Quality
Ranghulu District, Daqing, Heilongjiang, China
15%
43
61%
171
18%
50
5%
15
1%
3
Total number of days with different AQI categories in last 283 days in 2025 (82 days remaining)
Under WHO’s Safe Air Quality Limits: 15%
Health Risk Level:
Extreme
In 2025, 15% of 283 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
Ranghulu District, Daqing, Heilongjiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
160AQI
122AQI
126AQI
160AQI
154AQI
154AQI
120AQI
118AQI
93AQI
109AQI
139AQI
171AQI
194AQI
165AQI
116AQI
114AQI
142AQI
166AQI
176AQI
189AQI
168AQI
150AQI
178AQI
216AQI
233AQI
209AQI
142AQI
131AQI
114AQI
109AQI
112AQI
133AQI
152AQI
120AQI
101AQI
124AQI
115AQI
85AQI
81AQI
80AQI
113AQI
150AQI
130AQI
106AQI
103AQI
111AQI
86AQI
82AQI
73AQI
73AQI
79AQI
83AQI
97AQI
79AQI
85AQI
79AQI
74AQI
83AQI
71AQI
69AQI
76AQI
85AQI
100AQI
122AQI
111AQI
102AQI
100AQI
143AQI
146AQI
140AQI
96AQI
87AQI
69AQI
65AQI
69AQI
68AQI
71AQI
103AQI
74AQI
77AQI
71AQI
175AQI
87AQI
109AQI
110AQI
76AQI
78AQI
61AQI
68AQI
76AQI
102AQI
104AQI
110AQI
137AQI
102AQI
116AQI
107AQI
96AQI
125AQI
150AQI
156AQI
112AQI
97AQI
79AQI
65AQI
62AQI
96AQI
65AQI
76AQI
74AQI
83AQI
55AQI
70AQI
60AQI
61AQI
64AQI
90AQI
68AQI
101AQI
61AQI
76AQI
60AQI
60AQI
51AQI
54AQI
59AQI
68AQI
75AQI
71AQI
69AQI
85AQI
108AQI
106AQI
98AQI
117AQI
88AQI
81AQI
75AQI
71AQI
84AQI
67AQI
65AQI
62AQI
66AQI
67AQI
78AQI
81AQI
99AQI
87AQI
106AQI
95AQI
74AQI
76AQI
62AQI
67AQI
57AQI
56AQI
54AQI
65AQI
57AQI
55AQI
53AQI
61AQI
70AQI
63AQI
70AQI
62AQI
61AQI
62AQI
61AQI
59AQI
55AQI
54AQI
55AQI
59AQI
61AQI
62AQI
65AQI
60AQI
63AQI
67AQI
62AQI
58AQI
60AQI
58AQI
56AQI
57AQI
56AQI
56AQI
57AQI
58AQI
62AQI
57AQI
55AQI
54AQI
51AQI
51AQI
53AQI
52AQI
52AQI
50AQI
52AQI
53AQI
55AQI
62AQI
52AQI
58AQI
56AQI
52AQI
52AQI
49AQI
44AQI
45AQI
50AQI
38AQI
41AQI
41AQI
35AQI
38AQI
40AQI
40AQI
40AQI
38AQI
45AQI
45AQI
38AQI
50AQI
43AQI
37AQI
37AQI
44AQI
38AQI
40AQI
34AQI
46AQI
39AQI
38AQI
36AQI
39AQI
39AQI
40AQI
48AQI
54AQI
54AQI
50AQI
62AQI
70AQI
68AQI
48AQI
47AQI
43AQI
43AQI
49AQI
51AQI
56AQI
58AQI
55AQI
47AQI
51AQI
44AQI
46AQI
48AQI
53AQI
52AQI
52AQI
57AQI
53AQI
51AQI
52AQI
54AQI
59AQI
54AQI
81AQI
63AQI
61AQI
83AQI
69AQI
60AQI
73AQI
62AQI
66AQI
95AQI
150AQI
98AQI
93AQI
91AQI
78AQI
62AQI
55AQI
41AQI
54AQI
70AQI
No. of days
202580AQI
Highest AQI recorded in
January150AQI
Lowest AQI recorded in
August41AQI
202481AQI
Highest AQI recorded in
November138AQI
Lowest AQI recorded in
August46AQI
202369AQI
Highest AQI recorded in
January104AQI
Lowest AQI recorded in
August34AQI
202269AQI
Highest AQI recorded in
January123AQI
Lowest AQI recorded in
September31AQI
202173AQI
Highest AQI recorded in
January101AQI
Lowest AQI recorded in
September47AQI
202060AQI
Highest AQI recorded in
April93AQI
Lowest AQI recorded in
August35AQI
Most & Least Polluted Years Over the Last 6 Years
Ranghulu District's annual 2025 AQI (80) shows an average percentage change of 14.4% (worsened AQI) compared to previous years: 2020 (60), 2021 (73), 2022 (69), 2023 (69), 2024 (81).