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
Daqing, Heilongjiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 45 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 2nd Oct - 3rd Oct 2026
Daqing, Heilongjiang, China
5 AM2nd Oct 2026
5 PM
4 AM3rd Oct 2026
32AQI
22AQI
78AQI
30AQI
In the last 24 hours,
Daqing's AQI reached its highest point of 78 at 10 PM during the Night, while the lowest point, 22, was recorded at 3 PM during the Day between 2nd Oct and 3rd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Daqing, Heilongjiang, China
21°C17/26°C
22°C18/28°C
23°C18/28°C
15°C11/20°C
15°C11/19°C
16°C11/21°C
18°C13/23°C
20°C16/24°C
20°C15/27°C
14°C9/19°C
14°C9/20°C
17°C12/23°C
18°C13/24°C
21°C15/27°C
23°C18/30°C
21°C16/27°C
13°C8/17°C
13°C10/18°C
15°C10/23°C
14°C11/18°C
15°C10/19°C
13°C11/16°C
11°C10/14°C
13°C9/18°C
14°C10/19°C
13°C10/16°C
10°C6/13°C
8°C4/13°C
10°C5/14°C
12°C6/16°C
42AQI
33AQI
47AQI
39AQI
2026 Days Vs Air Quality
Daqing, Heilongjiang, China
44%
122
45%
123
10%
28
1%
3
Total number of days with different AQI categories in last 276 days in 2026 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 44%
Health Risk Level:
Significant
In 2026, 44% of 276 days were within WHO’s safe air quality limits, and 56% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Daqing, Heilongjiang, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
66AQI (US)
75AQI (US)
87AQI (US)
64AQI (US)
62AQI (US)
113AQI (US)
60AQI (US)
83AQI (US)
94AQI (US)
96AQI (US)
93AQI (US)
118AQI (US)
79AQI (US)
65AQI (US)
119AQI (US)
97AQI (US)
69AQI (US)
78AQI (US)
67AQI (US)
58AQI (US)
64AQI (US)
62AQI (US)
61AQI (US)
56AQI (US)
50AQI (US)
101AQI (US)
69AQI (US)
69AQI (US)
63AQI (US)
58AQI (US)
84AQI (US)
65AQI (US)
64AQI (US)
71AQI (US)
119AQI (US)
74AQI (US)
49AQI (US)
67AQI (US)
58AQI (US)
82AQI (US)
129AQI (US)
77AQI (US)
104AQI (US)
105AQI (US)
124AQI (US)
39AQI (US)
64AQI (US)
86AQI (US)
52AQI (US)
102AQI (US)
130AQI (US)
153AQI (US)
92AQI (US)
39AQI (US)
36AQI (US)
87AQI (US)
42AQI (US)
55AQI (US)
54AQI (US)
54AQI (US)
55AQI (US)
80AQI (US)
93AQI (US)
62AQI (US)
73AQI (US)
81AQI (US)
110AQI (US)
107AQI (US)
72AQI (US)
53AQI (US)
78AQI (US)
111AQI (US)
60AQI (US)
69AQI (US)
50AQI (US)
124AQI (US)
86AQI (US)
85AQI (US)
112AQI (US)
149AQI (US)
152AQI (US)
148AQI (US)
136AQI (US)
162AQI (US)
121AQI (US)
85AQI (US)
104AQI (US)
127AQI (US)
45AQI (US)
133AQI (US)
68AQI (US)
144AQI (US)
128AQI (US)
81AQI (US)
109AQI (US)
85AQI (US)
45AQI (US)
62AQI (US)
37AQI (US)
50AQI (US)
41AQI (US)
63AQI (US)
44AQI (US)
84AQI (US)
105AQI (US)
83AQI (US)
98AQI (US)
77AQI (US)
71AQI (US)
60AQI (US)
48AQI (US)
38AQI (US)
64AQI (US)
79AQI (US)
61AQI (US)
48AQI (US)
40AQI (US)
53AQI (US)
48AQI (US)
61AQI (US)
53AQI (US)
39AQI (US)
48AQI (US)
52AQI (US)
54AQI (US)
37AQI (US)
52AQI (US)
51AQI (US)
51AQI (US)
76AQI (US)
104AQI (US)
74AQI (US)
73AQI (US)
98AQI (US)
59AQI (US)
78AQI (US)
67AQI (US)
63AQI (US)
62AQI (US)
70AQI (US)
77AQI (US)
87AQI (US)
85AQI (US)
76AQI (US)
72AQI (US)
51AQI (US)
36AQI (US)
44AQI (US)
36AQI (US)
30AQI (US)
47AQI (US)
44AQI (US)
38AQI (US)
39AQI (US)
40AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
49AQI (US)
59AQI (US)
34AQI (US)
32AQI (US)
55AQI (US)
51AQI (US)
65AQI (US)
56AQI (US)
89AQI (US)
66AQI (US)
29AQI (US)
28AQI (US)
50AQI (US)
62AQI (US)
45AQI (US)
43AQI (US)
49AQI (US)
42AQI (US)
55AQI (US)
71AQI (US)
71AQI (US)
66AQI (US)
60AQI (US)
32AQI (US)
49AQI (US)
61AQI (US)
40AQI (US)
30AQI (US)
23AQI (US)
56AQI (US)
65AQI (US)
30AQI (US)
38AQI (US)
34AQI (US)
31AQI (US)
31AQI (US)
36AQI (US)
45AQI (US)
41AQI (US)
53AQI (US)
60AQI (US)
61AQI (US)
89AQI (US)
40AQI (US)
40AQI (US)
51AQI (US)
39AQI (US)
74AQI (US)
37AQI (US)
30AQI (US)
62AQI (US)
37AQI (US)
29AQI (US)
48AQI (US)
51AQI (US)
43AQI (US)
48AQI (US)
42AQI (US)
35AQI (US)
31AQI (US)
36AQI (US)
60AQI (US)
41AQI (US)
27AQI (US)
43AQI (US)
31AQI (US)
39AQI (US)
44AQI (US)
33AQI (US)
34AQI (US)
40AQI (US)
65AQI (US)
32AQI (US)
42AQI (US)
49AQI (US)
36AQI (US)
31AQI (US)
24AQI (US)
32AQI (US)
37AQI (US)
28AQI (US)
28AQI (US)
36AQI (US)
30AQI (US)
41AQI (US)
70AQI (US)
50AQI (US)
47AQI (US)
35AQI (US)
29AQI (US)
35AQI (US)
34AQI (US)
40AQI (US)
45AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
43AQI (US)
63AQI (US)
64AQI (US)
48AQI (US)
25AQI (US)
32AQI (US)
38AQI (US)
35AQI (US)
40AQI (US)
41AQI (US)
36AQI (US)
44AQI (US)
39AQI (US)
50AQI (US)
37AQI (US)
29AQI (US)
32AQI (US)
45AQI (US)
77AQI (US)
79AQI (US)
96AQI (US)
69AQI (US)
61AQI (US)
45AQI (US)
48AQI (US)
39AQI (US)
40AQI (US)
35AQI (US)
No. of days
202661AQI (US)
Highest AQI (US) recorded in
March96AQI (US)
Lowest AQI (US) recorded in
October35AQI (US)
202583AQI (US)
Highest AQI (US) recorded in
January151AQI (US)
Lowest AQI (US) recorded in
August41AQI (US)
202486AQI (US)
Highest AQI (US) recorded in
November138AQI (US)
Lowest AQI (US) recorded in
August50AQI (US)
202378AQI (US)
Highest AQI (US) recorded in
January117AQI (US)
Lowest AQI (US) recorded in
August38AQI (US)
202279AQI (US)
Highest AQI (US) recorded in
January140AQI (US)
Lowest AQI (US) recorded in
July39AQI (US)
202180AQI (US)
Highest AQI (US) recorded in
January105AQI (US)
Lowest AQI (US) recorded in
September53AQI (US)
202062AQI (US)
Highest AQI (US) recorded in
April98AQI (US)
Lowest AQI (US) recorded in
August40AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Daqing's annual 2026 AQI (US) (61) shows an average percentage change of -20.9% (improved AQI (US)) compared to previous years: 2020 (62), 2021 (80), 2022 (79), 2023 (78), 2024 (86), 2025 (83).