Saertu 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
Saertu District, 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 38 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 3rd Oct - 4th Oct 2026
Saertu District, Daqing, Heilongjiang, China
5 AM3rd Oct 2026
5 PM
4 AM4th Oct 2026
67AQI
8AQI
36AQI
20AQI
In the last 24 hours,
Saertu District's AQI reached its highest point of 67 at 8 AM during the Day, while the lowest point, 8, was recorded at 1 PM during the Day between 3rd Oct and 4th Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Saertu District, Daqing, Heilongjiang, China
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
12°C8/16°C
38AQI
31AQI
45AQI
35AQI
2026 Days Vs Air Quality
Saertu District, Daqing, Heilongjiang, China
47%
131
42%
117
9%
25
1%
3
Total number of days with different AQI categories in last 277 days in 2026 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 47%
Health Risk Level:
Significant
In 2026, 47% of 277 days were within WHO’s safe air quality limits, and 53% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Saertu District, Daqing, Heilongjiang, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
56AQI (US)
67AQI (US)
87AQI (US)
55AQI (US)
51AQI (US)
116AQI (US)
45AQI (US)
81AQI (US)
91AQI (US)
88AQI (US)
92AQI (US)
127AQI (US)
75AQI (US)
64AQI (US)
115AQI (US)
99AQI (US)
56AQI (US)
66AQI (US)
61AQI (US)
39AQI (US)
51AQI (US)
55AQI (US)
53AQI (US)
51AQI (US)
49AQI (US)
93AQI (US)
62AQI (US)
57AQI (US)
60AQI (US)
53AQI (US)
74AQI (US)
55AQI (US)
62AQI (US)
65AQI (US)
113AQI (US)
74AQI (US)
51AQI (US)
58AQI (US)
58AQI (US)
83AQI (US)
124AQI (US)
75AQI (US)
99AQI (US)
113AQI (US)
124AQI (US)
33AQI (US)
64AQI (US)
79AQI (US)
47AQI (US)
100AQI (US)
131AQI (US)
153AQI (US)
91AQI (US)
44AQI (US)
34AQI (US)
88AQI (US)
36AQI (US)
46AQI (US)
53AQI (US)
55AQI (US)
52AQI (US)
79AQI (US)
93AQI (US)
59AQI (US)
70AQI (US)
84AQI (US)
102AQI (US)
102AQI (US)
71AQI (US)
45AQI (US)
68AQI (US)
113AQI (US)
62AQI (US)
67AQI (US)
47AQI (US)
122AQI (US)
87AQI (US)
82AQI (US)
108AQI (US)
149AQI (US)
153AQI (US)
146AQI (US)
134AQI (US)
162AQI (US)
120AQI (US)
80AQI (US)
104AQI (US)
128AQI (US)
44AQI (US)
134AQI (US)
65AQI (US)
139AQI (US)
122AQI (US)
71AQI (US)
104AQI (US)
77AQI (US)
44AQI (US)
61AQI (US)
33AQI (US)
40AQI (US)
35AQI (US)
57AQI (US)
40AQI (US)
80AQI (US)
101AQI (US)
78AQI (US)
91AQI (US)
63AQI (US)
65AQI (US)
62AQI (US)
56AQI (US)
40AQI (US)
56AQI (US)
70AQI (US)
53AQI (US)
44AQI (US)
32AQI (US)
53AQI (US)
45AQI (US)
59AQI (US)
43AQI (US)
30AQI (US)
40AQI (US)
46AQI (US)
50AQI (US)
33AQI (US)
48AQI (US)
51AQI (US)
49AQI (US)
72AQI (US)
102AQI (US)
73AQI (US)
70AQI (US)
96AQI (US)
53AQI (US)
78AQI (US)
67AQI (US)
63AQI (US)
62AQI (US)
70AQI (US)
75AQI (US)
86AQI (US)
85AQI (US)
76AQI (US)
71AQI (US)
49AQI (US)
35AQI (US)
44AQI (US)
37AQI (US)
31AQI (US)
45AQI (US)
39AQI (US)
33AQI (US)
38AQI (US)
40AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
47AQI (US)
56AQI (US)
24AQI (US)
28AQI (US)
53AQI (US)
53AQI (US)
64AQI (US)
58AQI (US)
90AQI (US)
64AQI (US)
26AQI (US)
24AQI (US)
49AQI (US)
64AQI (US)
43AQI (US)
43AQI (US)
46AQI (US)
39AQI (US)
54AQI (US)
70AQI (US)
68AQI (US)
66AQI (US)
63AQI (US)
33AQI (US)
45AQI (US)
58AQI (US)
32AQI (US)
24AQI (US)
24AQI (US)
58AQI (US)
69AQI (US)
35AQI (US)
39AQI (US)
34AQI (US)
31AQI (US)
31AQI (US)
37AQI (US)
43AQI (US)
46AQI (US)
53AQI (US)
59AQI (US)
66AQI (US)
84AQI (US)
41AQI (US)
40AQI (US)
50AQI (US)
42AQI (US)
78AQI (US)
35AQI (US)
28AQI (US)
58AQI (US)
39AQI (US)
26AQI (US)
50AQI (US)
53AQI (US)
47AQI (US)
50AQI (US)
33AQI (US)
30AQI (US)
32AQI (US)
33AQI (US)
57AQI (US)
41AQI (US)
26AQI (US)
50AQI (US)
35AQI (US)
41AQI (US)
45AQI (US)
32AQI (US)
31AQI (US)
38AQI (US)
58AQI (US)
32AQI (US)
40AQI (US)
49AQI (US)
36AQI (US)
31AQI (US)
20AQI (US)
31AQI (US)
37AQI (US)
27AQI (US)
31AQI (US)
35AQI (US)
26AQI (US)
38AQI (US)
79AQI (US)
52AQI (US)
47AQI (US)
33AQI (US)
24AQI (US)
36AQI (US)
36AQI (US)
41AQI (US)
40AQI (US)
23AQI (US)
26AQI (US)
27AQI (US)
42AQI (US)
59AQI (US)
63AQI (US)
50AQI (US)
22AQI (US)
32AQI (US)
37AQI (US)
35AQI (US)
41AQI (US)
40AQI (US)
27AQI (US)
41AQI (US)
33AQI (US)
46AQI (US)
42AQI (US)
23AQI (US)
32AQI (US)
38AQI (US)
71AQI (US)
77AQI (US)
94AQI (US)
65AQI (US)
59AQI (US)
43AQI (US)
47AQI (US)
38AQI (US)
39AQI (US)
31AQI (US)
No. of days
202659AQI (US)
Highest AQI (US) recorded in
March94AQI (US)
Lowest AQI (US) recorded in
October31AQI (US)
202581AQI (US)
Highest AQI (US) recorded in
January151AQI (US)
Lowest AQI (US) recorded in
August40AQI (US)
202479AQI (US)
Highest AQI (US) recorded in
November137AQI (US)
Lowest AQI (US) recorded in
August39AQI (US)
202376AQI (US)
Highest AQI (US) recorded in
January120AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
202282AQI (US)
Highest AQI (US) recorded in
January145AQI (US)
Lowest AQI (US) recorded in
September39AQI (US)
202177AQI (US)
Highest AQI (US) recorded in
April104AQI (US)
Lowest AQI (US) recorded in
September57AQI (US)
202052AQI (US)
Highest AQI (US) recorded in
April92AQI (US)
Lowest AQI (US) recorded in
August36AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Saertu District's annual 2026 AQI (US) (59) shows an average percentage change of -18.8% (improved AQI (US)) compared to previous years: 2020 (52), 2021 (77), 2022 (82), 2023 (76), 2024 (79), 2025 (81).