Longfeng 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
Longfeng 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 3rd highest AQI at 49 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 3rd Oct - 4th Oct 2026
Longfeng District, Daqing, Heilongjiang, China
5 AM3rd Oct 2026
5 PM
4 AM4th Oct 2026
67AQI
19AQI
71AQI
27AQI
In the last 24 hours,
Longfeng District's AQI reached its highest point of 71 at 6 PM during the Night, while the lowest point, 19, was recorded at 4 PM during the Day between 3rd Oct and 4th Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Longfeng 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
43AQI
32AQI
52AQI
40AQI
2026 Days Vs Air Quality
Longfeng District, Daqing, Heilongjiang, China
45%
123
43%
120
10%
28
2%
5
Total number of days with different AQI categories in last 277 days in 2026 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 45%
Health Risk Level:
Significant
In 2026, 45% of 277 days were within WHO’s safe air quality limits, and 55% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Longfeng District, Daqing, Heilongjiang, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
68AQI (US)
87AQI (US)
87AQI (US)
57AQI (US)
64AQI (US)
116AQI (US)
60AQI (US)
89AQI (US)
89AQI (US)
89AQI (US)
88AQI (US)
108AQI (US)
74AQI (US)
66AQI (US)
110AQI (US)
100AQI (US)
74AQI (US)
84AQI (US)
70AQI (US)
59AQI (US)
67AQI (US)
64AQI (US)
59AQI (US)
56AQI (US)
48AQI (US)
106AQI (US)
75AQI (US)
67AQI (US)
62AQI (US)
71AQI (US)
98AQI (US)
69AQI (US)
65AQI (US)
66AQI (US)
112AQI (US)
74AQI (US)
50AQI (US)
71AQI (US)
67AQI (US)
87AQI (US)
127AQI (US)
80AQI (US)
113AQI (US)
115AQI (US)
126AQI (US)
43AQI (US)
70AQI (US)
99AQI (US)
56AQI (US)
109AQI (US)
128AQI (US)
154AQI (US)
93AQI (US)
38AQI (US)
37AQI (US)
86AQI (US)
43AQI (US)
58AQI (US)
51AQI (US)
52AQI (US)
55AQI (US)
81AQI (US)
103AQI (US)
68AQI (US)
82AQI (US)
88AQI (US)
113AQI (US)
107AQI (US)
76AQI (US)
51AQI (US)
76AQI (US)
112AQI (US)
59AQI (US)
72AQI (US)
55AQI (US)
125AQI (US)
90AQI (US)
84AQI (US)
105AQI (US)
151AQI (US)
157AQI (US)
152AQI (US)
138AQI (US)
163AQI (US)
121AQI (US)
84AQI (US)
107AQI (US)
129AQI (US)
45AQI (US)
140AQI (US)
71AQI (US)
146AQI (US)
128AQI (US)
77AQI (US)
110AQI (US)
81AQI (US)
44AQI (US)
62AQI (US)
40AQI (US)
49AQI (US)
43AQI (US)
62AQI (US)
44AQI (US)
87AQI (US)
102AQI (US)
84AQI (US)
98AQI (US)
69AQI (US)
71AQI (US)
61AQI (US)
45AQI (US)
38AQI (US)
62AQI (US)
78AQI (US)
80AQI (US)
54AQI (US)
35AQI (US)
53AQI (US)
54AQI (US)
60AQI (US)
52AQI (US)
37AQI (US)
46AQI (US)
49AQI (US)
50AQI (US)
36AQI (US)
53AQI (US)
53AQI (US)
50AQI (US)
75AQI (US)
103AQI (US)
77AQI (US)
76AQI (US)
102AQI (US)
57AQI (US)
78AQI (US)
67AQI (US)
63AQI (US)
62AQI (US)
70AQI (US)
77AQI (US)
87AQI (US)
85AQI (US)
75AQI (US)
72AQI (US)
52AQI (US)
33AQI (US)
44AQI (US)
35AQI (US)
28AQI (US)
45AQI (US)
42AQI (US)
35AQI (US)
39AQI (US)
36AQI (US)
21AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
50AQI (US)
57AQI (US)
34AQI (US)
33AQI (US)
50AQI (US)
52AQI (US)
64AQI (US)
56AQI (US)
91AQI (US)
68AQI (US)
27AQI (US)
27AQI (US)
50AQI (US)
62AQI (US)
52AQI (US)
44AQI (US)
43AQI (US)
41AQI (US)
49AQI (US)
65AQI (US)
66AQI (US)
64AQI (US)
58AQI (US)
30AQI (US)
42AQI (US)
61AQI (US)
39AQI (US)
28AQI (US)
21AQI (US)
50AQI (US)
58AQI (US)
26AQI (US)
37AQI (US)
34AQI (US)
30AQI (US)
32AQI (US)
35AQI (US)
43AQI (US)
39AQI (US)
52AQI (US)
59AQI (US)
57AQI (US)
81AQI (US)
35AQI (US)
32AQI (US)
47AQI (US)
31AQI (US)
74AQI (US)
33AQI (US)
22AQI (US)
60AQI (US)
32AQI (US)
23AQI (US)
43AQI (US)
48AQI (US)
41AQI (US)
49AQI (US)
41AQI (US)
34AQI (US)
32AQI (US)
35AQI (US)
60AQI (US)
40AQI (US)
30AQI (US)
42AQI (US)
26AQI (US)
41AQI (US)
48AQI (US)
34AQI (US)
31AQI (US)
38AQI (US)
72AQI (US)
33AQI (US)
47AQI (US)
54AQI (US)
35AQI (US)
37AQI (US)
31AQI (US)
35AQI (US)
38AQI (US)
29AQI (US)
24AQI (US)
32AQI (US)
33AQI (US)
45AQI (US)
72AQI (US)
51AQI (US)
49AQI (US)
34AQI (US)
30AQI (US)
36AQI (US)
37AQI (US)
44AQI (US)
48AQI (US)
30AQI (US)
27AQI (US)
27AQI (US)
45AQI (US)
68AQI (US)
66AQI (US)
45AQI (US)
22AQI (US)
33AQI (US)
36AQI (US)
35AQI (US)
42AQI (US)
45AQI (US)
38AQI (US)
48AQI (US)
46AQI (US)
57AQI (US)
39AQI (US)
35AQI (US)
30AQI (US)
49AQI (US)
78AQI (US)
82AQI (US)
98AQI (US)
70AQI (US)
61AQI (US)
44AQI (US)
44AQI (US)
39AQI (US)
42AQI (US)
38AQI (US)
No. of days
202662AQI (US)
Highest AQI (US) recorded in
March98AQI (US)
Lowest AQI (US) recorded in
October38AQI (US)
202583AQI (US)
Highest AQI (US) recorded in
January151AQI (US)
Lowest AQI (US) recorded in
August40AQI (US)
202486AQI (US)
Highest AQI (US) recorded in
November139AQI (US)
Lowest AQI (US) recorded in
August47AQI (US)
202375AQI (US)
Highest AQI (US) recorded in
January116AQI (US)
Lowest AQI (US) recorded in
August34AQI (US)
202272AQI (US)
Highest AQI (US) recorded in
January135AQI (US)
Lowest AQI (US) recorded in
July33AQI (US)
202177AQI (US)
Highest AQI (US) recorded in
January118AQI (US)
Lowest AQI (US) recorded in
September47AQI (US)
202058AQI (US)
Highest AQI (US) recorded in
December93AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Longfeng District's annual 2026 AQI (US) (62) shows an average percentage change of -16.1% (improved AQI (US)) compared to previous years: 2020 (58), 2021 (77), 2022 (72), 2023 (75), 2024 (86), 2025 (83).