Longba, Gansu, 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
Longba, Gansu, China
AQI Trends: Highest and Lowest
Same Day Analysis (30th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 36 of Good air quality, showing improvement over 2025, 2024 and 2022 on the same day.
Day & Night AQI Trend: 29th Sep - 30th Sep 2026
Longba, Gansu, China
6 AM29th Sep 2026
7 PM
5 AM30th Sep 2026
30AQI
23AQI
42AQI
28AQI
In the last 24 hours,
Longba's AQI reached its highest point of 42 at 3 AM during the Night, while the lowest point, 23, was recorded at 3 PM during the Day between 29th Sep and 30th Sep 2026.
Day & Night AQI Trend : Sep 2026
Longba, Gansu, China
18°C12/25°C
17°C11/24°C
17°C11/24°C
16°C11/22°C
18°C13/24°C
18°C14/24°C
18°C15/21°C
14°C13/15°C
12°C11/13°C
11°C10/12°C
13°C10/18°C
13°C11/17°C
16°C12/22°C
15°C11/21°C
13°C10/16°C
15°C12/20°C
15°C13/19°C
14°C12/16°C
13°C12/13°C
13°C12/18°C
15°C12/20°C
16°C11/22°C
14°C13/15°C
14°C13/15°C
15°C12/21°C
15°C13/19°C
15°C14/17°C
14°C12/16°C
16°C13/21°C
13°C10/16°C
39AQI
33AQI
42AQI
37AQI
2026 Days Vs Air Quality
Longba, Gansu, China
47%
128
39%
106
13%
35
1%
4
Total number of days with different AQI categories in last 273 days in 2026 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 47%
Health Risk Level:
Significant
In 2026, 47% of 273 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
Longba, Gansu, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
74AQI (US)
96AQI (US)
102AQI (US)
108AQI (US)
97AQI (US)
100AQI (US)
108AQI (US)
118AQI (US)
140AQI (US)
134AQI (US)
128AQI (US)
158AQI (US)
154AQI (US)
138AQI (US)
116AQI (US)
149AQI (US)
145AQI (US)
164AQI (US)
76AQI (US)
74AQI (US)
82AQI (US)
92AQI (US)
116AQI (US)
116AQI (US)
130AQI (US)
140AQI (US)
144AQI (US)
151AQI (US)
112AQI (US)
88AQI (US)
100AQI (US)
120AQI (US)
122AQI (US)
120AQI (US)
110AQI (US)
129AQI (US)
116AQI (US)
93AQI (US)
110AQI (US)
95AQI (US)
84AQI (US)
94AQI (US)
105AQI (US)
112AQI (US)
124AQI (US)
86AQI (US)
58AQI (US)
102AQI (US)
90AQI (US)
84AQI (US)
90AQI (US)
114AQI (US)
115AQI (US)
116AQI (US)
89AQI (US)
73AQI (US)
74AQI (US)
72AQI (US)
38AQI (US)
20AQI (US)
43AQI (US)
51AQI (US)
56AQI (US)
73AQI (US)
83AQI (US)
77AQI (US)
34AQI (US)
33AQI (US)
54AQI (US)
60AQI (US)
90AQI (US)
133AQI (US)
63AQI (US)
74AQI (US)
50AQI (US)
42AQI (US)
62AQI (US)
62AQI (US)
74AQI (US)
66AQI (US)
66AQI (US)
80AQI (US)
56AQI (US)
57AQI (US)
58AQI (US)
66AQI (US)
60AQI (US)
66AQI (US)
22AQI (US)
43AQI (US)
50AQI (US)
62AQI (US)
62AQI (US)
92AQI (US)
79AQI (US)
68AQI (US)
57AQI (US)
36AQI (US)
38AQI (US)
58AQI (US)
55AQI (US)
48AQI (US)
49AQI (US)
52AQI (US)
47AQI (US)
50AQI (US)
64AQI (US)
56AQI (US)
76AQI (US)
67AQI (US)
31AQI (US)
24AQI (US)
47AQI (US)
58AQI (US)
75AQI (US)
84AQI (US)
56AQI (US)
28AQI (US)
40AQI (US)
50AQI (US)
52AQI (US)
51AQI (US)
42AQI (US)
46AQI (US)
67AQI (US)
63AQI (US)
50AQI (US)
50AQI (US)
50AQI (US)
80AQI (US)
85AQI (US)
92AQI (US)
46AQI (US)
38AQI (US)
62AQI (US)
86AQI (US)
89AQI (US)
85AQI (US)
86AQI (US)
101AQI (US)
112AQI (US)
110AQI (US)
90AQI (US)
84AQI (US)
86AQI (US)
62AQI (US)
54AQI (US)
58AQI (US)
38AQI (US)
40AQI (US)
73AQI (US)
70AQI (US)
75AQI (US)
78AQI (US)
62AQI (US)
74AQI (US)
64AQI (US)
56AQI (US)
24AQI (US)
29AQI (US)
56AQI (US)
54AQI (US)
45AQI (US)
56AQI (US)
80AQI (US)
70AQI (US)
57AQI (US)
60AQI (US)
28AQI (US)
24AQI (US)
34AQI (US)
22AQI (US)
16AQI (US)
24AQI (US)
24AQI (US)
28AQI (US)
31AQI (US)
33AQI (US)
46AQI (US)
53AQI (US)
47AQI (US)
46AQI (US)
38AQI (US)
28AQI (US)
40AQI (US)
35AQI (US)
40AQI (US)
48AQI (US)
50AQI (US)
52AQI (US)
44AQI (US)
35AQI (US)
20AQI (US)
26AQI (US)
40AQI (US)
25AQI (US)
34AQI (US)
20AQI (US)
59AQI (US)
46AQI (US)
48AQI (US)
52AQI (US)
54AQI (US)
50AQI (US)
54AQI (US)
52AQI (US)
44AQI (US)
26AQI (US)
26AQI (US)
34AQI (US)
28AQI (US)
23AQI (US)
22AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
31AQI (US)
31AQI (US)
31AQI (US)
36AQI (US)
41AQI (US)
46AQI (US)
40AQI (US)
34AQI (US)
32AQI (US)
36AQI (US)
38AQI (US)
44AQI (US)
35AQI (US)
25AQI (US)
26AQI (US)
42AQI (US)
46AQI (US)
44AQI (US)
44AQI (US)
37AQI (US)
38AQI (US)
43AQI (US)
45AQI (US)
36AQI (US)
26AQI (US)
28AQI (US)
38AQI (US)
38AQI (US)
42AQI (US)
50AQI (US)
63AQI (US)
71AQI (US)
84AQI (US)
79AQI (US)
39AQI (US)
26AQI (US)
25AQI (US)
34AQI (US)
35AQI (US)
36AQI (US)
38AQI (US)
33AQI (US)
34AQI (US)
29AQI (US)
28AQI (US)
29AQI (US)
27AQI (US)
34AQI (US)
36AQI (US)
36AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
27AQI (US)
28AQI (US)
36AQI (US)
118AQI (US)
98AQI (US)
60AQI (US)
55AQI (US)
69AQI (US)
47AQI (US)
39AQI (US)
35AQI (US)
38AQI (US)
No. of days
202662AQI (US)
Highest AQI (US) recorded in
January118AQI (US)
Lowest AQI (US) recorded in
August35AQI (US)
202580AQI (US)
Highest AQI (US) recorded in
December120AQI (US)
Lowest AQI (US) recorded in
September47AQI (US)
202475AQI (US)
Highest AQI (US) recorded in
February115AQI (US)
Lowest AQI (US) recorded in
July49AQI (US)
202391AQI (US)
Highest AQI (US) recorded in
January137AQI (US)
Lowest AQI (US) recorded in
September46AQI (US)
202288AQI (US)
Highest AQI (US) recorded in
January126AQI (US)
Lowest AQI (US) recorded in
July57AQI (US)
202181AQI (US)
Highest AQI (US) recorded in
January126AQI (US)
Lowest AQI (US) recorded in
September50AQI (US)
202060AQI (US)
Highest AQI (US) recorded in
December88AQI (US)
Lowest AQI (US) recorded in
August42AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Longba's annual 2026 AQI (US) (62) shows an average percentage change of -20.2% (improved AQI (US)) compared to previous years: 2020 (60), 2021 (81), 2022 (88), 2023 (91), 2024 (75), 2025 (80).