Yanan, Shaanxi, 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
Yanan, Shaanxi, China
AQI Trends: Highest and Lowest
Same Day Analysis (13th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 66 of Moderate air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Oct - 15th Oct 2025
Yanan, Shaanxi, China
6 AM14th Oct 2025
6 PM
5 AM15th Oct 2025
AQI
AQI
100AQI
60AQI
In the last 24 hours,
Yanan's AQI reached its highest point of 100 at 7 AM during the Night, while the lowest point, 60, was recorded at 2 PM during the Night between 14th Oct and 15th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Yanan, Shaanxi, China
21°C18/26°C
19°C17/23°C
13°C11/14°C
12°C10/14°C
13°C9/18°C
15°C10/21°C
11°C9/14°C
12°C9/16°C
15°C11/21°C
16°C11/23°C
16°C12/23°C
15°C11/20°C
17°C13/22°C
17°C13/22°C
17°C11/23°C
18°C13/25°C
15°C11/18°C
13°C10/17°C
16°C11/21°C
15°C13/16°C
13°C12/14°C
12°C10/14°C
13°C12/14°C
16°C13/18°C
12°C11/13°C
11°C10/12°C
12°C10/16°C
11°C9/12°C
12°C7/18°C
--°C/°C
--°C/°C
59AQI
55AQI
59AQI
56AQI
2025 Days Vs Air Quality
Yanan, Shaanxi, China
7%
19
74%
212
14%
41
3%
8
2%
5
0.3%
1
Total number of days with different AQI categories in last 287 days in 2025 (78 days remaining)
Under WHO’s Safe Air Quality Limits: 7%
Health Risk Level:
Extreme
In 2025, 7% of 287 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
Yanan, Shaanxi, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
104AQI
96AQI
100AQI
116AQI
105AQI
89AQI
90AQI
76AQI
84AQI
89AQI
90AQI
91AQI
121AQI
71AQI
87AQI
83AQI
98AQI
107AQI
100AQI
100AQI
105AQI
127AQI
149AQI
168AQI
102AQI
94AQI
73AQI
105AQI
124AQI
120AQI
115AQI
123AQI
84AQI
86AQI
78AQI
65AQI
144AQI
55AQI
68AQI
78AQI
91AQI
98AQI
84AQI
92AQI
84AQI
85AQI
80AQI
86AQI
88AQI
89AQI
92AQI
106AQI
62AQI
65AQI
66AQI
80AQI
79AQI
88AQI
86AQI
114AQI
91AQI
78AQI
76AQI
82AQI
86AQI
93AQI
94AQI
92AQI
99AQI
223AQI
123AQI
107AQI
100AQI
72AQI
68AQI
64AQI
66AQI
61AQI
64AQI
75AQI
82AQI
173AQI
382AQI
259AQI
236AQI
155AQI
114AQI
92AQI
85AQI
74AQI
74AQI
71AQI
103AQI
109AQI
86AQI
103AQI
107AQI
124AQI
99AQI
89AQI
152AQI
120AQI
138AQI
74AQI
84AQI
135AQI
126AQI
129AQI
117AQI
108AQI
241AQI
143AQI
105AQI
84AQI
88AQI
82AQI
67AQI
63AQI
79AQI
152AQI
88AQI
129AQI
71AQI
102AQI
216AQI
179AQI
158AQI
153AQI
101AQI
96AQI
74AQI
82AQI
87AQI
81AQI
80AQI
136AQI
100AQI
104AQI
94AQI
96AQI
93AQI
122AQI
94AQI
110AQI
79AQI
74AQI
72AQI
80AQI
82AQI
87AQI
61AQI
69AQI
55AQI
45AQI
47AQI
54AQI
59AQI
64AQI
55AQI
64AQI
59AQI
67AQI
72AQI
71AQI
67AQI
61AQI
62AQI
65AQI
65AQI
62AQI
61AQI
59AQI
54AQI
58AQI
63AQI
62AQI
58AQI
60AQI
56AQI
59AQI
55AQI
53AQI
48AQI
48AQI
50AQI
48AQI
51AQI
51AQI
49AQI
55AQI
59AQI
66AQI
70AQI
69AQI
67AQI
67AQI
58AQI
58AQI
64AQI
66AQI
55AQI
57AQI
63AQI
58AQI
54AQI
55AQI
52AQI
56AQI
59AQI
58AQI
57AQI
61AQI
63AQI
63AQI
63AQI
64AQI
60AQI
60AQI
61AQI
60AQI
56AQI
56AQI
59AQI
60AQI
58AQI
63AQI
59AQI
50AQI
51AQI
54AQI
54AQI
55AQI
51AQI
52AQI
46AQI
53AQI
56AQI
59AQI
55AQI
52AQI
48AQI
50AQI
50AQI
52AQI
60AQI
49AQI
39AQI
60AQI
56AQI
60AQI
62AQI
61AQI
62AQI
56AQI
51AQI
58AQI
62AQI
65AQI
60AQI
53AQI
52AQI
48AQI
50AQI
53AQI
45AQI
48AQI
52AQI
54AQI
60AQI
53AQI
63AQI
66AQI
61AQI
67AQI
55AQI
57AQI
66AQI
62AQI
58AQI
68AQI
60AQI
52AQI
44AQI
58AQI
65AQI
66AQI
103AQI
85AQI
115AQI
108AQI
103AQI
60AQI
57AQI
56AQI
56AQI
60AQI
No. of days
202582AQI
Highest AQI recorded in
March115AQI
Lowest AQI recorded in
September56AQI
202481AQI
Highest AQI recorded in
February135AQI
Lowest AQI recorded in
August59AQI
202384AQI
Highest AQI recorded in
February119AQI
Lowest AQI recorded in
July60AQI
202288AQI
Highest AQI recorded in
January122AQI
Lowest AQI recorded in
July59AQI
202192AQI
Highest AQI recorded in
March190AQI
Lowest AQI recorded in
September52AQI
202083AQI
Highest AQI recorded in
March113AQI
Lowest AQI recorded in
August58AQI
Most & Least Polluted Years Over the Last 6 Years
Yanan's annual 2025 AQI (82) shows an average percentage change of -4.4% (improved AQI) compared to previous years: 2020 (83), 2021 (92), 2022 (88), 2023 (84), 2024 (81).