Yichuan County Environmental Protection Bureau, Hancheng, 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
Yichuan County Environmental Protection Bureau, Hancheng, Shaanxi, China
AQI Trends: Highest and Lowest
Same Day Analysis (14th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 101 of Poor air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Oct - 15th Oct 2025
Yichuan County Environmental Protection Bureau, Hancheng, Shaanxi, China
6 AM14th Oct 2025
6 PM
5 AM15th Oct 2025
123AQI
73AQI
87AQI
65AQI
In the last 24 hours,
Yichuan County Environmental Protection Bureau's AQI reached its highest point of 123 at 10 AM during the Day, while the lowest point, 65, was recorded at 3 AM during the Night between 14th Oct and 15th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Yichuan County Environmental Protection Bureau, Hancheng, Shaanxi, China
22°C15/26°C
19°C16/22°C
13°C10/15°C
12°C10/12°C
12°C7/17°C
14°C9/18°C
11°C7/11°C
11°C8/15°C
14°C13/17°C
16°C8/23°C
17°C12/22°C
15°C13/18°C
15°C12/17°C
16°C11/19°C
16°C10/19°C
17°C11/22°C
14°C10/15°C
13°C9/16°C
16°C11/19°C
15°C14/16°C
14°C12/15°C
12°C10/14°C
13°C11/15°C
16°C12/18°C
15°C13/16°C
13°C12/14°C
11°C9/13°C
10°C8/12°C
12°C7/17°C
14°C9/19°C
--°C/°C
63AQI
54AQI
66AQI
63AQI
2025 Days Vs Air Quality
Yichuan County Environmental Protection Bureau, Hancheng, Shaanxi, China
5%
15
71%
205
19%
55
3%
9
1%
3
Total number of days with different AQI categories in last 288 days in 2025 (77 days remaining)
Under WHO’s Safe Air Quality Limits: 5%
Health Risk Level:
Extreme
In 2025, 5% of 288 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
Yichuan County Environmental Protection Bureau, Hancheng, Shaanxi, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
98AQI
90AQI
95AQI
106AQI
103AQI
79AQI
78AQI
69AQI
76AQI
86AQI
81AQI
80AQI
113AQI
73AQI
78AQI
79AQI
90AQI
98AQI
98AQI
97AQI
104AQI
142AQI
161AQI
185AQI
116AQI
101AQI
75AQI
95AQI
107AQI
115AQI
120AQI
140AQI
110AQI
86AQI
80AQI
64AQI
123AQI
56AQI
60AQI
72AQI
86AQI
98AQI
81AQI
80AQI
81AQI
85AQI
84AQI
100AQI
105AQI
118AQI
122AQI
136AQI
102AQI
79AQI
82AQI
92AQI
94AQI
110AQI
113AQI
142AQI
106AQI
98AQI
109AQI
94AQI
116AQI
113AQI
116AQI
114AQI
131AQI
158AQI
141AQI
123AQI
129AQI
82AQI
73AQI
61AQI
60AQI
60AQI
55AQI
70AQI
77AQI
110AQI
289AQI
236AQI
180AQI
154AQI
115AQI
89AQI
86AQI
76AQI
71AQI
68AQI
100AQI
101AQI
75AQI
106AQI
107AQI
112AQI
106AQI
89AQI
150AQI
143AQI
120AQI
69AQI
75AQI
129AQI
135AQI
129AQI
110AQI
106AQI
185AQI
168AQI
106AQI
82AQI
81AQI
83AQI
69AQI
57AQI
61AQI
132AQI
85AQI
109AQI
63AQI
93AQI
227AQI
170AQI
161AQI
138AQI
105AQI
90AQI
71AQI
79AQI
83AQI
76AQI
78AQI
94AQI
103AQI
92AQI
85AQI
93AQI
95AQI
133AQI
90AQI
108AQI
78AQI
78AQI
78AQI
90AQI
90AQI
97AQI
67AQI
76AQI
61AQI
49AQI
51AQI
56AQI
61AQI
68AQI
62AQI
66AQI
64AQI
71AQI
76AQI
76AQI
65AQI
59AQI
63AQI
63AQI
64AQI
61AQI
62AQI
63AQI
65AQI
68AQI
66AQI
64AQI
61AQI
63AQI
56AQI
58AQI
53AQI
57AQI
56AQI
51AQI
52AQI
45AQI
49AQI
51AQI
54AQI
63AQI
65AQI
75AQI
77AQI
74AQI
72AQI
68AQI
59AQI
60AQI
69AQI
73AQI
58AQI
61AQI
70AQI
59AQI
56AQI
62AQI
59AQI
64AQI
63AQI
61AQI
60AQI
63AQI
64AQI
63AQI
64AQI
67AQI
61AQI
57AQI
62AQI
63AQI
57AQI
56AQI
59AQI
57AQI
59AQI
66AQI
62AQI
54AQI
58AQI
57AQI
58AQI
56AQI
50AQI
54AQI
45AQI
50AQI
55AQI
61AQI
56AQI
54AQI
47AQI
51AQI
49AQI
53AQI
59AQI
46AQI
38AQI
55AQI
54AQI
60AQI
62AQI
58AQI
63AQI
54AQI
52AQI
55AQI
62AQI
67AQI
63AQI
51AQI
47AQI
46AQI
53AQI
54AQI
52AQI
48AQI
52AQI
60AQI
64AQI
42AQI
55AQI
73AQI
78AQI
78AQI
60AQI
67AQI
86AQI
59AQI
61AQI
67AQI
77AQI
66AQI
48AQI
60AQI
61AQI
75AQI
101AQI
100AQI
94AQI
115AQI
104AQI
100AQI
63AQI
61AQI
57AQI
56AQI
69AQI
No. of days
202583AQI
Highest AQI recorded in
March115AQI
Lowest AQI recorded in
September56AQI
202475AQI
Highest AQI recorded in
February112AQI
Lowest AQI recorded in
July52AQI
202378AQI
Highest AQI recorded in
March142AQI
Lowest AQI recorded in
September38AQI
202279AQI
Highest AQI recorded in
January110AQI
Lowest AQI recorded in
August54AQI
202178AQI
Highest AQI recorded in
March153AQI
Lowest AQI recorded in
July51AQI
202082AQI
Highest AQI recorded in
November107AQI
Lowest AQI recorded in
August62AQI
Most & Least Polluted Years Over the Last 6 Years
Yichuan County Environmental Protection Bureau's annual 2025 AQI (83) shows an average percentage change of 5.5% (worsened AQI) compared to previous years: 2020 (82), 2021 (78), 2022 (79), 2023 (78), 2024 (75).