The Town Of Miyun, Sanhe, Hebei, 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
The Town Of Miyun, Sanhe, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (17th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 105 of Poor air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Oct - 18th Oct 2025
The Town Of Miyun, Sanhe, Hebei, China
6 AM17th Oct 2025
5 PM
5 AM18th Oct 2025
AQI
AQI
114AQI
24AQI
In the last 24 hours,
The Town Of Miyun's AQI reached its highest point of 114 at 6 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
The Town Of Miyun, Sanhe, Hebei, China
16°C11/22°C
16°C12/20°C
17°C12/24°C
18°C13/23°C
14°C12/16°C
14°C12/18°C
16°C11/23°C
19°C14/24°C
20°C16/24°C
17°C14/18°C
18°C13/25°C
19°C15/26°C
19°C14/25°C
20°C16/26°C
19°C15/24°C
16°C14/20°C
18°C14/22°C
16°C13/18°C
13°C9/18°C
16°C12/21°C
10°C6/14°C
8°C7/9°C
10°C8/15°C
12°C9/16°C
13°C10/15°C
13°C9/18°C
14°C11/19°C
14°C12/17°C
11°C9/12°C
--°C/°C
--°C/°C
65AQI
61AQI
73AQI
62AQI
2025 Days Vs Air Quality
The Town Of Miyun, Sanhe, Hebei, China
15%
43
72%
209
11%
33
2%
5
Total number of days with different AQI categories in last 290 days in 2025 (75 days remaining)
Under WHO’s Safe Air Quality Limits: 15%
Health Risk Level:
Extreme
In 2025, 15% of 290 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
The Town Of Miyun, Sanhe, Hebei, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
72AQI
61AQI
67AQI
79AQI
61AQI
46AQI
43AQI
35AQI
39AQI
41AQI
50AQI
49AQI
61AQI
38AQI
54AQI
57AQI
80AQI
105AQI
64AQI
96AQI
57AQI
91AQI
122AQI
140AQI
161AQI
115AQI
69AQI
67AQI
92AQI
84AQI
123AQI
126AQI
87AQI
61AQI
49AQI
48AQI
44AQI
37AQI
41AQI
37AQI
87AQI
129AQI
70AQI
103AQI
77AQI
98AQI
47AQI
56AQI
46AQI
46AQI
40AQI
40AQI
40AQI
40AQI
55AQI
51AQI
70AQI
123AQI
132AQI
184AQI
87AQI
101AQI
85AQI
111AQI
59AQI
130AQI
131AQI
163AQI
165AQI
191AQI
90AQI
138AQI
101AQI
101AQI
60AQI
58AQI
52AQI
53AQI
42AQI
48AQI
60AQI
115AQI
47AQI
64AQI
80AQI
51AQI
61AQI
51AQI
63AQI
80AQI
59AQI
52AQI
81AQI
86AQI
50AQI
89AQI
75AQI
81AQI
76AQI
99AQI
118AQI
95AQI
91AQI
84AQI
81AQI
125AQI
86AQI
65AQI
68AQI
105AQI
108AQI
61AQI
77AQI
49AQI
70AQI
107AQI
59AQI
79AQI
92AQI
62AQI
62AQI
64AQI
51AQI
65AQI
81AQI
61AQI
103AQI
118AQI
58AQI
88AQI
86AQI
108AQI
94AQI
71AQI
77AQI
115AQI
63AQI
87AQI
76AQI
119AQI
97AQI
113AQI
82AQI
77AQI
87AQI
85AQI
66AQI
91AQI
98AQI
106AQI
100AQI
108AQI
60AQI
49AQI
44AQI
69AQI
50AQI
54AQI
68AQI
61AQI
56AQI
68AQI
81AQI
79AQI
81AQI
60AQI
52AQI
63AQI
69AQI
64AQI
56AQI
54AQI
54AQI
58AQI
63AQI
66AQI
65AQI
76AQI
67AQI
76AQI
68AQI
66AQI
68AQI
64AQI
69AQI
62AQI
59AQI
63AQI
66AQI
67AQI
64AQI
72AQI
74AQI
61AQI
63AQI
67AQI
63AQI
58AQI
61AQI
71AQI
47AQI
52AQI
68AQI
67AQI
63AQI
64AQI
68AQI
65AQI
50AQI
41AQI
43AQI
57AQI
67AQI
70AQI
59AQI
64AQI
53AQI
61AQI
53AQI
61AQI
45AQI
55AQI
63AQI
62AQI
52AQI
59AQI
71AQI
55AQI
60AQI
64AQI
57AQI
55AQI
59AQI
51AQI
50AQI
53AQI
52AQI
55AQI
52AQI
49AQI
63AQI
64AQI
59AQI
57AQI
70AQI
73AQI
90AQI
88AQI
64AQI
63AQI
63AQI
77AQI
67AQI
76AQI
80AQI
79AQI
63AQI
54AQI
46AQI
44AQI
42AQI
53AQI
51AQI
65AQI
55AQI
58AQI
71AQI
49AQI
51AQI
90AQI
66AQI
43AQI
50AQI
58AQI
65AQI
74AQI
77AQI
89AQI
58AQI
76AQI
60AQI
42AQI
53AQI
56AQI
68AQI
76AQI
95AQI
99AQI
135AQI
105AQI
75AQI
67AQI
91AQI
81AQI
85AQI
65AQI
62AQI
58AQI
63AQI
76AQI
No. of days
202572AQI
Highest AQI recorded in
March91AQI
Lowest AQI recorded in
August58AQI
202476AQI
Highest AQI recorded in
March97AQI
Lowest AQI recorded in
September50AQI
202383AQI
Highest AQI recorded in
March115AQI
Lowest AQI recorded in
July66AQI
202278AQI
Highest AQI recorded in
January96AQI
Lowest AQI recorded in
December54AQI
202183AQI
Highest AQI recorded in
March159AQI
Lowest AQI recorded in
October58AQI
202073AQI
Highest AQI recorded in
October89AQI
Lowest AQI recorded in
September52AQI
Most & Least Polluted Years Over the Last 6 Years
The Town Of Miyun's annual 2025 AQI (72) shows an average percentage change of -7.8% (improved AQI) compared to previous years: 2020 (73), 2021 (83), 2022 (78), 2023 (83), 2024 (76).