Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
29
PM2.5
56
*
PM10
5
O3
1.4
CO
12
SO2
47
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
12 Oct
65
Good
Mon
13 Oct
60
Good
Tue
14 Oct
85
Good
Wed
15 Oct
80
Good
Thu
16 Oct
83
Good
Fri
17 Oct
48
Excellent
Sat
18 Oct
27
Excellent
Air quality in the last 12 months (Jiuyuan)
|
2025/08
|
31
|
35
|
34
|
34
|
46
|
39
|
32
|
26
|
30
|
26
|
42
|
45
|
33
|
45
|
43
|
17
|
35
|
29
|
15
|
29
|
35
|
39
|
25
|
30
|
38
|
31
|
23
|
33
|
35
|
38
|
33
|
|
2025/07
|
28
|
26
|
35
|
39
|
16
|
27
|
35
|
33
|
23
|
31
|
23
|
51
|
39
|
41
|
41
|
16
|
25
|
46
|
20
|
12
|
24
|
40
|
30
|
27
|
18
|
21
|
20
|
32
|
17
|
20
|
25
|
|
2025/06
|
29
|
24
|
23
|
20
|
33
|
32
|
30
|
29
|
33
|
25
|
47
|
56
|
28
|
24
|
16
|
26
|
41
|
41
|
17
|
25
|
32
|
30
|
39
|
44
|
44
|
27
|
38
|
34
|
39
|
34
|
|
|
2025/05
|
49
|
43
|
29
|
82
|
153
|
61
|
74
|
71
|
30
|
33
|
52
|
65
|
70
|
18
|
42
|
167
|
29
|
64
|
63
|
65
|
41
|
22
|
42
|
53
|
52
|
37
|
41
|
50
|
55
|
41
|
16
|
|
2025/04
|
46
|
38
|
108
|
70
|
37
|
84
|
57
|
50
|
45
|
61
|
202
|
67
|
55
|
26
|
60
|
185
|
51
|
44
|
60
|
68
|
61
|
74
|
51
|
34
|
50
|
57
|
17
|
47
|
65
|
60
|
|
|
2025/03
|
82
|
41
|
44
|
57
|
41
|
34
|
50
|
71
|
85
|
123
|
207
|
87
|
63
|
62
|
26
|
41
|
34
|
29
|
45
|
47
|
64
|
87
|
229
|
186
|
117
|
211
|
111
|
37
|
27
|
27
|
48
|
|
2025/02
|
83
|
26
|
20
|
36
|
45
|
81
|
28
|
31
|
53
|
74
|
66
|
78
|
64
|
89
|
86
|
34
|
62
|
26
|
39
|
31
|
42
|
22
|
30
|
65
|
57
|
73
|
82
|
77
|
|||
|
2025/01
|
79
|
29
|
56
|
84
|
76
|
42
|
47
|
23
|
44
|
61
|
63
|
41
|
82
|
24
|
65
|
76
|
79
|
86
|
72
|
82
|
81
|
82
|
119
|
110
|
112
|
138
|
28
|
70
|
319
|
131
|
102
|
|
2024/12
|
52
|
33
|
59
|
34
|
45
|
31
|
29
|
58
|
61
|
75
|
59
|
97
|
86
|
62
|
67
|
73
|
42
|
46
|
75
|
41
|
26
|
63
|
63
|
74
|
62
|
33
|
61
|
66
|
204
|
89
|
71
|
|
2024/11
|
69
|
72
|
32
|
23
|
54
|
59
|
69
|
72
|
71
|
45
|
71
|
65
|
67
|
73
|
76
|
88
|
47
|
61
|
50
|
79
|
70
|
69
|
76
|
59
|
44
|
67
|
51
|
49
|
68
|
64
|
|
|
2024/10
|
21
|
30
|
47
|
52
|
55
|
25
|
40
|
53
|
47
|
37
|
57
|
58
|
33
|
44
|
26
|
66
|
75
|
21
|
29
|
33
|
37
|
31
|
45
|
62
|
57
|
42
|
32
|
54
|
49
|
46
|
56
|
|
2024/09
|
14
|
22
|
41
|
22
|
16
|
19
|
37
|
41
|
50
|
34
|
27
|
31
|
17
|
14
|
29
|
26
|
31
|
48
|
53
|
13
|
15
|
29
|
46
|
47
|
37
|
48
|
54
|
56
|
22
|
33
|
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution