Air Quality
Excellent
No health implications.
16
PM2.5
36
PM10
47
O3
0.5
CO
10
SO2
27
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Jun
119
Light
Tue
24 Jun
116
Light
Wed
25 Jun
115
Light
Thu
26 Jun
112
Light
Fri
27 Jun
103
Light
Sat
28 Jun
81
Good
Sun
29 Jun
17
Excellent
Air quality in the last 12 months (Jiuyuan)
|
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
|
|
|
2024/08
|
33
|
42
|
23
|
27
|
31
|
33
|
24
|
31
|
47
|
39
|
11
|
11
|
21
|
27
|
35
|
35
|
26
|
39
|
22
|
25
|
24
|
29
|
38
|
54
|
28
|
12
|
28
|
41
|
45
|
49
|
43
|
|
2024/07
|
19
|
29
|
35
|
26
|
52
|
42
|
31
|
44
|
52
|
41
|
54
|
36
|
33
|
48
|
41
|
13
|
27
|
28
|
50
|
38
|
118
|
57
|
47
|
49
|
38
|
33
|
27
|
25
|
38
|
22
|
28
|
|
2024/06
|
44
|
62
|
45
|
33
|
38
|
41
|
35
|
49
|
48
|
37
|
64
|
65
|
53
|
16
|
24
|
37
|
55
|
45
|
37
|
41
|
45
|
238
|
168
|
80
|
40
|
66
|
52
|
51
|
20
|
29
|
|
|
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