Air Quality
Excellent
No health implications.
9
PM2.5
25
PM10
146
O3
0.5
CO
11
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Jun
83
Good
Sat
7 Jun
106
Light
Sun
8 Jun
113
Light
Mon
9 Jun
88
Good
Tue
10 Jun
92
Good
Wed
11 Jun
88
Good
Thu
12 Jun
42
Excellent
Air quality in the last 12 months (Jiuyuan)
|
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
|
|
|
2024/05
|
45
|
59
|
57
|
43
|
51
|
46
|
37
|
55
|
65
|
143
|
48
|
34
|
48
|
95
|
45
|
80
|
83
|
114
|
165
|
60
|
67
|
63
|
64
|
55
|
44
|
19
|
36
|
48
|
70
|
53
|
17
|
|
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