Air Quality
Excellent
No health implications.
16
PM2.5
29
PM10
45
O3
0.5
CO
9
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Feb
127
Light
Tue
17 Feb
160
Moderate
Wed
18 Feb
92
Good
Thu
19 Feb
87
Good
Fri
20 Feb
144
Light
Sat
21 Feb
35
Excellent
Sun
22 Feb
28
Excellent
Jiuyuan Air quality rank
Air quality in the last 12 months (Jiuyuan)
|
2026/01
|
69
|
67
|
135
|
50
|
27
|
51
|
71
|
74
|
142
|
35
|
44
|
91
|
81
|
196
|
98
|
38
|
63
|
43
|
21
|
34
|
51
|
78
|
67
|
86
|
103
|
110
|
82
|
84
|
79
|
57
|
40
|
|
2025/12
|
47
|
30
|
47
|
36
|
63
|
93
|
78
|
48
|
74
|
77
|
47
|
52
|
86
|
89
|
106
|
82
|
78
|
85
|
64
|
37
|
57
|
67
|
70
|
50
|
35
|
65
|
60
|
57
|
52
|
33
|
41
|
|
2025/11
|
44
|
38
|
55
|
75
|
62
|
60
|
49
|
81
|
62
|
56
|
67
|
55
|
51
|
69
|
88
|
20
|
21
|
37
|
55
|
41
|
66
|
106
|
116
|
125
|
67
|
181
|
63
|
114
|
144
|
147
|
|
|
2025/10
|
56
|
31
|
38
|
42
|
59
|
52
|
32
|
24
|
24
|
32
|
29
|
44
|
55
|
53
|
30
|
40
|
16
|
28
|
22
|
38
|
48
|
48
|
49
|
76
|
35
|
20
|
46
|
64
|
62
|
40
|
29
|
|
2025/09
|
33
|
61
|
63
|
44
|
47
|
39
|
25
|
46
|
58
|
53
|
30
|
28
|
42
|
40
|
35
|
20
|
18
|
26
|
36
|
48
|
38
|
25
|
36
|
44
|
51
|
51
|
38
|
28
|
46
|
55
|
|
|
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
|
|||
|
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