Air Quality
Excellent
No health implications.
9
PM2.5
26
PM10
58
O3
0.6
CO
10
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Jan
60
Good
Fri
10 Jan
65
Good
Sat
11 Jan
97
Good
Sun
12 Jan
94
Good
Mon
13 Jan
84
Good
Tue
14 Jan
64
Good
Wed
15 Jan
52
Good
Air quality in the last 12 months (Jiuyuan)
|
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
|
|
2024/04
|
75
|
51
|
45
|
66
|
46
|
49
|
56
|
66
|
66
|
86
|
83
|
98
|
69
|
287
|
116
|
46
|
69
|
80
|
65
|
28
|
65
|
160
|
40
|
99
|
245
|
76
|
120
|
38
|
21
|
28
|
|
|
2024/03
|
60
|
84
|
66
|
73
|
30
|
39
|
43
|
47
|
65
|
81
|
32
|
42
|
68
|
76
|
82
|
234
|
50
|
157
|
44
|
55
|
113
|
61
|
81
|
70
|
61
|
76
|
248
|
338
|
108
|
42
|
66
|
|
2024/02
|
53
|
108
|
84
|
87
|
74
|
33
|
114
|
163
|
189
|
275
|
124
|
95
|
87
|
31
|
42
|
68
|
73
|
207
|
106
|
60
|
32
|
29
|
57
|
90
|
101
|
75
|
91
|
55
|
28
|
||
|
2024/01
|
198
|
130
|
73
|
68
|
63
|
30
|
75
|
107
|
52
|
88
|
133
|
160
|
125
|
38
|
75
|
91
|
141
|
174
|
133
|
28
|
23
|
45
|
63
|
99
|
144
|
207
|
186
|
193
|
151
|
128
|
61
|
|
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