Air Quality
Excellent
No health implications.
7
PM2.5
13
PM10
27
O3
0.5
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Oct
35
Excellent
Wed
21 Oct
46
Excellent
Thu
22 Oct
64
Good
Fri
23 Oct
69
Good
Sat
24 Oct
74
Good
Sun
25 Oct
83
Good
Mon
26 Oct
28
Excellent
Air quality in the last 12 months (Tieshan)
|
2026/08
|
24
|
29
|
32
|
41
|
51
|
42
|
37
|
29
|
36
|
26
|
16
|
19
|
20
|
27
|
26
|
33
|
38
|
39
|
40
|
33
|
29
|
32
|
25
|
23
|
22
|
27
|
35
|
34
|
31
|
33
|
32
|
|
2026/07
|
31
|
25
|
22
|
19
|
14
|
21
|
15
|
24
|
26
|
30
|
36
|
29
|
40
|
39
|
26
|
31
|
27
|
37
|
32
|
39
|
26
|
23
|
26
|
28
|
41
|
40
|
21
|
18
|
20
|
22
|
25
|
|
2026/06
|
55
|
66
|
37
|
46
|
63
|
49
|
44
|
28
|
37
|
63
|
57
|
41
|
24
|
36
|
47
|
37
|
47
|
39
|
23
|
31
|
29
|
20
|
19
|
25
|
28
|
41
|
67
|
62
|
48
|
21
|
|
|
2026/05
|
45
|
35
|
35
|
41
|
43
|
42
|
44
|
43
|
53
|
52
|
57
|
64
|
60
|
37
|
35
|
30
|
33
|
31
|
24
|
30
|
37
|
34
|
27
|
34
|
35
|
25
|
27
|
39
|
53
|
50
|
60
|
|
2026/04
|
48
|
44
|
35
|
53
|
57
|
63
|
72
|
38
|
31
|
44
|
42
|
44
|
35
|
30
|
37
|
45
|
48
|
56
|
58
|
57
|
30
|
21
|
29
|
44
|
45
|
51
|
58
|
32
|
29
|
39
|
|
|
2026/03
|
28
|
31
|
52
|
70
|
68
|
61
|
75
|
73
|
87
|
70
|
61
|
55
|
56
|
62
|
115
|
25
|
19
|
29
|
60
|
68
|
59
|
72
|
67
|
71
|
78
|
52
|
55
|
56
|
72
|
39
|
39
|
|
2026/02
|
53
|
61
|
71
|
76
|
101
|
88
|
44
|
60
|
58
|
78
|
103
|
95
|
82
|
79
|
73
|
43
|
101
|
76
|
82
|
75
|
45
|
61
|
85
|
34
|
32
|
25
|
41
|
30
|
|||
|
2026/01
|
28
|
47
|
70
|
68
|
67
|
59
|
57
|
68
|
61
|
77
|
72
|
65
|
81
|
75
|
111
|
129
|
189
|
153
|
25
|
45
|
75
|
97
|
93
|
93
|
80
|
133
|
93
|
77
|
59
|
27
|
40
|
|
2025/12
|
91
|
106
|
60
|
79
|
100
|
93
|
111
|
129
|
93
|
124
|
126
|
102
|
38
|
49
|
53
|
62
|
167
|
186
|
126
|
179
|
63
|
43
|
56
|
91
|
75
|
60
|
62
|
87
|
73
|
126
|
96
|
|
2025/11
|
60
|
64
|
69
|
61
|
81
|
46
|
33
|
29
|
42
|
48
|
64
|
38
|
51
|
60
|
79
|
72
|
49
|
33
|
38
|
46
|
51
|
61
|
77
|
62
|
81
|
69
|
94
|
91
|
70
|
70
|
|
|
2025/10
|
43
|
44
|
33
|
53
|
56
|
45
|
52
|
60
|
55
|
53
|
56
|
58
|
28
|
43
|
56
|
39
|
45
|
16
|
17
|
22
|
19
|
28
|
38
|
36
|
58
|
61
|
57
|
79
|
86
|
92
|
43
|
|
2025/09
|
28
|
41
|
33
|
36
|
45
|
47
|
48
|
39
|
29
|
18
|
23
|
30
|
32
|
32
|
29
|
40
|
48
|
27
|
34
|
31
|
34
|
42
|
33
|
22
|
23
|
43
|
47
|
53
|
46
|
40
|
|
|
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