Air Quality
Excellent
No health implications.
3
PM2.5
11
PM10
48
O3
0.5
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jul
60
Good
Thu
23 Jul
58
Good
Fri
24 Jul
63
Good
Sat
25 Jul
87
Good
Sun
26 Jul
90
Good
Mon
27 Jul
85
Good
Tue
28 Jul
20
Excellent
Air quality in the last 12 months (Tieshan)
|
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
|
|
|
2025/08
|
33
|
27
|
35
|
35
|
32
|
26
|
22
|
24
|
25
|
35
|
22
|
31
|
34
|
25
|
17
|
27
|
26
|
28
|
32
|
26
|
28
|
22
|
19
|
26
|
29
|
29
|
29
|
29
|
38
|
40
|
22
|
|
2025/07
|
19
|
22
|
25
|
33
|
40
|
34
|
38
|
37
|
18
|
23
|
31
|
20
|
23
|
34
|
29
|
29
|
32
|
25
|
33
|
25
|
19
|
11
|
15
|
27
|
24
|
23
|
20
|
20
|
23
|
26
|
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