Air Quality
Excellent
No health implications.
18
PM2.5
28
PM10
113
O3
0.2
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Nov
63
Good
Sun
23 Nov
64
Good
Mon
24 Nov
55
Good
Tue
25 Nov
65
Good
Wed
26 Nov
68
Good
Thu
27 Nov
62
Good
Fri
28 Nov
31
Excellent
Tieshangang Air quality rank
Air quality in the last 12 months (Tieshangang)
|
2025/10
|
21
|
15
|
21
|
22
|
23
|
21
|
22
|
34
|
43
|
35
|
35
|
25
|
19
|
17
|
18
|
25
|
31
|
36
|
40
|
25
|
27
|
25
|
24
|
35
|
43
|
49
|
50
|
45
|
53
|
59
|
40
|
|
2025/09
|
16
|
15
|
16
|
14
|
12
|
13
|
27
|
25
|
16
|
12
|
15
|
15
|
15
|
13
|
20
|
14
|
14
|
19
|
22
|
33
|
29
|
17
|
25
|
20
|
12
|
15
|
22
|
18
|
15
|
16
|
|
|
2025/08
|
15
|
20
|
28
|
31
|
21
|
15
|
18
|
27
|
25
|
21
|
19
|
24
|
22
|
15
|
19
|
17
|
17
|
10
|
17
|
19
|
22
|
17
|
17
|
19
|
10
|
14
|
17
|
25
|
19
|
13
|
16
|
|
2025/07
|
17
|
14
|
19
|
22
|
22
|
27
|
14
|
18
|
26
|
23
|
19
|
20
|
19
|
17
|
17
|
23
|
17
|
23
|
20
|
20
|
11
|
16
|
16
|
16
|
21
|
16
|
19
|
12
|
19
|
18
|
20
|
|
2025/06
|
21
|
26
|
19
|
30
|
16
|
14
|
17
|
22
|
21
|
28
|
19
|
15
|
13
|
12
|
20
|
17
|
21
|
21
|
16
|
23
|
21
|
17
|
21
|
18
|
13
|
23
|
12
|
14
|
13
|
14
|
|
|
2025/05
|
33
|
28
|
21
|
29
|
26
|
33
|
34
|
23
|
19
|
26
|
37
|
38
|
32
|
22
|
12
|
14
|
19
|
24
|
27
|
26
|
21
|
22
|
18
|
22
|
20
|
37
|
42
|
28
|
18
|
20
|
13
|
|
2025/04
|
33
|
52
|
51
|
41
|
64
|
62
|
60
|
42
|
33
|
36
|
34
|
48
|
161
|
163
|
112
|
93
|
82
|
62
|
38
|
30
|
30
|
27
|
31
|
47
|
25
|
29
|
20
|
25
|
36
|
32
|
|
|
2025/03
|
30
|
20
|
43
|
40
|
39
|
18
|
26
|
26
|
36
|
47
|
35
|
29
|
28
|
20
|
27
|
23
|
39
|
47
|
52
|
59
|
67
|
59
|
47
|
43
|
35
|
32
|
35
|
44
|
22
|
14
|
23
|
|
2025/02
|
38
|
49
|
20
|
26
|
60
|
68
|
28
|
44
|
62
|
71
|
90
|
45
|
59
|
41
|
56
|
50
|
64
|
55
|
58
|
39
|
77
|
83
|
35
|
35
|
125
|
70
|
63
|
29
|
|||
|
2025/01
|
122
|
110
|
109
|
100
|
111
|
133
|
100
|
99
|
105
|
59
|
60
|
63
|
84
|
86
|
53
|
80
|
85
|
84
|
142
|
136
|
120
|
88
|
81
|
60
|
50
|
32
|
42
|
61
|
172
|
55
|
38
|
|
2024/12
|
50
|
49
|
48
|
52
|
47
|
76
|
73
|
35
|
49
|
51
|
42
|
45
|
57
|
62
|
56
|
62
|
73
|
76
|
61
|
75
|
108
|
84
|
92
|
96
|
104
|
103
|
95
|
82
|
98
|
85
|
108
|
|
2024/11
|
49
|
44
|
60
|
41
|
58
|
67
|
61
|
57
|
65
|
65
|
49
|
62
|
70
|
56
|
49
|
41
|
45
|
36
|
35
|
33
|
32
|
42
|
44
|
53
|
36
|
27
|
40
|
40
|
42
|
54
|
|
|
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