Air Quality
Excellent
No health implications.
25
PM2.5
39
PM10
9
O3
0.7
CO
10
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Apr
44
Excellent
Thu
23 Apr
39
Excellent
Fri
24 Apr
48
Excellent
Sat
25 Apr
62
Good
Sun
26 Apr
52
Good
Mon
27 Apr
17
Excellent
Tue
28 Apr
43
Excellent
Air quality in the last 12 months (Tieshangang)
|
2026/03
|
24
|
46
|
20
|
23
|
28
|
36
|
41
|
50
|
44
|
19
|
34
|
65
|
56
|
48
|
45
|
46
|
33
|
29
|
43
|
27
|
44
|
28
|
28
|
28
|
32
|
29
|
29
|
39
|
34
|
34
|
43
|
|
2026/02
|
41
|
54
|
61
|
47
|
44
|
41
|
65
|
41
|
47
|
46
|
46
|
44
|
45
|
53
|
46
|
39
|
145
|
65
|
66
|
46
|
55
|
36
|
37
|
39
|
60
|
37
|
38
|
25
|
|||
|
2026/01
|
54
|
35
|
38
|
50
|
55
|
38
|
48
|
60
|
64
|
82
|
77
|
60
|
78
|
91
|
57
|
53
|
75
|
81
|
45
|
50
|
59
|
36
|
57
|
81
|
74
|
46
|
66
|
61
|
53
|
39
|
42
|
|
2025/12
|
67
|
44
|
55
|
76
|
74
|
87
|
80
|
78
|
80
|
78
|
75
|
58
|
37
|
42
|
55
|
50
|
54
|
51
|
49
|
43
|
63
|
50
|
34
|
29
|
27
|
39
|
52
|
67
|
75
|
74
|
75
|
|
2025/11
|
38
|
42
|
32
|
9
|
14
|
33
|
33
|
28
|
32
|
28
|
17
|
20
|
35
|
43
|
43
|
55
|
63
|
39
|
25
|
33
|
40
|
48
|
64
|
61
|
42
|
53
|
49
|
59
|
64
|
64
|
|
|
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
|
|
|
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