Air Quality
Excellent
No health implications.
9
PM2.5
18
PM10
67
O3
0.5
CO
2
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jul
46
Excellent
Tue
15 Jul
42
Excellent
Wed
16 Jul
48
Excellent
Thu
17 Jul
48
Excellent
Fri
18 Jul
50
Excellent
Sat
19 Jul
39
Excellent
Sun
20 Jul
45
Excellent
Air quality in the last 12 months (Tieshangang)
|
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
|
|
|
2024/10
|
39
|
28
|
46
|
55
|
52
|
53
|
58
|
65
|
53
|
50
|
56
|
46
|
40
|
31
|
26
|
30
|
18
|
14
|
20
|
30
|
37
|
44
|
23
|
32
|
38
|
45
|
36
|
25
|
31
|
37
|
55
|
|
2024/09
|
21
|
22
|
27
|
34
|
47
|
32
|
19
|
30
|
29
|
19
|
26
|
36
|
42
|
48
|
43
|
36
|
29
|
26
|
31
|
30
|
32
|
19
|
25
|
30
|
43
|
48
|
47
|
24
|
26
|
28
|
|
|
2024/08
|
25
|
24
|
21
|
16
|
23
|
20
|
21
|
22
|
24
|
26
|
22
|
23
|
22
|
25
|
20
|
27
|
24
|
18
|
18
|
19
|
25
|
23
|
23
|
22
|
24
|
21
|
21
|
19
|
21
|
30
|
26
|
|
2024/07
|
26
|
27
|
21
|
16
|
13
|
11
|
14
|
15
|
15
|
17
|
17
|
18
|
17
|
16
|
21
|
20
|
13
|
15
|
16
|
17
|
18
|
14
|
15
|
16
|
17
|
28
|
23
|
25
|
17
|
10
|
17
|
|
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