Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
39
O3
0.2
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jul
42
Excellent
Thu
17 Jul
43
Excellent
Fri
18 Jul
47
Excellent
Sat
19 Jul
76
Good
Sun
20 Jul
58
Good
Mon
21 Jul
30
Excellent
Tue
22 Jul
24
Excellent
Air quality in the last 12 months (Tiexi)
|
2025/06
|
25
|
46
|
26
|
18
|
33
|
29
|
26
|
40
|
32
|
17
|
21
|
31
|
35
|
32
|
37
|
23
|
37
|
36
|
33
|
20
|
20
|
29
|
37
|
46
|
46
|
46
|
45
|
33
|
43
|
17
|
|
|
2025/05
|
23
|
30
|
25
|
30
|
37
|
29
|
47
|
51
|
37
|
38
|
44
|
59
|
54
|
62
|
51
|
37
|
30
|
34
|
36
|
39
|
45
|
46
|
35
|
40
|
36
|
42
|
46
|
56
|
50
|
58
|
59
|
|
2025/04
|
98
|
96
|
95
|
64
|
41
|
38
|
54
|
61
|
82
|
82
|
72
|
36
|
14
|
29
|
43
|
41
|
50
|
31
|
37
|
55
|
70
|
27
|
43
|
80
|
83
|
115
|
50
|
53
|
73
|
52
|
|
|
2025/03
|
90
|
35
|
46
|
50
|
79
|
72
|
59
|
87
|
101
|
99
|
66
|
132
|
37
|
48
|
61
|
66
|
79
|
74
|
85
|
96
|
85
|
248
|
142
|
104
|
152
|
127
|
49
|
35
|
36
|
49
|
83
|
|
2025/02
|
143
|
170
|
68
|
77
|
75
|
73
|
56
|
42
|
67
|
67
|
68
|
72
|
71
|
87
|
91
|
50
|
39
|
42
|
52
|
60
|
61
|
59
|
59
|
62
|
116
|
58
|
84
|
117
|
|||
|
2025/01
|
42
|
37
|
47
|
72
|
90
|
107
|
52
|
52
|
65
|
76
|
88
|
95
|
88
|
57
|
49
|
56
|
66
|
81
|
77
|
64
|
71
|
96
|
89
|
87
|
78
|
93
|
129
|
68
|
103
|
79
|
99
|
|
2024/12
|
35
|
27
|
38
|
31
|
38
|
39
|
45
|
53
|
63
|
69
|
48
|
54
|
82
|
49
|
38
|
41
|
52
|
65
|
48
|
64
|
76
|
57
|
63
|
48
|
70
|
41
|
41
|
51
|
50
|
65
|
43
|
|
2024/11
|
58
|
85
|
120
|
36
|
36
|
36
|
47
|
62
|
54
|
46
|
56
|
52
|
56
|
35
|
38
|
38
|
35
|
40
|
39
|
67
|
79
|
94
|
144
|
60
|
53
|
32
|
35
|
44
|
42
|
56
|
|
|
2024/10
|
27
|
27
|
26
|
42
|
51
|
46
|
38
|
46
|
44
|
24
|
38
|
40
|
63
|
55
|
24
|
36
|
64
|
46
|
30
|
40
|
33
|
35
|
39
|
55
|
78
|
69
|
30
|
50
|
65
|
75
|
78
|
|
2024/09
|
20
|
25
|
27
|
31
|
23
|
23
|
28
|
39
|
35
|
21
|
34
|
28
|
32
|
21
|
29
|
31
|
48
|
36
|
34
|
16
|
23
|
39
|
35
|
36
|
31
|
36
|
43
|
46
|
42
|
21
|
|
|
2024/08
|
19
|
17
|
24
|
30
|
18
|
27
|
36
|
32
|
34
|
31
|
27
|
23
|
19
|
26
|
29
|
29
|
36
|
39
|
30
|
25
|
15
|
13
|
24
|
32
|
29
|
28
|
23
|
27
|
32
|
40
|
26
|
|
2024/07
|
85
|
46
|
14
|
35
|
54
|
48
|
36
|
63
|
49
|
59
|
65
|
67
|
66
|
56
|
63
|
36
|
14
|
37
|
45
|
18
|
32
|
25
|
28
|
19
|
25
|
9
|
14
|
10
|
21
|
29
|
22
|
|
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