Air Quality
Excellent
No health implications.
18
PM2.5
42
PM10
25
O3
0.6
CO
9
SO2
37
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Dec
34
Excellent
Wed
31 Dec
47
Excellent
Thu
1 Jan
48
Excellent
Fri
2 Jan
78
Good
Sat
3 Jan
92
Good
Sun
4 Jan
69
Good
Mon
5 Jan
22
Excellent
Air quality in the last 12 months (Tiexi)
|
2025/11
|
77
|
41
|
52
|
60
|
97
|
80
|
123
|
158
|
41
|
40
|
51
|
100
|
40
|
99
|
103
|
48
|
47
|
51
|
79
|
42
|
75
|
89
|
147
|
223
|
51
|
67
|
38
|
44
|
61
|
46
|
|
|
2025/10
|
55
|
58
|
59
|
57
|
40
|
43
|
48
|
34
|
47
|
58
|
87
|
61
|
79
|
99
|
75
|
54
|
76
|
27
|
32
|
30
|
44
|
67
|
61
|
74
|
117
|
47
|
41
|
83
|
74
|
44
|
51
|
|
2025/09
|
61
|
63
|
54
|
47
|
47
|
34
|
43
|
41
|
48
|
39
|
59
|
48
|
53
|
42
|
35
|
36
|
28
|
50
|
50
|
44
|
59
|
60
|
38
|
36
|
64
|
69
|
73
|
47
|
61
|
47
|
|
|
2025/08
|
42
|
32
|
28
|
21
|
35
|
24
|
29
|
32
|
33
|
34
|
37
|
39
|
33
|
40
|
39
|
22
|
28
|
32
|
39
|
23
|
33
|
21
|
49
|
18
|
18
|
26
|
37
|
20
|
34
|
52
|
31
|
|
2025/07
|
17
|
30
|
18
|
30
|
25
|
21
|
37
|
45
|
49
|
52
|
45
|
43
|
23
|
28
|
30
|
39
|
33
|
35
|
40
|
21
|
25
|
29
|
16
|
21
|
35
|
36
|
41
|
42
|
21
|
13
|
42
|
|
2025/06
|
42
|
60
|
37
|
21
|
56
|
46
|
21
|
43
|
50
|
23
|
35
|
40
|
31
|
45
|
41
|
21
|
41
|
40
|
46
|
27
|
22
|
37
|
46
|
52
|
51
|
45
|
50
|
29
|
36
|
17
|
|
|
2025/05
|
26
|
41
|
41
|
45
|
44
|
41
|
58
|
51
|
58
|
52
|
74
|
64
|
62
|
59
|
61
|
42
|
35
|
38
|
48
|
54
|
57
|
71
|
34
|
64
|
45
|
63
|
57
|
56
|
56
|
61
|
61
|
|
2025/04
|
91
|
65
|
80
|
58
|
42
|
65
|
80
|
67
|
96
|
84
|
53
|
31
|
19
|
28
|
58
|
68
|
74
|
40
|
42
|
46
|
56
|
25
|
54
|
66
|
50
|
61
|
43
|
57
|
72
|
66
|
|
|
2025/03
|
95
|
38
|
50
|
69
|
101
|
88
|
83
|
95
|
122
|
103
|
69
|
81
|
59
|
66
|
56
|
55
|
89
|
61
|
77
|
85
|
80
|
84
|
183
|
61
|
110
|
184
|
40
|
22
|
32
|
34
|
69
|
|
2025/02
|
120
|
160
|
41
|
36
|
44
|
89
|
47
|
49
|
66
|
76
|
74
|
47
|
88
|
116
|
115
|
47
|
35
|
32
|
40
|
38
|
44
|
42
|
39
|
61
|
88
|
78
|
108
|
155
|
|||
|
2025/01
|
46
|
49
|
59
|
83
|
141
|
135
|
33
|
43
|
49
|
84
|
128
|
148
|
103
|
56
|
52
|
56
|
76
|
85
|
67
|
85
|
82
|
95
|
135
|
116
|
108
|
156
|
152
|
74
|
107
|
90
|
127
|
|
2024/12
|
57
|
23
|
44
|
42
|
50
|
38
|
40
|
59
|
79
|
86
|
38
|
88
|
63
|
66
|
45
|
45
|
31
|
55
|
83
|
96
|
56
|
60
|
53
|
73
|
87
|
57
|
47
|
55
|
88
|
66
|
52
|
|
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