Air Quality
Excellent
No health implications.
9
PM2.5
27
PM10
129
O3
0.4
CO
7
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Jun
84
Good
Sat
7 Jun
59
Good
Sun
8 Jun
98
Good
Mon
9 Jun
83
Good
Tue
10 Jun
71
Good
Wed
11 Jun
84
Good
Thu
12 Jun
42
Excellent
Air quality in the last 12 months (Tiexi)
|
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
|
|
2024/11
|
63
|
64
|
75
|
26
|
42
|
51
|
60
|
60
|
54
|
42
|
50
|
62
|
56
|
44
|
53
|
29
|
23
|
27
|
56
|
101
|
66
|
48
|
62
|
86
|
54
|
22
|
38
|
46
|
63
|
69
|
|
|
2024/10
|
25
|
40
|
43
|
48
|
54
|
68
|
36
|
67
|
56
|
32
|
52
|
65
|
75
|
44
|
27
|
53
|
74
|
46
|
33
|
44
|
39
|
36
|
42
|
75
|
89
|
100
|
33
|
53
|
97
|
84
|
112
|
|
2024/09
|
29
|
20
|
37
|
38
|
22
|
37
|
54
|
49
|
42
|
31
|
40
|
37
|
47
|
29
|
37
|
50
|
51
|
50
|
55
|
25
|
24
|
39
|
48
|
44
|
31
|
35
|
57
|
64
|
46
|
25
|
|
|
2024/08
|
21
|
22
|
38
|
26
|
14
|
25
|
38
|
46
|
54
|
33
|
35
|
29
|
23
|
28
|
33
|
32
|
40
|
54
|
28
|
30
|
21
|
19
|
22
|
46
|
27
|
42
|
38
|
39
|
46
|
43
|
42
|
|
2024/07
|
54
|
55
|
21
|
46
|
49
|
30
|
29
|
50
|
40
|
52
|
76
|
68
|
58
|
59
|
58
|
24
|
19
|
42
|
40
|
20
|
31
|
23
|
33
|
21
|
18
|
10
|
14
|
11
|
29
|
40
|
19
|
|
2024/06
|
26
|
30
|
28
|
50
|
43
|
39
|
32
|
27
|
29
|
42
|
44
|
33
|
32
|
26
|
19
|
34
|
49
|
54
|
42
|
39
|
36
|
31
|
71
|
17
|
19
|
31
|
43
|
41
|
29
|
25
|
|
|
2024/05
|
49
|
59
|
60
|
52
|
37
|
45
|
49
|
55
|
68
|
64
|
78
|
45
|
52
|
55
|
42
|
50
|
54
|
51
|
37
|
28
|
48
|
36
|
30
|
32
|
30
|
19
|
20
|
41
|
54
|
44
|
20
|
|
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