Air Quality
Excellent
No health implications.
19
PM2.5
33
PM10
65
O3
1.3
CO
13
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
55
Good
Fri
2 May
56
Good
Sat
3 May
56
Good
Sun
4 May
60
Good
Mon
5 May
66
Good
Tue
6 May
53
Good
Wed
7 May
31
Excellent
Air quality in the last 12 months (Tiexi)
|
2025/02
|
154
|
214
|
57
|
48
|
51
|
66
|
49
|
55
|
69
|
57
|
70
|
64
|
75
|
94
|
102
|
53
|
42
|
36
|
49
|
50
|
57
|
63
|
53
|
60
|
79
|
73
|
112
|
141
|
|||
|
2025/01
|
56
|
66
|
66
|
63
|
166
|
137
|
86
|
50
|
52
|
86
|
94
|
130
|
79
|
62
|
51
|
64
|
63
|
88
|
78
|
150
|
71
|
96
|
93
|
143
|
138
|
215
|
97
|
94
|
204
|
103
|
119
|
|
2024/12
|
39
|
33
|
40
|
45
|
53
|
43
|
46
|
61
|
76
|
61
|
53
|
76
|
55
|
64
|
59
|
64
|
36
|
75
|
74
|
94
|
60
|
66
|
46
|
67
|
88
|
62
|
74
|
72
|
61
|
84
|
53
|
|
2024/11
|
108
|
98
|
63
|
32
|
40
|
57
|
59
|
58
|
53
|
53
|
57
|
51
|
53
|
50
|
45
|
34
|
31
|
35
|
48
|
99
|
52
|
55
|
107
|
62
|
49
|
23
|
37
|
42
|
57
|
62
|
|
|
2024/10
|
29
|
44
|
42
|
48
|
60
|
86
|
44
|
66
|
49
|
38
|
53
|
94
|
69
|
42
|
32
|
57
|
74
|
71
|
52
|
53
|
66
|
49
|
52
|
98
|
114
|
120
|
36
|
94
|
75
|
88
|
92
|
|
2024/09
|
36
|
32
|
47
|
46
|
28
|
38
|
54
|
53
|
44
|
29
|
43
|
60
|
62
|
34
|
40
|
58
|
70
|
64
|
64
|
36
|
32
|
43
|
50
|
37
|
57
|
52
|
67
|
62
|
51
|
29
|
|
|
2024/08
|
24
|
28
|
41
|
23
|
18
|
40
|
36
|
50
|
52
|
21
|
53
|
48
|
46
|
46
|
55
|
54
|
62
|
53
|
27
|
23
|
28
|
35
|
35
|
63
|
54
|
43
|
46
|
54
|
48
|
50
|
48
|
|
2024/07
|
75
|
59
|
32
|
66
|
89
|
29
|
47
|
57
|
65
|
83
|
86
|
74
|
54
|
70
|
55
|
21
|
30
|
52
|
39
|
20
|
38
|
19
|
30
|
26
|
19
|
12
|
13
|
12
|
36
|
44
|
17
|
|
2024/06
|
35
|
44
|
50
|
58
|
49
|
39
|
34
|
38
|
45
|
46
|
46
|
28
|
26
|
36
|
33
|
50
|
62
|
58
|
43
|
44
|
48
|
35
|
73
|
23
|
32
|
43
|
48
|
41
|
24
|
41
|
|
|
2024/05
|
40
|
62
|
63
|
48
|
46
|
56
|
56
|
67
|
93
|
71
|
85
|
49
|
60
|
74
|
62
|
56
|
55
|
48
|
43
|
46
|
72
|
46
|
42
|
39
|
48
|
30
|
24
|
50
|
53
|
49
|
34
|
|
2024/04
|
76
|
87
|
76
|
90
|
120
|
98
|
107
|
90
|
207
|
141
|
68
|
51
|
41
|
33
|
166
|
115
|
57
|
60
|
74
|
134
|
76
|
75
|
45
|
45
|
54
|
68
|
71
|
45
|
54
|
63
|
|
|
2024/03
|
58
|
60
|
77
|
79
|
61
|
77
|
111
|
64
|
75
|
90
|
100
|
79
|
99
|
129
|
103
|
137
|
108
|
108
|
60
|
50
|
61
|
40
|
92
|
65
|
70
|
102
|
76
|
238
|
108
|
69
|
88
|
|
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