Air Quality
Excellent
No health implications.
5
PM2.5
12
PM10
61
O3
0.2
CO
2
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Apr
53
Good
Mon
14 Apr
52
Good
Tue
15 Apr
63
Good
Wed
16 Apr
57
Good
Thu
17 Apr
89
Good
Fri
18 Apr
22
Excellent
Sat
19 Apr
18
Excellent
Air quality in the last 12 months (Tiexi)
|
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
|
|
2024/06
|
25
|
21
|
39
|
40
|
46
|
42
|
39
|
38
|
35
|
33
|
47
|
36
|
39
|
28
|
18
|
29
|
34
|
31
|
49
|
39
|
40
|
72
|
13
|
13
|
23
|
35
|
48
|
44
|
35
|
31
|
|
|
2024/05
|
42
|
61
|
60
|
58
|
37
|
64
|
52
|
46
|
61
|
67
|
79
|
32
|
39
|
55
|
26
|
22
|
45
|
52
|
28
|
23
|
41
|
51
|
31
|
32
|
27
|
15
|
17
|
25
|
37
|
38
|
19
|
|
2024/04
|
71
|
75
|
56
|
95
|
120
|
80
|
96
|
144
|
115
|
157
|
74
|
104
|
65
|
73
|
141
|
179
|
72
|
53
|
71
|
203
|
133
|
68
|
50
|
51
|
57
|
55
|
62
|
29
|
47
|
55
|
|
|
2024/03
|
35
|
47
|
34
|
51
|
42
|
50
|
53
|
42
|
45
|
94
|
99
|
44
|
57
|
97
|
77
|
107
|
40
|
81
|
48
|
41
|
78
|
44
|
53
|
37
|
63
|
79
|
85
|
164
|
87
|
57
|
63
|
|
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