Air Quality
Excellent
No health implications.
8
PM2.5
15
PM10
68
O3
0.5
CO
3
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Feb
56
Good
Fri
6 Feb
60
Good
Sat
7 Feb
58
Good
Sun
8 Feb
71
Good
Mon
9 Feb
91
Good
Tue
10 Feb
91
Good
Wed
11 Feb
41
Excellent
Tieli Air quality rank
Air quality in the last 12 months (Tieli)
|
2025/12
|
60
|
49
|
56
|
53
|
54
|
67
|
94
|
81
|
71
|
54
|
44
|
51
|
82
|
108
|
77
|
50
|
76
|
72
|
63
|
53
|
59
|
75
|
55
|
75
|
67
|
59
|
86
|
94
|
62
|
57
|
43
|
|
2025/11
|
113
|
30
|
38
|
55
|
115
|
89
|
27
|
69
|
82
|
33
|
52
|
73
|
33
|
57
|
65
|
70
|
35
|
44
|
149
|
115
|
61
|
214
|
280
|
79
|
58
|
165
|
115
|
83
|
53
|
46
|
|
|
2025/10
|
32
|
33
|
38
|
29
|
28
|
26
|
35
|
27
|
32
|
39
|
46
|
25
|
33
|
32
|
45
|
36
|
80
|
21
|
29
|
25
|
33
|
38
|
42
|
56
|
134
|
95
|
59
|
49
|
99
|
101
|
74
|
|
2025/09
|
20
|
22
|
24
|
39
|
36
|
19
|
19
|
23
|
17
|
21
|
19
|
27
|
28
|
28
|
17
|
19
|
18
|
20
|
23
|
23
|
22
|
25
|
29
|
23
|
17
|
21
|
24
|
29
|
30
|
44
|
|
|
2025/08
|
22
|
19
|
15
|
17
|
16
|
14
|
13
|
17
|
15
|
12
|
13
|
18
|
16
|
13
|
17
|
12
|
14
|
16
|
16
|
17
|
19
|
12
|
20
|
16
|
17
|
17
|
20
|
21
|
18
|
20
|
27
|
|
2025/07
|
16
|
19
|
19
|
18
|
18
|
16
|
16
|
21
|
17
|
20
|
27
|
22
|
15
|
15
|
16
|
14
|
16
|
15
|
18
|
15
|
13
|
21
|
24
|
23
|
17
|
18
|
18
|
16
|
14
|
12
|
15
|
|
2025/06
|
19
|
23
|
19
|
18
|
14
|
14
|
16
|
23
|
17
|
18
|
16
|
20
|
31
|
24
|
24
|
19
|
15
|
24
|
18
|
16
|
11
|
18
|
23
|
33
|
39
|
39
|
38
|
32
|
16
|
24
|
|
|
2025/05
|
47
|
36
|
29
|
24
|
22
|
28
|
31
|
35
|
21
|
26
|
49
|
76
|
58
|
38
|
51
|
24
|
19
|
24
|
23
|
22
|
20
|
18
|
19
|
19
|
19
|
23
|
29
|
45
|
50
|
42
|
48
|
|
2025/04
|
75
|
61
|
61
|
46
|
51
|
54
|
50
|
47
|
60
|
85
|
71
|
90
|
33
|
23
|
17
|
27
|
69
|
65
|
27
|
65
|
99
|
20
|
30
|
29
|
22
|
19
|
41
|
52
|
52
|
48
|
|
|
2025/03
|
30
|
39
|
45
|
45
|
43
|
53
|
49
|
49
|
54
|
109
|
49
|
48
|
24
|
28
|
32
|
31
|
31
|
33
|
46
|
78
|
42
|
17
|
23
|
40
|
30
|
31
|
24
|
23
|
25
|
32
|
54
|
|
2025/02
|
112
|
135
|
128
|
77
|
63
|
69
|
55
|
41
|
69
|
99
|
90
|
103
|
86
|
62
|
61
|
44
|
42
|
38
|
38
|
49
|
49
|
48
|
56
|
50
|
63
|
46
|
61
|
61
|
|||
|
2025/01
|
136
|
143
|
139
|
172
|
105
|
105
|
129
|
61
|
65
|
119
|
163
|
165
|
135
|
167
|
95
|
66
|
77
|
91
|
126
|
116
|
123
|
119
|
157
|
185
|
164
|
122
|
69
|
92
|
106
|
71
|
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