Air Quality
Excellent
No health implications.
16
PM2.5
41
PM10
55
O3
0.3
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Oct
54
Good
Sat
24 Oct
58
Good
Sun
25 Oct
59
Good
Mon
26 Oct
57
Good
Tue
27 Oct
53
Good
Wed
28 Oct
37
Excellent
Thu
29 Oct
45
Excellent
Air quality in the last 12 months (Tiefeng)
|
2026/08
|
18
|
19
|
24
|
26
|
29
|
27
|
26
|
27
|
28
|
32
|
33
|
19
|
20
|
22
|
23
|
28
|
20
|
25
|
24
|
40
|
24
|
20
|
21
|
24
|
21
|
21
|
21
|
27
|
20
|
13
|
18
|
|
2026/07
|
41
|
36
|
28
|
28
|
35
|
30
|
28
|
19
|
20
|
39
|
54
|
32
|
27
|
31
|
26
|
29
|
29
|
26
|
29
|
39
|
32
|
30
|
42
|
32
|
28
|
27
|
28
|
32
|
25
|
22
|
29
|
|
2026/06
|
30
|
26
|
28
|
26
|
16
|
18
|
23
|
17
|
22
|
27
|
30
|
27
|
26
|
24
|
23
|
29
|
35
|
34
|
36
|
42
|
31
|
28
|
33
|
36
|
33
|
30
|
35
|
28
|
40
|
44
|
|
|
2026/05
|
29
|
29
|
29
|
38
|
41
|
28
|
30
|
34
|
40
|
68
|
56
|
61
|
64
|
110
|
30
|
28
|
24
|
32
|
44
|
45
|
49
|
46
|
33
|
41
|
28
|
28
|
31
|
27
|
26
|
32
|
62
|
|
2026/04
|
38
|
70
|
70
|
83
|
65
|
38
|
28
|
42
|
37
|
33
|
26
|
35
|
30
|
45
|
60
|
49
|
67
|
34
|
31
|
43
|
34
|
26
|
35
|
35
|
28
|
26
|
29
|
33
|
32
|
48
|
|
|
2026/03
|
36
|
41
|
61
|
44
|
25
|
33
|
41
|
52
|
48
|
38
|
40
|
48
|
95
|
31
|
40
|
36
|
116
|
43
|
48
|
94
|
137
|
65
|
147
|
120
|
112
|
59
|
57
|
60
|
67
|
33
|
77
|
|
2026/02
|
29
|
38
|
44
|
26
|
36
|
25
|
26
|
39
|
56
|
94
|
32
|
60
|
49
|
62
|
19
|
58
|
45
|
25
|
34
|
94
|
123
|
36
|
27
|
23
|
49
|
24
|
30
|
43
|
|||
|
2026/01
|
30
|
31
|
35
|
24
|
25
|
53
|
23
|
33
|
43
|
57
|
38
|
61
|
21
|
28
|
40
|
43
|
29
|
24
|
24
|
23
|
21
|
20
|
22
|
24
|
23
|
46
|
33
|
25
|
27
|
27
|
32
|
|
2025/12
|
23
|
24
|
25
|
44
|
41
|
52
|
40
|
34
|
34
|
29
|
27
|
41
|
47
|
53
|
59
|
40
|
55
|
94
|
108
|
43
|
30
|
61
|
66
|
29
|
26
|
27
|
47
|
51
|
23
|
20
|
27
|
|
2025/11
|
51
|
45
|
87
|
57
|
104
|
51
|
28
|
111
|
27
|
24
|
33
|
45
|
48
|
38
|
73
|
44
|
25
|
35
|
40
|
33
|
39
|
45
|
53
|
41
|
44
|
52
|
33
|
56
|
73
|
40
|
|
|
2025/10
|
38
|
38
|
56
|
25
|
26
|
29
|
36
|
26
|
39
|
37
|
43
|
25
|
33
|
32
|
27
|
39
|
30
|
22
|
19
|
21
|
28
|
26
|
43
|
51
|
50
|
30
|
30
|
35
|
128
|
51
|
71
|
|
2025/09
|
21
|
23
|
37
|
51
|
48
|
25
|
21
|
20
|
21
|
23
|
25
|
28
|
37
|
27
|
23
|
20
|
23
|
30
|
32
|
28
|
32
|
38
|
42
|
21
|
18
|
31
|
33
|
37
|
40
|
38
|
|
|
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