Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
25
PM2.5
53
*
PM10
42
O3
0.8
CO
8
SO2
34
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
25 Jan
65
Good
Mon
26 Jan
106
Light
Tue
27 Jan
59
Good
Wed
28 Jan
59
Good
Thu
29 Jan
55
Good
Fri
30 Jan
91
Good
Sat
31 Jan
49
Excellent
Tiefeng Air quality rank
Air quality in the last 12 months (Tiefeng)
|
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
|
|
|
2025/08
|
23
|
23
|
18
|
23
|
25
|
21
|
20
|
26
|
16
|
17
|
19
|
21
|
25
|
24
|
28
|
18
|
23
|
22
|
26
|
24
|
25
|
18
|
23
|
21
|
27
|
22
|
25
|
25
|
27
|
23
|
28
|
|
2025/07
|
26
|
21
|
26
|
35
|
19
|
24
|
22
|
21
|
27
|
37
|
36
|
20
|
21
|
23
|
27
|
21
|
19
|
25
|
24
|
21
|
22
|
25
|
37
|
30
|
26
|
28
|
22
|
28
|
15
|
19
|
21
|
|
2025/06
|
27
|
31
|
19
|
21
|
25
|
15
|
20
|
27
|
16
|
24
|
25
|
38
|
30
|
26
|
29
|
20
|
21
|
31
|
21
|
17
|
17
|
27
|
40
|
40
|
46
|
32
|
47
|
34
|
30
|
33
|
|
|
2025/05
|
28
|
23
|
25
|
18
|
23
|
27
|
34
|
46
|
49
|
38
|
55
|
68
|
64
|
43
|
64
|
67
|
23
|
28
|
32
|
35
|
25
|
26
|
30
|
36
|
40
|
45
|
45
|
64
|
63
|
71
|
38
|
|
2025/04
|
53
|
54
|
53
|
97
|
72
|
49
|
60
|
46
|
62
|
118
|
61
|
15
|
14
|
24
|
25
|
40
|
41
|
23
|
26
|
62
|
90
|
20
|
25
|
17
|
19
|
33
|
56
|
26
|
97
|
24
|
|
|
2025/03
|
24
|
26
|
34
|
51
|
93
|
60
|
55
|
46
|
81
|
93
|
45
|
32
|
19
|
16
|
21
|
25
|
31
|
26
|
52
|
25
|
25
|
30
|
118
|
37
|
35
|
44
|
17
|
20
|
17
|
25
|
44
|
|
2025/02
|
70
|
122
|
52
|
20
|
32
|
40
|
16
|
15
|
22
|
39
|
90
|
68
|
33
|
29
|
28
|
26
|
21
|
19
|
22
|
30
|
31
|
31
|
27
|
39
|
36
|
22
|
42
|
27
|
|||
|
2025/01
|
99
|
42
|
44
|
118
|
125
|
69
|
25
|
32
|
28
|
31
|
61
|
164
|
235
|
67
|
29
|
33
|
87
|
187
|
188
|
135
|
88
|
69
|
207
|
271
|
218
|
203
|
27
|
36
|
52
|
26
|
27
|
|
2024/12
|
37
|
17
|
22
|
20
|
23
|
17
|
24
|
34
|
79
|
42
|
23
|
36
|
49
|
30
|
22
|
26
|
27
|
28
|
33
|
50
|
29
|
27
|
23
|
41
|
40
|
27
|
22
|
27
|
51
|
116
|
115
|
|
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