Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
45
*
PM2.5
50
PM10
47
O3
0.3
CO
12
SO2
12
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
24 May
57
Good
Sun
25 May
54
Good
Mon
26 May
57
Good
Tue
27 May
63
Good
Wed
28 May
80
Good
Thu
29 May
44
Excellent
Fri
30 May
44
Excellent
Air quality in the last 12 months (Tiefeng)
|
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
|
|
2024/11
|
48
|
57
|
39
|
31
|
30
|
71
|
78
|
181
|
167
|
118
|
129
|
47
|
118
|
193
|
105
|
45
|
26
|
26
|
45
|
45
|
22
|
32
|
64
|
185
|
142
|
47
|
24
|
38
|
22
|
27
|
|
|
2024/10
|
21
|
24
|
33
|
37
|
40
|
44
|
69
|
33
|
52
|
24
|
26
|
24
|
47
|
54
|
20
|
35
|
29
|
37
|
25
|
47
|
35
|
37
|
43
|
53
|
46
|
101
|
47
|
39
|
57
|
45
|
55
|
|
2024/09
|
16
|
21
|
27
|
26
|
22
|
26
|
33
|
34
|
41
|
26
|
24
|
30
|
21
|
29
|
33
|
27
|
25
|
27
|
19
|
26
|
31
|
29
|
33
|
34
|
30
|
39
|
30
|
29
|
49
|
23
|
|
|
2024/08
|
25
|
26
|
26
|
21
|
18
|
29
|
33
|
25
|
37
|
35
|
18
|
21
|
24
|
31
|
31
|
30
|
31
|
26
|
22
|
24
|
21
|
27
|
33
|
27
|
31
|
17
|
18
|
23
|
26
|
18
|
18
|
|
2024/07
|
36
|
48
|
57
|
64
|
60
|
50
|
61
|
78
|
69
|
70
|
83
|
86
|
93
|
65
|
57
|
51
|
21
|
38
|
30
|
35
|
26
|
30
|
26
|
26
|
30
|
23
|
12
|
21
|
21
|
27
|
26
|
|
2024/06
|
30
|
32
|
41
|
21
|
40
|
50
|
31
|
19
|
19
|
31
|
25
|
24
|
27
|
15
|
22
|
33
|
21
|
26
|
32
|
23
|
20
|
20
|
24
|
25
|
30
|
39
|
44
|
52
|
26
|
41
|
|
|
2024/05
|
56
|
38
|
51
|
78
|
39
|
42
|
41
|
74
|
33
|
36
|
13
|
32
|
32
|
22
|
18
|
26
|
43
|
28
|
37
|
36
|
43
|
31
|
22
|
27
|
42
|
23
|
30
|
24
|
28
|
21
|
22
|
|
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