Air Quality
Excellent
No health implications.
11
PM2.5
29
PM10
113
O3
0.1
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jun
59
Good
Fri
20 Jun
48
Excellent
Sat
21 Jun
61
Good
Sun
22 Jun
52
Good
Mon
23 Jun
59
Good
Tue
24 Jun
40
Excellent
Wed
25 Jun
21
Excellent
Tiefeng Air quality rank
Air quality in the last 12 months (Tiefeng)
|
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
|
|
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
|
|
|
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