Air Quality
Excellent
No health implications.
4
PM2.5
12
PM10
81
O3
0.2
CO
4
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Apr
58
Good
Sat
11 Apr
96
Good
Sun
12 Apr
58
Good
Mon
13 Apr
55
Good
Tue
14 Apr
54
Good
Wed
15 Apr
93
Good
Thu
16 Apr
19
Excellent
Air quality in the last 12 months (Tiefeng)
|
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
|
|
|
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
|
|
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