Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
28
PM2.5
56
*
PM10
26
O3
0.6
CO
8
SO2
40
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 Dec
51
Good
Wed
17 Dec
78
Good
Thu
18 Dec
76
Good
Fri
19 Dec
55
Good
Sat
20 Dec
62
Good
Sun
21 Dec
68
Good
Mon
22 Dec
45
Excellent
Air quality in the last 12 months (Tiantai)
|
2025/11
|
47
|
58
|
34
|
39
|
36
|
39
|
32
|
41
|
18
|
41
|
26
|
23
|
25
|
47
|
51
|
49
|
37
|
30
|
41
|
57
|
61
|
72
|
60
|
59
|
84
|
91
|
92
|
129
|
84
|
72
|
|
|
2025/10
|
27
|
24
|
21
|
29
|
26
|
35
|
42
|
27
|
23
|
28
|
35
|
47
|
42
|
37
|
31
|
29
|
24
|
25
|
20
|
23
|
26
|
28
|
31
|
37
|
41
|
43
|
45
|
32
|
30
|
33
|
18
|
|
2025/09
|
21
|
18
|
19
|
27
|
24
|
17
|
27
|
20
|
26
|
17
|
27
|
27
|
25
|
17
|
28
|
19
|
19
|
25
|
15
|
23
|
20
|
26
|
19
|
14
|
18
|
22
|
31
|
27
|
38
|
30
|
|
|
2025/08
|
37
|
34
|
34
|
32
|
18
|
23
|
30
|
37
|
38
|
42
|
39
|
24
|
15
|
16
|
14
|
20
|
24
|
22
|
23
|
34
|
33
|
25
|
22
|
17
|
18
|
21
|
15
|
15
|
16
|
18
|
21
|
|
2025/07
|
14
|
20
|
24
|
22
|
17
|
13
|
8
|
9
|
15
|
25
|
12
|
19
|
28
|
39
|
42
|
34
|
32
|
21
|
13
|
16
|
11
|
17
|
16
|
18
|
14
|
16
|
18
|
13
|
19
|
11
|
26
|
|
2025/06
|
24
|
30
|
23
|
33
|
36
|
30
|
37
|
39
|
33
|
26
|
16
|
24
|
14
|
16
|
17
|
19
|
35
|
29
|
19
|
16
|
27
|
37
|
22
|
26
|
26
|
35
|
25
|
22
|
20
|
12
|
|
|
2025/05
|
42
|
44
|
53
|
35
|
31
|
63
|
73
|
46
|
23
|
36
|
36
|
35
|
35
|
34
|
33
|
31
|
31
|
40
|
22
|
24
|
19
|
32
|
17
|
37
|
54
|
42
|
34
|
26
|
21
|
42
|
45
|
|
2025/04
|
39
|
48
|
65
|
51
|
49
|
62
|
55
|
55
|
59
|
47
|
51
|
78
|
97
|
89
|
58
|
58
|
59
|
56
|
45
|
63
|
49
|
31
|
30
|
40
|
33
|
39
|
41
|
42
|
41
|
39
|
|
|
2025/03
|
40
|
44
|
50
|
18
|
30
|
30
|
48
|
61
|
59
|
40
|
49
|
51
|
28
|
32
|
13
|
39
|
39
|
48
|
54
|
57
|
48
|
48
|
54
|
60
|
65
|
66
|
62
|
51
|
42
|
44
|
33
|
|
2025/02
|
23
|
31
|
68
|
58
|
43
|
53
|
56
|
34
|
38
|
52
|
42
|
61
|
82
|
51
|
60
|
56
|
64
|
32
|
54
|
38
|
20
|
40
|
54
|
97
|
94
|
87
|
74
|
45
|
|||
|
2025/01
|
67
|
62
|
63
|
59
|
72
|
79
|
83
|
85
|
54
|
38
|
59
|
65
|
67
|
63
|
70
|
48
|
64
|
64
|
58
|
82
|
113
|
79
|
50
|
47
|
43
|
41
|
37
|
38
|
82
|
52
|
39
|
|
2024/12
|
58
|
53
|
69
|
55
|
46
|
45
|
122
|
54
|
44
|
54
|
25
|
69
|
40
|
113
|
64
|
53
|
61
|
70
|
37
|
48
|
73
|
63
|
61
|
53
|
62
|
103
|
76
|
55
|
61
|
64
|
79
|
|
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