Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
27
PM2.5
74
*
PM10
17
O3
0.5
CO
6
SO2
36
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
12 Jan
62
Good
Tue
13 Jan
72
Good
Wed
14 Jan
76
Good
Thu
15 Jan
64
Good
Fri
16 Jan
81
Good
Sat
17 Jan
33
Excellent
Sun
18 Jan
39
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