Air Quality
Excellent
No health implications.
14
PM2.5
32
PM10
61
O3
0.4
CO
7
SO2
28
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Oct
48
Excellent
Thu
30 Oct
46
Excellent
Fri
31 Oct
46
Excellent
Sat
1 Nov
52
Good
Sun
2 Nov
55
Good
Mon
3 Nov
48
Excellent
Tue
4 Nov
19
Excellent
Air quality in the last 12 months (Tiantai)
|
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
|
|
2024/11
|
8
|
21
|
50
|
61
|
40
|
34
|
30
|
36
|
39
|
29
|
32
|
43
|
42
|
39
|
24
|
21
|
15
|
22
|
29
|
37
|
49
|
64
|
56
|
38
|
38
|
29
|
45
|
51
|
49
|
48
|
|
|
2024/10
|
16
|
20
|
23
|
21
|
19
|
12
|
10
|
24
|
40
|
50
|
60
|
48
|
33
|
41
|
41
|
30
|
33
|
36
|
25
|
30
|
51
|
37
|
33
|
30
|
31
|
21
|
15
|
34
|
52
|
39
|
25
|
|
2024/09
|
38
|
40
|
35
|
26
|
24
|
29
|
34
|
24
|
25
|
37
|
19
|
31
|
17
|
22
|
22
|
20
|
17
|
19
|
13
|
18
|
23
|
24
|
21
|
25
|
30
|
34
|
22
|
33
|
34
|
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