Air Quality
Excellent
No health implications.
13
PM2.5
28
PM10
72
O3
0.6
CO
7
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
44
Excellent
Wed
1 May
85
Good
Thu
2 May
84
Good
Fri
3 May
71
Good
Sat
4 May
67
Good
Sun
5 May
61
Good
Air quality in the last 12 months (Tiantai)
|
2024/02
|
24
|
19
|
14
|
18
|
20
|
39
|
40
|
75
|
106
|
139
|
68
|
59
|
51
|
42
|
39
|
24
|
31
|
39
|
41
|
23
|
19
|
18
|
33
|
28
|
48
|
82
|
75
|
40
|
18
|
||
|
2024/01
|
110
|
75
|
63
|
65
|
62
|
105
|
153
|
99
|
79
|
108
|
118
|
86
|
90
|
67
|
95
|
42
|
45
|
80
|
61
|
18
|
48
|
39
|
40
|
40
|
55
|
69
|
97
|
102
|
100
|
51
|
42
|
|
2023/12
|
41
|
57
|
69
|
60
|
46
|
50
|
68
|
63
|
61
|
54
|
47
|
29
|
49
|
41
|
39
|
26
|
40
|
34
|
21
|
58
|
52
|
45
|
54
|
58
|
75
|
84
|
84
|
101
|
109
|
104
|
109
|
|
2023/11
|
38
|
38
|
44
|
38
|
24
|
25
|
44
|
50
|
48
|
23
|
21
|
23
|
41
|
53
|
65
|
49
|
75
|
58
|
55
|
64
|
55
|
52
|
69
|
72
|
44
|
49
|
66
|
66
|
72
|
65
|
|
|
2023/10
|
33
|
30
|
34
|
28
|
30
|
25
|
21
|
23
|
37
|
40
|
38
|
37
|
37
|
42
|
51
|
61
|
74
|
58
|
54
|
30
|
37
|
43
|
44
|
45
|
60
|
65
|
62
|
38
|
43
|
44
|
43
|
|
2023/09
|
35
|
33
|
31
|
22
|
28
|
35
|
37
|
37
|
40
|
40
|
41
|
37
|
25
|
27
|
25
|
30
|
32
|
33
|
27
|
26
|
27
|
24
|
22
|
37
|
38
|
36
|
37
|
39
|
31
|
37
|
|
|
2023/08
|
22
|
26
|
26
|
26
|
34
|
47
|
43
|
35
|
47
|
47
|
48
|
39
|
39
|
38
|
34
|
42
|
41
|
30
|
25
|
26
|
32
|
30
|
28
|
35
|
35
|
27
|
24
|
22
|
18
|
22
|
30
|
|
2023/07
|
34
|
26
|
30
|
42
|
35
|
30
|
39
|
42
|
45
|
40
|
32
|
33
|
33
|
29
|
21
|
17
|
21
|
34
|
35
|
26
|
28
|
24
|
30
|
29
|
20
|
18
|
10
|
15
|
18
|
17
|
24
|
|
2023/06
|
29
|
70
|
60
|
48
|
51
|
38
|
31
|
31
|
33
|
45
|
64
|
45
|
32
|
40
|
70
|
48
|
35
|
38
|
30
|
32
|
36
|
41
|
27
|
26
|
24
|
26
|
29
|
33
|
36
|
29
|
|
|
2023/05
|
58
|
53
|
31
|
27
|
32
|
33
|
26
|
32
|
39
|
45
|
43
|
52
|
63
|
63
|
63
|
43
|
31
|
28
|
32
|
36
|
41
|
50
|
85
|
58
|
52
|
52
|
34
|
31
|
28
|
44
|
38
|
|
2023/04
|
49
|
53
|
46
|
36
|
40
|
36
|
48
|
51
|
44
|
47
|
48
|
142
|
107
|
62
|
63
|
67
|
63
|
49
|
25
|
29
|
38
|
62
|
74
|
33
|
40
|
54
|
50
|
48
|
52
|
61
|
|
|
2023/03
|
64
|
67
|
57
|
62
|
62
|
60
|
60
|
53
|
53
|
54
|
50
|
64
|
52
|
50
|
52
|
59
|
51
|
41
|
31
|
33
|
52
|
50
|
26
|
60
|
40
|
50
|
84
|
70
|
49
|
29
|
36
|
|
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