Air Quality
Excellent
No health implications.
5
PM2.5
13
PM10
39
O3
0.7
CO
7
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Aug
40
Excellent
Sun
9 Aug
39
Excellent
Mon
10 Aug
37
Excellent
Tue
11 Aug
54
Good
Wed
12 Aug
67
Good
Thu
13 Aug
66
Good
Fri
14 Aug
37
Excellent
Air quality in the last 12 months (Tiantai)
|
2026/06
|
40
|
62
|
49
|
36
|
39
|
29
|
34
|
29
|
26
|
36
|
38
|
36
|
30
|
28
|
32
|
25
|
33
|
35
|
20
|
26
|
31
|
32
|
26
|
31
|
22
|
30
|
42
|
38
|
26
|
21
|
|
|
2026/05
|
39
|
37
|
37
|
34
|
40
|
39
|
42
|
32
|
29
|
37
|
37
|
35
|
37
|
24
|
25
|
27
|
28
|
32
|
30
|
36
|
39
|
51
|
31
|
40
|
34
|
31
|
40
|
38
|
52
|
43
|
43
|
|
2026/04
|
34
|
39
|
39
|
33
|
46
|
47
|
40
|
36
|
38
|
47
|
46
|
33
|
55
|
38
|
48
|
25
|
50
|
45
|
53
|
58
|
29
|
26
|
19
|
37
|
50
|
57
|
50
|
57
|
29
|
32
|
|
|
2026/03
|
26
|
18
|
29
|
28
|
25
|
46
|
48
|
41
|
36
|
41
|
39
|
41
|
53
|
46
|
48
|
40
|
43
|
49
|
32
|
60
|
31
|
31
|
34
|
28
|
45
|
47
|
32
|
42
|
46
|
33
|
31
|
|
2026/02
|
41
|
46
|
71
|
51
|
62
|
49
|
23
|
51
|
34
|
33
|
58
|
77
|
64
|
45
|
37
|
24
|
45
|
58
|
57
|
42
|
29
|
47
|
108
|
31
|
22
|
26
|
11
|
24
|
|||
|
2026/01
|
24
|
50
|
70
|
69
|
71
|
83
|
55
|
57
|
69
|
62
|
75
|
68
|
64
|
59
|
56
|
71
|
78
|
64
|
35
|
14
|
38
|
55
|
61
|
84
|
86
|
58
|
28
|
60
|
43
|
36
|
13
|
|
2025/12
|
81
|
68
|
55
|
51
|
54
|
57
|
60
|
75
|
48
|
50
|
60
|
44
|
38
|
47
|
59
|
55
|
79
|
97
|
57
|
80
|
51
|
39
|
52
|
48
|
43
|
42
|
47
|
53
|
53
|
82
|
35
|
|
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
|
|
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