Air Quality
Excellent
No health implications.
5
PM2.5
10
PM10
41
O3
0.8
CO
6
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Aug
42
Excellent
Sun
30 Aug
42
Excellent
Mon
31 Aug
41
Excellent
Tue
1 Sep
50
Excellent
Wed
2 Sep
48
Excellent
Thu
3 Sep
39
Excellent
Fri
4 Sep
38
Excellent
Air quality in the last 12 months (Sanmen)
|
2026/07
|
21
|
22
|
28
|
25
|
22
|
27
|
25
|
27
|
25
|
24
|
23
|
20
|
21
|
21
|
24
|
30
|
35
|
34
|
34
|
24
|
29
|
33
|
38
|
31
|
16
|
17
|
13
|
12
|
16
|
25
|
28
|
|
2026/06
|
37
|
59
|
47
|
40
|
40
|
28
|
34
|
29
|
26
|
37
|
38
|
35
|
30
|
31
|
29
|
24
|
31
|
32
|
20
|
27
|
32
|
30
|
25
|
30
|
21
|
29
|
41
|
40
|
26
|
21
|
|
|
2026/05
|
43
|
39
|
35
|
35
|
41
|
37
|
41
|
33
|
29
|
34
|
36
|
29
|
31
|
23
|
26
|
27
|
28
|
31
|
29
|
35
|
40
|
46
|
32
|
38
|
37
|
34
|
41
|
41
|
55
|
45
|
42
|
|
2026/04
|
38
|
43
|
41
|
35
|
47
|
43
|
38
|
36
|
38
|
50
|
47
|
35
|
55
|
44
|
50
|
26
|
47
|
44
|
55
|
56
|
35
|
29
|
20
|
38
|
49
|
55
|
49
|
55
|
30
|
34
|
|
|
2026/03
|
28
|
17
|
27
|
26
|
24
|
41
|
46
|
37
|
32
|
40
|
38
|
41
|
53
|
45
|
43
|
36
|
42
|
49
|
34
|
57
|
29
|
34
|
33
|
30
|
46
|
45
|
32
|
43
|
51
|
36
|
32
|
|
2026/02
|
44
|
52
|
72
|
46
|
55
|
47
|
24
|
54
|
35
|
33
|
62
|
87
|
66
|
43
|
35
|
25
|
40
|
60
|
64
|
46
|
30
|
50
|
103
|
28
|
22
|
29
|
12
|
28
|
|||
|
2026/01
|
21
|
47
|
63
|
63
|
67
|
97
|
58
|
58
|
76
|
66
|
75
|
67
|
65
|
60
|
56
|
75
|
70
|
61
|
34
|
13
|
37
|
51
|
56
|
86
|
83
|
54
|
27
|
53
|
41
|
37
|
11
|
|
2025/12
|
78
|
66
|
54
|
50
|
51
|
56
|
56
|
66
|
44
|
47
|
56
|
41
|
39
|
49
|
61
|
55
|
78
|
88
|
49
|
70
|
46
|
38
|
49
|
46
|
41
|
37
|
44
|
51
|
48
|
72
|
29
|
|
2025/11
|
51
|
61
|
29
|
42
|
33
|
35
|
33
|
41
|
17
|
41
|
25
|
20
|
21
|
46
|
47
|
44
|
35
|
32
|
42
|
59
|
66
|
77
|
61
|
58
|
87
|
88
|
91
|
141
|
88
|
73
|
|
|
2025/10
|
27
|
22
|
18
|
25
|
23
|
31
|
38
|
24
|
21
|
26
|
33
|
38
|
32
|
40
|
31
|
27
|
23
|
24
|
20
|
23
|
26
|
27
|
29
|
33
|
38
|
40
|
41
|
27
|
30
|
34
|
18
|
|
2025/09
|
19
|
17
|
17
|
24
|
21
|
17
|
20
|
19
|
28
|
18
|
24
|
25
|
26
|
19
|
23
|
17
|
18
|
25
|
15
|
24
|
17
|
25
|
17
|
15
|
16
|
19
|
26
|
23
|
33
|
26
|
|
|
2025/08
|
36
|
31
|
32
|
31
|
19
|
25
|
31
|
40
|
40
|
42
|
39
|
22
|
17
|
17
|
15
|
19
|
22
|
20
|
19
|
30
|
36
|
25
|
21
|
16
|
16
|
18
|
13
|
15
|
15
|
17
|
19
|
|
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