Air Quality
Excellent
No health implications.
7
PM2.5
17
PM10
16
O3
0.6
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
61
Good
Mon
5 May
67
Good
Tue
6 May
69
Good
Wed
7 May
72
Good
Thu
8 May
71
Good
Fri
9 May
72
Good
Sat
10 May
36
Excellent
Air quality in the last 12 months (Shuangjiang)
|
2025/02
|
64
|
67
|
59
|
54
|
57
|
65
|
58
|
48
|
48
|
46
|
45
|
49
|
53
|
61
|
68
|
66
|
52
|
53
|
59
|
61
|
59
|
64
|
62
|
57
|
51
|
45
|
46
|
49
|
|||
|
2025/01
|
41
|
38
|
38
|
41
|
50
|
47
|
42
|
39
|
41
|
44
|
49
|
38
|
44
|
45
|
45
|
47
|
47
|
47
|
44
|
39
|
39
|
43
|
44
|
41
|
39
|
51
|
33
|
46
|
75
|
53
|
51
|
|
2024/12
|
29
|
28
|
29
|
28
|
28
|
31
|
32
|
34
|
34
|
37
|
48
|
45
|
38
|
35
|
31
|
28
|
30
|
28
|
32
|
33
|
36
|
40
|
33
|
36
|
37
|
38
|
47
|
44
|
38
|
38
|
38
|
|
2024/11
|
34
|
32
|
31
|
28
|
31
|
30
|
22
|
18
|
20
|
24
|
24
|
24
|
25
|
23
|
26
|
26
|
29
|
29
|
31
|
28
|
25
|
23
|
28
|
29
|
30
|
27
|
26
|
26
|
23
|
24
|
|
|
2024/10
|
19
|
13
|
17
|
18
|
18
|
21
|
24
|
22
|
22
|
22
|
23
|
25
|
28
|
32
|
36
|
30
|
24
|
34
|
40
|
34
|
21
|
23
|
25
|
27
|
26
|
29
|
31
|
38
|
35
|
29
|
30
|
|
2024/09
|
24
|
26
|
23
|
22
|
21
|
24
|
33
|
30
|
23
|
18
|
18
|
21
|
21
|
23
|
27
|
27
|
26
|
25
|
28
|
33
|
39
|
30
|
27
|
26
|
29
|
27
|
22
|
20
|
21
|
19
|
|
|
2024/08
|
21
|
19
|
18
|
23
|
20
|
22
|
21
|
22
|
22
|
23
|
21
|
27
|
37
|
35
|
34
|
28
|
31
|
27
|
25
|
20
|
21
|
19
|
17
|
17
|
20
|
24
|
23
|
20
|
19
|
21
|
21
|
|
2024/07
|
21
|
20
|
19
|
18
|
19
|
20
|
19
|
21
|
18
|
19
|
14
|
18
|
20
|
18
|
18
|
21
|
21
|
19
|
21
|
19
|
15
|
15
|
18
|
21
|
19
|
19
|
23
|
21
|
21
|
17
|
21
|
|
2024/06
|
45
|
38
|
36
|
37
|
40
|
28
|
25
|
25
|
31
|
36
|
32
|
26
|
18
|
19
|
22
|
34
|
39
|
32
|
40
|
34
|
30
|
26
|
25
|
23
|
21
|
19
|
18
|
17
|
19
|
18
|
|
|
2024/05
|
72
|
60
|
47
|
62
|
68
|
51
|
53
|
59
|
52
|
36
|
31
|
46
|
46
|
45
|
48
|
50
|
45
|
43
|
46
|
50
|
33
|
37
|
32
|
32
|
22
|
22
|
20
|
20
|
33
|
43
|
45
|
|
2024/04
|
64
|
66
|
76
|
71
|
70
|
86
|
80
|
82
|
82
|
80
|
93
|
92
|
82
|
68
|
80
|
110
|
112
|
64
|
66
|
61
|
48
|
60
|
61
|
69
|
67
|
61
|
65
|
65
|
73
|
74
|
|
|
2024/03
|
46
|
50
|
54
|
52
|
41
|
41
|
43
|
50
|
54
|
65
|
65
|
73
|
79
|
73
|
72
|
86
|
82
|
66
|
66
|
82
|
74
|
43
|
41
|
47
|
43
|
57
|
66
|
63
|
69
|
89
|
77
|
|
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