Air Quality
Excellent
No health implications.
11
PM2.5
29
PM10
75
O3
0.1
CO
3
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Sep
55
Good
Tue
16 Sep
49
Excellent
Wed
17 Sep
50
Excellent
Thu
18 Sep
47
Excellent
Fri
19 Sep
42
Excellent
Sat
20 Sep
48
Excellent
Sun
21 Sep
45
Excellent
Air quality in the last 12 months (Shuanghe)
|
2025/08
|
74
|
37
|
32
|
27
|
31
|
33
|
31
|
38
|
33
|
64
|
34
|
37
|
43
|
43
|
40
|
33
|
34
|
32
|
27
|
26
|
32
|
33
|
34
|
38
|
28
|
28
|
33
|
33
|
39
|
40
|
60
|
|
2025/07
|
35
|
33
|
26
|
28
|
35
|
47
|
29
|
30
|
28
|
26
|
28
|
39
|
29
|
31
|
31
|
35
|
30
|
30
|
36
|
43
|
44
|
39
|
38
|
41
|
39
|
42
|
46
|
65
|
64
|
41
|
28
|
|
2025/06
|
32
|
38
|
45
|
36
|
35
|
51
|
45
|
59
|
30
|
42
|
32
|
37
|
31
|
35
|
29
|
26
|
23
|
24
|
27
|
48
|
41
|
32
|
34
|
27
|
35
|
26
|
26
|
23
|
30
|
29
|
|
|
2025/05
|
64
|
36
|
29
|
33
|
48
|
42
|
44
|
42
|
44
|
62
|
43
|
31
|
30
|
31
|
31
|
40
|
45
|
83
|
42
|
29
|
36
|
34
|
36
|
40
|
26
|
36
|
51
|
52
|
46
|
40
|
39
|
|
2025/04
|
53
|
63
|
49
|
55
|
76
|
49
|
43
|
57
|
92
|
61
|
51
|
59
|
71
|
97
|
69
|
45
|
41
|
69
|
87
|
44
|
49
|
55
|
50
|
48
|
29
|
39
|
39
|
53
|
56
|
100
|
|
|
2025/03
|
72
|
54
|
52
|
35
|
41
|
34
|
41
|
40
|
34
|
31
|
40
|
39
|
42
|
35
|
33
|
41
|
49
|
51
|
55
|
46
|
57
|
61
|
60
|
48
|
183
|
66
|
55
|
46
|
52
|
57
|
59
|
|
2025/02
|
46
|
54
|
56
|
52
|
57
|
61
|
70
|
69
|
82
|
65
|
88
|
79
|
52
|
63
|
70
|
64
|
64
|
75
|
82
|
68
|
60
|
62
|
60
|
64
|
63
|
63
|
57
|
64
|
|||
|
2025/01
|
112
|
92
|
67
|
79
|
56
|
56
|
60
|
64
|
45
|
45
|
43
|
59
|
65
|
57
|
55
|
58
|
73
|
77
|
87
|
97
|
85
|
66
|
39
|
41
|
48
|
53
|
47
|
54
|
118
|
83
|
44
|
|
2024/12
|
68
|
51
|
41
|
39
|
32
|
36
|
41
|
38
|
40
|
41
|
41
|
51
|
51
|
65
|
74
|
52
|
38
|
45
|
46
|
61
|
60
|
59
|
57
|
73
|
68
|
74
|
65
|
92
|
81
|
76
|
100
|
|
2024/11
|
47
|
55
|
58
|
62
|
64
|
54
|
43
|
31
|
29
|
36
|
54
|
53
|
36
|
42
|
43
|
49
|
53
|
63
|
74
|
74
|
74
|
63
|
42
|
51
|
54
|
63
|
60
|
74
|
67
|
74
|
|
|
2024/10
|
48
|
50
|
56
|
38
|
44
|
48
|
53
|
45
|
47
|
55
|
59
|
50
|
42
|
46
|
53
|
34
|
26
|
25
|
32
|
33
|
41
|
51
|
57
|
36
|
35
|
41
|
51
|
48
|
26
|
31
|
39
|
|
2024/09
|
37
|
35
|
27
|
29
|
35
|
45
|
33
|
23
|
33
|
41
|
40
|
26
|
35
|
35
|
38
|
44
|
41
|
60
|
55
|
50
|
52
|
53
|
52
|
46
|
39
|
24
|
23
|
29
|
35
|
37
|
|
|
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