Air Quality
Excellent
No health implications.
19
PM2.5
27
PM10
46
O3
1.2
CO
9
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Feb
91
Good
Wed
4 Feb
114
Light
Thu
5 Feb
49
Excellent
Fri
6 Feb
47
Excellent
Sat
7 Feb
50
Excellent
Sun
8 Feb
22
Excellent
Mon
9 Feb
37
Excellent
Air quality in the last 12 months (Shuangtaizi)
|
2025/12
|
39
|
24
|
29
|
46
|
37
|
112
|
90
|
25
|
58
|
147
|
34
|
61
|
107
|
145
|
89
|
72
|
55
|
77
|
61
|
29
|
36
|
45
|
45
|
44
|
28
|
41
|
101
|
124
|
27
|
34
|
29
|
|
2025/11
|
50
|
32
|
40
|
51
|
104
|
50
|
90
|
197
|
36
|
26
|
44
|
109
|
34
|
79
|
128
|
64
|
40
|
47
|
55
|
29
|
45
|
67
|
141
|
122
|
23
|
53
|
35
|
50
|
70
|
34
|
|
|
2025/10
|
82
|
61
|
50
|
33
|
40
|
33
|
51
|
25
|
35
|
49
|
60
|
38
|
57
|
95
|
66
|
35
|
42
|
17
|
25
|
23
|
36
|
55
|
37
|
46
|
110
|
41
|
40
|
59
|
71
|
46
|
60
|
|
2025/09
|
44
|
52
|
52
|
42
|
38
|
29
|
29
|
23
|
44
|
24
|
46
|
37
|
38
|
35
|
27
|
31
|
17
|
25
|
46
|
44
|
40
|
54
|
41
|
35
|
34
|
62
|
53
|
29
|
51
|
49
|
|
|
2025/08
|
31
|
20
|
27
|
14
|
24
|
22
|
25
|
24
|
28
|
25
|
29
|
33
|
20
|
44
|
34
|
20
|
22
|
26
|
31
|
23
|
35
|
24
|
31
|
12
|
13
|
22
|
31
|
16
|
27
|
42
|
41
|
|
2025/07
|
21
|
25
|
14
|
34
|
40
|
16
|
33
|
36
|
26
|
29
|
41
|
34
|
19
|
19
|
20
|
28
|
28
|
19
|
24
|
19
|
23
|
28
|
18
|
19
|
31
|
33
|
31
|
31
|
20
|
15
|
32
|
|
2025/06
|
31
|
51
|
38
|
21
|
43
|
53
|
20
|
34
|
37
|
21
|
54
|
38
|
27
|
24
|
38
|
18
|
32
|
49
|
40
|
39
|
25
|
32
|
60
|
43
|
43
|
31
|
38
|
34
|
53
|
26
|
|
|
2025/05
|
32
|
30
|
43
|
40
|
30
|
36
|
41
|
46
|
37
|
39
|
64
|
59
|
59
|
63
|
60
|
39
|
29
|
25
|
52
|
66
|
50
|
62
|
28
|
50
|
32
|
45
|
52
|
51
|
46
|
54
|
49
|
|
2025/04
|
77
|
56
|
48
|
60
|
51
|
59
|
88
|
44
|
55
|
60
|
56
|
40
|
20
|
23
|
40
|
68
|
83
|
24
|
40
|
41
|
41
|
23
|
47
|
55
|
43
|
58
|
42
|
41
|
66
|
81
|
|
|
2025/03
|
113
|
59
|
38
|
58
|
65
|
52
|
55
|
84
|
122
|
100
|
82
|
80
|
49
|
51
|
41
|
33
|
55
|
35
|
53
|
75
|
50
|
63
|
138
|
69
|
133
|
129
|
56
|
29
|
26
|
28
|
64
|
|
2025/02
|
85
|
99
|
41
|
35
|
42
|
63
|
63
|
46
|
50
|
52
|
74
|
50
|
62
|
104
|
113
|
50
|
33
|
34
|
46
|
40
|
46
|
38
|
37
|
47
|
65
|
72
|
133
|
174
|
|||
|
2025/01
|
73
|
44
|
53
|
105
|
121
|
82
|
50
|
36
|
53
|
68
|
129
|
152
|
89
|
45
|
30
|
78
|
46
|
73
|
80
|
100
|
54
|
64
|
123
|
121
|
89
|
134
|
84
|
70
|
144
|
64
|
84
|
|
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