Air Quality
Excellent
No health implications.
28
PM2.5
32
PM10
86
O3
0.3
CO
9
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jul
46
Excellent
Tue
29 Jul
46
Excellent
Wed
30 Jul
52
Good
Thu
31 Jul
53
Good
Fri
1 Aug
54
Good
Sat
2 Aug
16
Excellent
Sun
3 Aug
48
Excellent
Air quality in the last 12 months (Shuangtaizi)
|
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
|
|
2024/12
|
57
|
21
|
32
|
39
|
44
|
25
|
36
|
50
|
75
|
47
|
48
|
76
|
46
|
45
|
41
|
51
|
32
|
43
|
66
|
70
|
38
|
47
|
41
|
73
|
87
|
40
|
38
|
49
|
85
|
74
|
40
|
|
2024/11
|
64
|
60
|
83
|
24
|
30
|
46
|
73
|
60
|
51
|
51
|
36
|
66
|
67
|
34
|
72
|
30
|
19
|
17
|
48
|
80
|
49
|
32
|
73
|
82
|
45
|
21
|
29
|
43
|
55
|
46
|
|
|
2024/10
|
22
|
21
|
26
|
44
|
58
|
63
|
47
|
76
|
42
|
28
|
39
|
53
|
73
|
45
|
23
|
33
|
53
|
49
|
26
|
32
|
30
|
28
|
34
|
64
|
125
|
93
|
26
|
59
|
72
|
44
|
71
|
|
2024/09
|
20
|
17
|
31
|
29
|
21
|
25
|
40
|
52
|
32
|
19
|
26
|
31
|
38
|
12
|
19
|
39
|
45
|
27
|
47
|
15
|
15
|
20
|
41
|
36
|
29
|
45
|
45
|
63
|
46
|
14
|
|
|
2024/08
|
31
|
20
|
40
|
18
|
15
|
27
|
28
|
38
|
49
|
29
|
46
|
29
|
16
|
23
|
24
|
29
|
38
|
47
|
22
|
34
|
23
|
24
|
28
|
49
|
38
|
33
|
25
|
22
|
32
|
36
|
27
|
|
2024/07
|
54
|
78
|
42
|
46
|
54
|
50
|
31
|
49
|
51
|
45
|
54
|
56
|
48
|
56
|
44
|
19
|
22
|
47
|
49
|
30
|
29
|
23
|
32
|
30
|
19
|
10
|
21
|
17
|
29
|
33
|
28
|
|
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