Air Quality
Excellent
No health implications.
7
PM2.5
14
PM10
17
O3
0.4
CO
7
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Aug
47
Excellent
Fri
8 Aug
49
Excellent
Sat
9 Aug
52
Good
Sun
10 Aug
48
Excellent
Mon
11 Aug
56
Good
Tue
12 Aug
25
Excellent
Wed
13 Aug
29
Excellent
Air quality in the last 12 months (Shuangcheng)
|
2025/06
|
22
|
38
|
20
|
26
|
19
|
16
|
20
|
27
|
21
|
18
|
16
|
28
|
34
|
27
|
27
|
25
|
17
|
29
|
21
|
14
|
12
|
20
|
30
|
42
|
49
|
49
|
46
|
36
|
42
|
46
|
|
|
2025/05
|
37
|
28
|
27
|
19
|
25
|
30
|
41
|
36
|
40
|
29
|
41
|
55
|
56
|
47
|
59
|
36
|
22
|
26
|
23
|
34
|
37
|
32
|
24
|
29
|
33
|
28
|
37
|
47
|
47
|
47
|
50
|
|
2025/04
|
97
|
59
|
52
|
70
|
43
|
49
|
54
|
56
|
95
|
161
|
199
|
59
|
40
|
24
|
21
|
38
|
154
|
59
|
31
|
64
|
75
|
19
|
29
|
38
|
17
|
31
|
38
|
53
|
63
|
42
|
|
|
2025/03
|
31
|
30
|
44
|
51
|
52
|
75
|
58
|
68
|
96
|
216
|
114
|
67
|
24
|
35
|
35
|
41
|
47
|
41
|
81
|
120
|
130
|
47
|
66
|
92
|
141
|
70
|
36
|
21
|
21
|
26
|
70
|
|
2025/02
|
122
|
146
|
125
|
72
|
84
|
87
|
42
|
33
|
68
|
107
|
127
|
93
|
62
|
44
|
80
|
41
|
37
|
36
|
57
|
55
|
56
|
63
|
60
|
51
|
61
|
42
|
80
|
85
|
|||
|
2025/01
|
103
|
89
|
53
|
95
|
134
|
126
|
142
|
65
|
91
|
103
|
154
|
156
|
128
|
185
|
64
|
46
|
66
|
72
|
163
|
244
|
207
|
121
|
161
|
231
|
264
|
253
|
93
|
56
|
78
|
41
|
94
|
|
2024/12
|
55
|
20
|
22
|
30
|
39
|
37
|
45
|
55
|
88
|
91
|
42
|
76
|
109
|
51
|
35
|
51
|
83
|
76
|
80
|
151
|
100
|
50
|
85
|
53
|
52
|
36
|
46
|
54
|
56
|
84
|
95
|
|
2024/11
|
79
|
85
|
88
|
42
|
38
|
70
|
139
|
118
|
114
|
82
|
247
|
104
|
150
|
112
|
156
|
49
|
37
|
45
|
86
|
133
|
147
|
41
|
88
|
83
|
125
|
57
|
22
|
42
|
26
|
57
|
|
|
2024/10
|
25
|
36
|
28
|
32
|
45
|
33
|
46
|
50
|
43
|
22
|
31
|
40
|
53
|
49
|
15
|
26
|
57
|
43
|
21
|
35
|
35
|
41
|
48
|
59
|
57
|
83
|
64
|
46
|
51
|
63
|
68
|
|
2024/09
|
13
|
19
|
20
|
23
|
16
|
21
|
20
|
26
|
34
|
30
|
24
|
22
|
33
|
24
|
27
|
23
|
29
|
28
|
31
|
28
|
41
|
31
|
28
|
33
|
28
|
37
|
45
|
34
|
39
|
19
|
|
|
2024/08
|
16
|
21
|
22
|
25
|
17
|
23
|
28
|
32
|
31
|
37
|
17
|
16
|
32
|
37
|
40
|
36
|
48
|
43
|
20
|
18
|
22
|
17
|
26
|
37
|
25
|
21
|
28
|
20
|
25
|
27
|
20
|
|
2024/07
|
54
|
48
|
38
|
18
|
27
|
39
|
63
|
65
|
60
|
73
|
87
|
66
|
64
|
61
|
58
|
49
|
23
|
24
|
37
|
35
|
31
|
31
|
17
|
38
|
27
|
27
|
15
|
11
|
16
|
23
|
20
|
|
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