Air Quality
Excellent
No health implications.
24
PM2.5
34
PM10
66
O3
0.5
CO
9
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
55
Good
Fri
2 May
50
Excellent
Sat
3 May
59
Good
Sun
4 May
59
Good
Mon
5 May
57
Good
Tue
6 May
59
Good
Wed
7 May
17
Excellent
Air quality in the last 12 months (Shuangcheng)
|
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
|
|
2024/06
|
21
|
23
|
30
|
28
|
39
|
35
|
44
|
26
|
24
|
23
|
41
|
27
|
26
|
18
|
10
|
18
|
18
|
27
|
45
|
40
|
34
|
19
|
11
|
10
|
18
|
31
|
40
|
47
|
39
|
48
|
|
|
2024/05
|
49
|
54
|
74
|
69
|
61
|
62
|
52
|
63
|
42
|
46
|
33
|
29
|
29
|
26
|
25
|
33
|
46
|
51
|
30
|
40
|
55
|
63
|
41
|
30
|
38
|
17
|
13
|
24
|
35
|
17
|
14
|
|
2024/04
|
49
|
62
|
60
|
52
|
71
|
76
|
44
|
36
|
76
|
160
|
132
|
101
|
78
|
82
|
125
|
66
|
55
|
61
|
80
|
206
|
155
|
152
|
69
|
73
|
48
|
53
|
45
|
47
|
80
|
60
|
|
|
2024/03
|
36
|
40
|
44
|
44
|
51
|
61
|
58
|
37
|
49
|
76
|
92
|
42
|
48
|
44
|
49
|
41
|
19
|
30
|
42
|
35
|
41
|
36
|
53
|
23
|
40
|
61
|
58
|
183
|
63
|
41
|
41
|
|
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