Air Quality
Excellent
No health implications.
11
PM2.5
20
PM10
74
O3
0.6
CO
8
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Mar
61
Good
Fri
14 Mar
60
Good
Sat
15 Mar
59
Good
Sun
16 Mar
81
Good
Mon
17 Mar
61
Good
Tue
18 Mar
49
Excellent
Wed
19 Mar
37
Excellent
Air quality in the last 12 months (Shuangcheng)
|
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
|
|
2024/02
|
68
|
134
|
244
|
193
|
191
|
137
|
192
|
175
|
208
|
423
|
116
|
63
|
84
|
32
|
42
|
52
|
54
|
33
|
25
|
34
|
36
|
50
|
69
|
95
|
154
|
42
|
63
|
68
|
73
|
||
|
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