Air Quality
Excellent
No health implications.
13
PM2.5
14
PM10
79
O3
0.6
CO
15
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 May
64
Good
Sun
18 May
63
Good
Mon
19 May
84
Good
Tue
20 May
81
Good
Wed
21 May
85
Good
Thu
22 May
47
Excellent
Fri
23 May
52
Good
Air quality in the last 12 months (Shiguai)
|
2025/02
|
90
|
26
|
17
|
34
|
44
|
76
|
24
|
30
|
55
|
74
|
69
|
78
|
71
|
92
|
91
|
34
|
61
|
29
|
37
|
30
|
44
|
20
|
29
|
66
|
61
|
75
|
84
|
80
|
|||
|
2025/01
|
79
|
28
|
56
|
80
|
77
|
38
|
45
|
22
|
45
|
62
|
64
|
43
|
79
|
24
|
63
|
77
|
88
|
85
|
75
|
91
|
89
|
85
|
126
|
117
|
109
|
137
|
25
|
76
|
311
|
149
|
105
|
|
2024/12
|
53
|
32
|
57
|
32
|
42
|
30
|
29
|
58
|
65
|
72
|
61
|
90
|
77
|
59
|
67
|
75
|
39
|
44
|
74
|
38
|
26
|
64
|
64
|
71
|
60
|
29
|
53
|
68
|
180
|
90
|
72
|
|
2024/11
|
70
|
76
|
33
|
22
|
53
|
62
|
74
|
78
|
77
|
48
|
70
|
68
|
69
|
78
|
79
|
84
|
48
|
64
|
55
|
82
|
71
|
70
|
81
|
62
|
41
|
57
|
47
|
46
|
61
|
63
|
|
|
2024/10
|
16
|
32
|
47
|
54
|
57
|
26
|
40
|
54
|
47
|
39
|
62
|
60
|
34
|
44
|
27
|
70
|
77
|
22
|
29
|
34
|
38
|
32
|
48
|
64
|
59
|
38
|
33
|
57
|
49
|
49
|
57
|
|
2024/09
|
15
|
25
|
42
|
26
|
16
|
20
|
33
|
43
|
47
|
31
|
25
|
31
|
18
|
14
|
28
|
25
|
32
|
49
|
54
|
13
|
14
|
29
|
47
|
48
|
38
|
48
|
54
|
56
|
20
|
30
|
|
|
2024/08
|
33
|
46
|
23
|
29
|
34
|
35
|
26
|
31
|
46
|
41
|
12
|
11
|
22
|
28
|
36
|
36
|
28
|
41
|
25
|
26
|
24
|
31
|
38
|
53
|
28
|
13
|
29
|
43
|
46
|
51
|
43
|
|
2024/07
|
21
|
31
|
38
|
29
|
53
|
44
|
34
|
45
|
54
|
45
|
55
|
36
|
37
|
49
|
43
|
15
|
27
|
30
|
54
|
41
|
114
|
59
|
46
|
51
|
39
|
33
|
26
|
25
|
37
|
22
|
26
|
|
2024/06
|
45
|
63
|
44
|
33
|
40
|
43
|
32
|
49
|
48
|
36
|
65
|
66
|
55
|
18
|
25
|
35
|
55
|
47
|
38
|
42
|
46
|
252
|
172
|
81
|
40
|
68
|
53
|
53
|
20
|
25
|
|
|
2024/05
|
46
|
58
|
58
|
45
|
46
|
45
|
42
|
55
|
63
|
145
|
47
|
34
|
47
|
95
|
46
|
80
|
82
|
113
|
158
|
57
|
68
|
63
|
66
|
59
|
46
|
20
|
37
|
48
|
73
|
54
|
19
|
|
2024/04
|
81
|
54
|
47
|
66
|
46
|
48
|
59
|
68
|
65
|
88
|
85
|
98
|
71
|
290
|
127
|
49
|
71
|
79
|
71
|
29
|
64
|
157
|
37
|
93
|
256
|
80
|
124
|
39
|
22
|
29
|
|
|
2024/03
|
61
|
89
|
68
|
74
|
31
|
40
|
42
|
48
|
71
|
83
|
32
|
42
|
68
|
79
|
82
|
234
|
51
|
152
|
46
|
59
|
118
|
63
|
82
|
72
|
66
|
76
|
248
|
343
|
105
|
45
|
69
|
|
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