Air Quality
Excellent
No health implications.
24
PM2.5
44
PM10
31
O3
0.7
CO
14
SO2
37
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Apr
97
Good
Sat
19 Apr
64
Good
Sun
20 Apr
59
Good
Mon
21 Apr
199
Moderate
Tue
22 Apr
123
Light
Wed
23 Apr
98
Good
Thu
24 Apr
89
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