Air Quality
Excellent
No health implications.
8
PM2.5
15
PM10
54
O3
0.5
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
58
Good
Sat
10 May
85
Good
Sun
11 May
98
Good
Mon
12 May
99
Good
Tue
13 May
89
Good
Wed
14 May
87
Good
Thu
15 May
60
Good
Air quality in the last 12 months (Guichi)
|
2025/02
|
60
|
59
|
102
|
71
|
43
|
51
|
76
|
48
|
43
|
50
|
82
|
110
|
82
|
86
|
94
|
73
|
82
|
51
|
69
|
54
|
35
|
58
|
91
|
103
|
94
|
107
|
60
|
37
|
|||
|
2025/01
|
104
|
133
|
197
|
137
|
118
|
77
|
64
|
63
|
61
|
51
|
61
|
79
|
77
|
95
|
66
|
53
|
60
|
69
|
66
|
126
|
129
|
149
|
211
|
63
|
38
|
51
|
45
|
53
|
137
|
73
|
90
|
|
2024/12
|
50
|
57
|
112
|
64
|
63
|
72
|
133
|
63
|
67
|
82
|
81
|
96
|
85
|
74
|
55
|
62
|
79
|
102
|
48
|
69
|
109
|
65
|
89
|
109
|
129
|
153
|
99
|
107
|
64
|
84
|
105
|
|
2024/11
|
24
|
45
|
38
|
57
|
42
|
51
|
39
|
47
|
53
|
47
|
47
|
52
|
46
|
54
|
62
|
62
|
18
|
27
|
37
|
53
|
48
|
58
|
55
|
46
|
36
|
39
|
57
|
62
|
47
|
52
|
|
|
2024/10
|
24
|
43
|
33
|
34
|
37
|
16
|
12
|
38
|
43
|
46
|
54
|
58
|
60
|
44
|
36
|
28
|
23
|
30
|
23
|
38
|
51
|
31
|
44
|
42
|
41
|
27
|
16
|
54
|
48
|
37
|
34
|
|
2024/09
|
39
|
42
|
40
|
46
|
41
|
35
|
51
|
51
|
39
|
39
|
19
|
14
|
38
|
40
|
31
|
30
|
22
|
30
|
33
|
23
|
29
|
34
|
39
|
44
|
48
|
62
|
27
|
32
|
41
|
48
|
|
|
2024/08
|
15
|
20
|
27
|
26
|
28
|
27
|
29
|
32
|
36
|
35
|
32
|
31
|
29
|
24
|
25
|
41
|
43
|
46
|
23
|
19
|
32
|
30
|
36
|
42
|
42
|
46
|
21
|
13
|
28
|
36
|
39
|
|
2024/07
|
12
|
13
|
19
|
16
|
17
|
15
|
15
|
19
|
23
|
27
|
34
|
29
|
10
|
10
|
31
|
41
|
21
|
17
|
18
|
17
|
24
|
27
|
34
|
36
|
26
|
23
|
12
|
14
|
20
|
21
|
24
|
|
2024/06
|
21
|
33
|
33
|
43
|
31
|
28
|
24
|
34
|
43
|
19
|
18
|
27
|
31
|
31
|
39
|
47
|
31
|
31
|
11
|
16
|
19
|
8
|
12
|
21
|
19
|
27
|
9
|
9
|
17
|
11
|
|
|
2024/05
|
25
|
31
|
43
|
36
|
19
|
20
|
39
|
51
|
51
|
51
|
37
|
73
|
73
|
51
|
62
|
50
|
50
|
57
|
58
|
61
|
36
|
27
|
41
|
39
|
33
|
18
|
21
|
22
|
34
|
31
|
24
|
|
2024/04
|
40
|
16
|
29
|
39
|
46
|
39
|
30
|
18
|
27
|
51
|
59
|
54
|
45
|
35
|
44
|
62
|
52
|
37
|
32
|
38
|
29
|
39
|
40
|
90
|
64
|
55
|
59
|
33
|
22
|
34
|
|
|
2024/03
|
57
|
54
|
42
|
43
|
41
|
61
|
67
|
62
|
72
|
95
|
69
|
74
|
93
|
69
|
73
|
64
|
60
|
66
|
48
|
69
|
62
|
56
|
48
|
61
|
22
|
39
|
46
|
24
|
37
|
46
|
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