Air Quality
Excellent
No health implications.
16
PM2.5
28
PM10
42
O3
1.0
CO
4
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jun
55
Good
Sun
15 Jun
51
Good
Mon
16 Jun
83
Good
Tue
17 Jun
94
Good
Wed
18 Jun
85
Good
Thu
19 Jun
30
Excellent
Fri
20 Jun
22
Excellent
Air quality in the last 12 months (Guichi)
|
2025/05
|
46
|
52
|
58
|
46
|
37
|
149
|
143
|
51
|
19
|
37
|
45
|
42
|
37
|
46
|
51
|
20
|
30
|
97
|
50
|
26
|
19
|
22
|
39
|
64
|
52
|
52
|
60
|
53
|
37
|
40
|
25
|
|
2025/04
|
46
|
57
|
65
|
62
|
69
|
63
|
61
|
59
|
60
|
59
|
57
|
194
|
119
|
100
|
47
|
50
|
62
|
65
|
75
|
63
|
40
|
38
|
44
|
49
|
54
|
51
|
27
|
51
|
53
|
53
|
|
|
2025/03
|
35
|
28
|
21
|
53
|
74
|
79
|
71
|
66
|
93
|
46
|
45
|
50
|
32
|
37
|
23
|
49
|
28
|
48
|
47
|
44
|
41
|
46
|
57
|
53
|
56
|
64
|
68
|
73
|
75
|
80
|
52
|
|
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
|
|
|
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