Air Quality
Excellent
No health implications.
24
PM2.5
37
PM10
40
O3
0.7
CO
5
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Sep
84
Good
Thu
24 Sep
88
Good
Fri
25 Sep
96
Good
Sat
26 Sep
83
Good
Sun
27 Sep
56
Good
Mon
28 Sep
15
Excellent
Tue
29 Sep
40
Excellent
Air quality in the last 12 months (Guichi)
|
2026/08
|
24
|
31
|
36
|
49
|
35
|
36
|
31
|
30
|
20
|
17
|
14
|
19
|
22
|
15
|
26
|
34
|
40
|
50
|
37
|
31
|
27
|
23
|
26
|
19
|
22
|
27
|
44
|
27
|
25
|
27
|
32
|
|
2026/07
|
23
|
14
|
16
|
19
|
12
|
15
|
17
|
15
|
18
|
31
|
33
|
19
|
20
|
24
|
19
|
18
|
22
|
28
|
24
|
15
|
16
|
20
|
28
|
28
|
40
|
29
|
24
|
18
|
16
|
21
|
22
|
|
2026/06
|
72
|
62
|
36
|
41
|
54
|
50
|
54
|
38
|
28
|
41
|
54
|
41
|
23
|
32
|
37
|
31
|
39
|
37
|
12
|
25
|
20
|
18
|
22
|
20
|
31
|
59
|
68
|
67
|
55
|
26
|
|
|
2026/05
|
30
|
31
|
26
|
28
|
29
|
36
|
43
|
37
|
40
|
37
|
33
|
46
|
64
|
51
|
26
|
27
|
42
|
45
|
35
|
15
|
31
|
28
|
26
|
14
|
21
|
19
|
30
|
38
|
57
|
60
|
67
|
|
2026/04
|
39
|
44
|
31
|
43
|
66
|
63
|
56
|
45
|
33
|
36
|
41
|
28
|
32
|
27
|
30
|
41
|
36
|
52
|
48
|
50
|
37
|
14
|
19
|
28
|
29
|
35
|
56
|
35
|
28
|
30
|
|
|
2026/03
|
26
|
15
|
47
|
67
|
49
|
57
|
75
|
69
|
66
|
71
|
58
|
58
|
70
|
68
|
81
|
35
|
19
|
21
|
53
|
71
|
50
|
32
|
52
|
33
|
44
|
62
|
59
|
39
|
47
|
42
|
53
|
|
2026/02
|
34
|
56
|
67
|
63
|
60
|
51
|
44
|
53
|
49
|
59
|
73
|
74
|
66
|
45
|
54
|
34
|
98
|
63
|
65
|
46
|
37
|
85
|
134
|
32
|
33
|
19
|
27
|
25
|
|||
|
2026/01
|
32
|
69
|
83
|
93
|
96
|
78
|
57
|
53
|
48
|
83
|
76
|
58
|
68
|
55
|
74
|
80
|
169
|
121
|
24
|
43
|
67
|
55
|
70
|
66
|
139
|
73
|
46
|
105
|
80
|
29
|
38
|
|
2025/12
|
111
|
87
|
90
|
71
|
89
|
74
|
69
|
122
|
75
|
86
|
105
|
65
|
38
|
64
|
55
|
59
|
164
|
178
|
120
|
166
|
44
|
47
|
39
|
64
|
94
|
44
|
57
|
61
|
68
|
145
|
47
|
|
2025/11
|
40
|
58
|
47
|
61
|
60
|
34
|
13
|
20
|
26
|
50
|
35
|
42
|
52
|
64
|
76
|
76
|
42
|
38
|
34
|
42
|
60
|
71
|
66
|
64
|
110
|
77
|
179
|
114
|
71
|
58
|
|
|
2025/10
|
28
|
42
|
26
|
41
|
53
|
45
|
71
|
52
|
42
|
56
|
55
|
45
|
28
|
35
|
41
|
32
|
32
|
13
|
21
|
27
|
29
|
33
|
40
|
41
|
52
|
47
|
47
|
65
|
76
|
55
|
34
|
|
2025/09
|
18
|
23
|
26
|
35
|
33
|
33
|
48
|
40
|
14
|
16
|
18
|
19
|
27
|
23
|
25
|
33
|
35
|
31
|
37
|
27
|
19
|
33
|
52
|
12
|
25
|
35
|
39
|
42
|
42
|
28
|
|
|
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