Air Quality
Excellent
No health implications.
23
PM2.5
42
PM10
64
O3
0.6
CO
4
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Jul
53
Good
Sat
19 Jul
50
Excellent
Sun
20 Jul
49
Excellent
Mon
21 Jul
55
Good
Tue
22 Jul
66
Good
Wed
23 Jul
47
Excellent
Thu
24 Jul
41
Excellent
Air quality in the last 12 months (Guichi)
|
2025/06
|
11
|
10
|
29
|
40
|
36
|
30
|
24
|
14
|
28
|
22
|
18
|
26
|
36
|
21
|
14
|
33
|
31
|
14
|
10
|
13
|
11
|
13
|
18
|
28
|
28
|
22
|
17
|
14
|
21
|
20
|
|
|
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
|
|
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