Air Quality
Excellent
No health implications.
13
PM2.5
24
PM10
40
O3
0.5
CO
6
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
70
Good
Thu
1 May
86
Good
Fri
2 May
96
Good
Sat
3 May
100
Good
Sun
4 May
92
Good
Mon
5 May
25
Excellent
Tue
6 May
49
Excellent
Air quality in the last 12 months (Muchuan)
|
2025/02
|
42
|
34
|
40
|
50
|
29
|
28
|
25
|
29
|
39
|
48
|
65
|
49
|
57
|
57
|
60
|
70
|
84
|
84
|
71
|
41
|
40
|
26
|
32
|
26
|
29
|
36
|
66
|
82
|
|||
|
2025/01
|
111
|
139
|
130
|
161
|
125
|
127
|
87
|
48
|
48
|
75
|
34
|
65
|
79
|
82
|
83
|
82
|
90
|
59
|
66
|
81
|
136
|
165
|
153
|
85
|
25
|
43
|
61
|
66
|
130
|
101
|
69
|
|
2024/12
|
84
|
119
|
106
|
109
|
59
|
56
|
42
|
30
|
31
|
43
|
53
|
56
|
48
|
46
|
44
|
66
|
108
|
142
|
131
|
105
|
107
|
81
|
55
|
59
|
53
|
55
|
93
|
74
|
91
|
57
|
65
|
|
2024/11
|
25
|
36
|
54
|
32
|
35
|
53
|
47
|
47
|
51
|
40
|
35
|
40
|
38
|
41
|
60
|
30
|
20
|
19
|
25
|
27
|
47
|
56
|
60
|
40
|
13
|
22
|
34
|
40
|
56
|
58
|
|
|
2024/10
|
16
|
29
|
18
|
27
|
36
|
32
|
37
|
44
|
47
|
33
|
24
|
21
|
23
|
31
|
50
|
76
|
21
|
32
|
25
|
23
|
20
|
19
|
38
|
51
|
32
|
21
|
21
|
37
|
63
|
53
|
50
|
|
2024/09
|
24
|
31
|
32
|
32
|
22
|
28
|
38
|
40
|
37
|
25
|
21
|
34
|
39
|
30
|
39
|
27
|
30
|
34
|
46
|
48
|
25
|
42
|
51
|
64
|
57
|
54
|
67
|
72
|
58
|
7
|
|
|
2024/08
|
34
|
41
|
41
|
17
|
23
|
32
|
38
|
33
|
37
|
24
|
51
|
47
|
52
|
53
|
55
|
32
|
40
|
35
|
42
|
47
|
52
|
63
|
66
|
61
|
57
|
47
|
48
|
52
|
60
|
52
|
44
|
|
2024/07
|
16
|
24
|
27
|
33
|
29
|
29
|
40
|
21
|
11
|
10
|
18
|
21
|
28
|
13
|
25
|
26
|
26
|
15
|
23
|
20
|
21
|
21
|
34
|
23
|
23
|
42
|
38
|
19
|
22
|
21
|
32
|
|
2024/06
|
54
|
34
|
37
|
25
|
28
|
43
|
21
|
23
|
31
|
31
|
27
|
26
|
38
|
39
|
43
|
57
|
26
|
37
|
25
|
26
|
19
|
17
|
24
|
27
|
31
|
24
|
14
|
23
|
18
|
22
|
|
|
2024/05
|
38
|
34
|
32
|
20
|
34
|
62
|
71
|
57
|
31
|
44
|
31
|
32
|
35
|
52
|
51
|
47
|
60
|
30
|
39
|
34
|
30
|
43
|
44
|
47
|
51
|
24
|
37
|
32
|
18
|
19
|
33
|
|
2024/04
|
56
|
50
|
57
|
52
|
53
|
28
|
30
|
35
|
46
|
43
|
38
|
50
|
52
|
60
|
64
|
38
|
32
|
34
|
34
|
47
|
55
|
70
|
31
|
33
|
45
|
72
|
71
|
78
|
38
|
16
|
|
|
2024/03
|
64
|
57
|
78
|
99
|
73
|
61
|
57
|
62
|
89
|
101
|
45
|
70
|
61
|
55
|
73
|
68
|
86
|
41
|
59
|
63
|
62
|
74
|
75
|
63
|
26
|
50
|
51
|
34
|
49
|
59
|
52
|
|
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