Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
31
O3
0.4
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Apr
53
Good
Wed
22 Apr
35
Excellent
Thu
23 Apr
51
Good
Fri
24 Apr
52
Good
Sat
25 Apr
53
Good
Sun
26 Apr
34
Excellent
Mon
27 Apr
18
Excellent
Air quality in the last 12 months (Chuanshan)
|
2026/03
|
14
|
25
|
50
|
35
|
34
|
47
|
35
|
31
|
21
|
34
|
39
|
49
|
50
|
20
|
24
|
18
|
17
|
28
|
28
|
30
|
39
|
41
|
35
|
26
|
28
|
33
|
45
|
40
|
28
|
23
|
28
|
|
2026/02
|
57
|
70
|
85
|
72
|
75
|
82
|
67
|
50
|
50
|
56
|
61
|
64
|
73
|
79
|
68
|
48
|
96
|
79
|
67
|
82
|
81
|
87
|
68
|
55
|
44
|
37
|
41
|
27
|
|||
|
2026/01
|
22
|
25
|
32
|
37
|
50
|
50
|
64
|
81
|
94
|
103
|
148
|
139
|
110
|
115
|
156
|
134
|
157
|
149
|
41
|
23
|
35
|
44
|
50
|
53
|
78
|
86
|
73
|
85
|
70
|
22
|
48
|
|
2025/12
|
98
|
107
|
55
|
53
|
59
|
59
|
73
|
75
|
86
|
85
|
80
|
72
|
56
|
69
|
71
|
78
|
92
|
117
|
113
|
78
|
30
|
25
|
44
|
44
|
47
|
53
|
62
|
76
|
80
|
115
|
68
|
|
2025/11
|
23
|
33
|
45
|
34
|
40
|
41
|
16
|
25
|
14
|
11
|
35
|
39
|
52
|
41
|
29
|
29
|
18
|
33
|
50
|
61
|
64
|
72
|
72
|
70
|
70
|
68
|
76
|
78
|
80
|
99
|
|
|
2025/10
|
11
|
13
|
17
|
14
|
12
|
12
|
26
|
43
|
47
|
53
|
24
|
16
|
18
|
27
|
24
|
24
|
18
|
18
|
13
|
13
|
12
|
14
|
20
|
17
|
18
|
26
|
27
|
35
|
32
|
29
|
34
|
|
2025/09
|
37
|
35
|
20
|
24
|
20
|
26
|
19
|
22
|
21
|
25
|
20
|
12
|
22
|
32
|
48
|
58
|
13
|
11
|
12
|
18
|
12
|
14
|
13
|
23
|
31
|
25
|
25
|
14
|
15
|
13
|
|
|
2025/08
|
33
|
36
|
35
|
39
|
46
|
57
|
20
|
28
|
21
|
14
|
15
|
23
|
36
|
41
|
39
|
25
|
34
|
30
|
34
|
34
|
39
|
17
|
19
|
20
|
18
|
25
|
36
|
28
|
13
|
15
|
23
|
|
2025/07
|
12
|
18
|
16
|
22
|
14
|
22
|
14
|
13
|
14
|
17
|
20
|
21
|
32
|
36
|
36
|
38
|
41
|
33
|
26
|
21
|
17
|
15
|
10
|
14
|
15
|
19
|
25
|
35
|
38
|
36
|
27
|
|
2025/06
|
21
|
21
|
38
|
50
|
48
|
39
|
30
|
22
|
23
|
35
|
43
|
47
|
45
|
43
|
36
|
40
|
39
|
14
|
20
|
34
|
15
|
13
|
15
|
24
|
12
|
21
|
30
|
32
|
31
|
10
|
|
|
2025/05
|
54
|
66
|
68
|
42
|
40
|
57
|
54
|
30
|
103
|
71
|
61
|
91
|
49
|
79
|
122
|
116
|
86
|
104
|
91
|
82
|
85
|
67
|
68
|
62
|
50
|
45
|
36
|
19
|
27
|
32
|
22
|
|
2025/04
|
45
|
63
|
64
|
56
|
56
|
53
|
61
|
70
|
73
|
74
|
40
|
339
|
218
|
143
|
107
|
94
|
77
|
71
|
104
|
50
|
57
|
62
|
65
|
37
|
47
|
33
|
33
|
49
|
32
|
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