Air Quality
Excellent
No health implications.
15
PM2.5
33
PM10
7
O3
0.5
CO
10
SO2
30
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Apr
33
Excellent
Thu
18 Apr
31
Excellent
Fri
19 Apr
36
Excellent
Sat
20 Apr
39
Excellent
Sun
21 Apr
33
Excellent
Mon
22 Apr
45
Excellent
Air quality in the last 12 months (Chuanshan)
|
2024/02
|
81
|
73
|
26
|
26
|
29
|
43
|
43
|
45
|
63
|
152
|
84
|
81
|
90
|
82
|
35
|
36
|
48
|
50
|
261
|
310
|
19
|
16
|
13
|
27
|
42
|
50
|
58
|
58
|
53
|
||
|
2024/01
|
126
|
53
|
63
|
73
|
84
|
89
|
97
|
102
|
86
|
80
|
82
|
78
|
94
|
108
|
110
|
31
|
29
|
43
|
40
|
28
|
20
|
25
|
35
|
28
|
33
|
42
|
57
|
58
|
73
|
87
|
93
|
|
2023/12
|
24
|
31
|
41
|
47
|
50
|
71
|
71
|
78
|
91
|
129
|
59
|
41
|
41
|
41
|
45
|
53
|
57
|
58
|
65
|
62
|
70
|
85
|
91
|
80
|
84
|
96
|
109
|
113
|
150
|
149
|
132
|
|
2023/11
|
50
|
55
|
46
|
34
|
42
|
44
|
54
|
53
|
64
|
56
|
30
|
18
|
17
|
23
|
25
|
55
|
65
|
71
|
64
|
68
|
81
|
109
|
91
|
107
|
68
|
40
|
55
|
61
|
56
|
27
|
|
|
2023/10
|
23
|
16
|
16
|
17
|
14
|
16
|
23
|
32
|
31
|
26
|
32
|
17
|
29
|
44
|
51
|
57
|
53
|
35
|
22
|
35
|
49
|
59
|
63
|
67
|
90
|
83
|
27
|
32
|
46
|
55
|
47
|
|
2023/09
|
48
|
58
|
68
|
68
|
79
|
58
|
55
|
52
|
56
|
42
|
32
|
25
|
26
|
42
|
48
|
56
|
54
|
30
|
17
|
22
|
26
|
18
|
12
|
11
|
14
|
16
|
20
|
17
|
19
|
25
|
|
|
2023/08
|
29
|
25
|
23
|
27
|
27
|
26
|
27
|
31
|
37
|
42
|
41
|
26
|
30
|
44
|
41
|
53
|
44
|
61
|
43
|
27
|
36
|
48
|
50
|
30
|
22
|
21
|
27
|
32
|
37
|
31
|
50
|
|
2023/07
|
49
|
25
|
23
|
31
|
42
|
44
|
40
|
55
|
56
|
49
|
43
|
43
|
28
|
35
|
54
|
64
|
53
|
47
|
41
|
25
|
23
|
30
|
40
|
39
|
29
|
24
|
16
|
19
|
27
|
36
|
38
|
|
2023/06
|
25
|
17
|
17
|
16
|
26
|
31
|
29
|
45
|
50
|
55
|
49
|
51
|
51
|
47
|
32
|
25
|
30
|
35
|
45
|
50
|
29
|
34
|
40
|
42
|
42
|
51
|
48
|
22
|
30
|
41
|
|
|
2023/05
|
67
|
47
|
47
|
43
|
60
|
34
|
20
|
17
|
23
|
24
|
43
|
57
|
69
|
80
|
80
|
74
|
55
|
43
|
50
|
53
|
48
|
29
|
28
|
39
|
46
|
23
|
26
|
41
|
29
|
42
|
45
|
|
2023/04
|
66
|
53
|
26
|
35
|
23
|
80
|
89
|
80
|
73
|
76
|
71
|
58
|
46
|
43
|
63
|
64
|
66
|
46
|
52
|
50
|
65
|
17
|
16
|
17
|
29
|
52
|
44
|
49
|
70
|
72
|
|
|
2023/03
|
68
|
100
|
73
|
77
|
94
|
66
|
61
|
72
|
89
|
50
|
50
|
68
|
52
|
60
|
68
|
34
|
34
|
28
|
36
|
32
|
41
|
80
|
24
|
15
|
19
|
21
|
21
|
32
|
43
|
56
|
54
|
|
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