Air Quality
Excellent
No health implications.
21
PM2.5
49
PM10
50
O3
0.5
CO
8
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jul
94
Good
Thu
31 Jul
93
Good
Fri
1 Aug
89
Good
Sat
2 Aug
84
Good
Sun
3 Aug
96
Good
Mon
4 Aug
103
Light
Tue
5 Aug
30
Excellent
Chuanshan Air quality rank
Air quality in the last 12 months (Chuanshan)
|
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
|
|
|
2025/03
|
75
|
53
|
20
|
19
|
19
|
17
|
27
|
41
|
56
|
64
|
51
|
56
|
43
|
36
|
34
|
36
|
28
|
36
|
52
|
55
|
59
|
100
|
91
|
71
|
69
|
67
|
211
|
74
|
16
|
17
|
21
|
|
2025/02
|
47
|
41
|
38
|
48
|
47
|
22
|
28
|
28
|
50
|
57
|
63
|
58
|
54
|
31
|
53
|
59
|
64
|
51
|
56
|
57
|
35
|
43
|
33
|
42
|
48
|
68
|
68
|
69
|
|||
|
2025/01
|
111
|
135
|
168
|
102
|
77
|
86
|
75
|
55
|
59
|
49
|
51
|
59
|
80
|
98
|
80
|
60
|
74
|
74
|
99
|
110
|
107
|
139
|
147
|
103
|
29
|
68
|
66
|
82
|
227
|
124
|
63
|
|
2024/12
|
69
|
75
|
85
|
69
|
34
|
21
|
20
|
31
|
33
|
44
|
55
|
51
|
39
|
59
|
67
|
79
|
87
|
118
|
99
|
86
|
100
|
102
|
88
|
79
|
88
|
111
|
93
|
82
|
82
|
92
|
110
|
|
2024/11
|
33
|
41
|
43
|
38
|
27
|
36
|
43
|
58
|
40
|
34
|
35
|
36
|
41
|
33
|
32
|
27
|
14
|
8
|
12
|
20
|
32
|
47
|
46
|
32
|
21
|
34
|
44
|
60
|
75
|
77
|
|
|
2024/10
|
21
|
29
|
24
|
39
|
47
|
37
|
43
|
45
|
41
|
37
|
44
|
26
|
24
|
42
|
46
|
59
|
29
|
31
|
22
|
13
|
16
|
34
|
51
|
49
|
45
|
43
|
27
|
49
|
52
|
50
|
40
|
|
2024/09
|
41
|
56
|
40
|
45
|
41
|
54
|
38
|
37
|
33
|
22
|
24
|
27
|
41
|
38
|
44
|
34
|
42
|
48
|
48
|
41
|
17
|
26
|
32
|
48
|
53
|
70
|
75
|
74
|
49
|
19
|
|
|
2024/08
|
39
|
38
|
27
|
19
|
29
|
41
|
38
|
36
|
33
|
44
|
48
|
59
|
59
|
59
|
40
|
26
|
45
|
38
|
48
|
53
|
53
|
54
|
46
|
46
|
38
|
44
|
44
|
50
|
43
|
41
|
37
|
|
2024/07
|
19
|
31
|
22
|
19
|
14
|
27
|
28
|
16
|
14
|
12
|
17
|
30
|
31
|
14
|
22
|
30
|
29
|
19
|
22
|
16
|
26
|
25
|
31
|
33
|
70
|
67
|
48
|
24
|
26
|
36
|
42
|
|
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