Air Quality
Excellent
No health implications.
11
PM2.5
20
PM10
9
O3
0.4
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Sep
36
Excellent
Fri
19 Sep
43
Excellent
Sat
20 Sep
42
Excellent
Sun
21 Sep
40
Excellent
Mon
22 Sep
40
Excellent
Tue
23 Sep
39
Excellent
Wed
24 Sep
16
Excellent
Leishan Air quality rank
Air quality in the last 12 months (Leishan)
|
2025/08
|
20
|
23
|
22
|
28
|
24
|
14
|
11
|
10
|
17
|
18
|
17
|
30
|
36
|
21
|
13
|
11
|
12
|
15
|
13
|
13
|
13
|
13
|
12
|
15
|
15
|
16
|
13
|
14
|
21
|
20
|
19
|
|
2025/07
|
10
|
8
|
10
|
12
|
15
|
19
|
20
|
23
|
21
|
17
|
14
|
22
|
19
|
15
|
11
|
15
|
19
|
29
|
30
|
24
|
14
|
9
|
8
|
9
|
11
|
12
|
18
|
19
|
20
|
21
|
20
|
|
2025/06
|
16
|
9
|
16
|
22
|
31
|
26
|
23
|
36
|
30
|
20
|
20
|
24
|
20
|
13
|
19
|
24
|
13
|
11
|
10
|
6
|
8
|
10
|
7
|
11
|
14
|
17
|
12
|
7
|
9
|
9
|
|
|
2025/05
|
34
|
47
|
41
|
21
|
22
|
25
|
23
|
27
|
20
|
20
|
24
|
29
|
26
|
41
|
42
|
25
|
34
|
34
|
40
|
21
|
18
|
19
|
21
|
48
|
36
|
19
|
14
|
9
|
14
|
20
|
13
|
|
2025/04
|
31
|
43
|
56
|
62
|
61
|
59
|
84
|
77
|
71
|
58
|
56
|
59
|
149
|
87
|
64
|
70
|
61
|
60
|
26
|
26
|
36
|
23
|
45
|
25
|
27
|
29
|
18
|
26
|
40
|
24
|
|
|
2025/03
|
40
|
35
|
46
|
19
|
14
|
21
|
28
|
34
|
28
|
26
|
28
|
35
|
34
|
18
|
11
|
28
|
34
|
21
|
27
|
35
|
44
|
54
|
64
|
59
|
64
|
70
|
72
|
71
|
22
|
14
|
25
|
|
2025/02
|
16
|
10
|
31
|
49
|
52
|
32
|
26
|
57
|
55
|
46
|
45
|
40
|
55
|
26
|
25
|
41
|
32
|
22
|
19
|
14
|
29
|
16
|
19
|
53
|
25
|
33
|
26
|
26
|
|||
|
2025/01
|
82
|
81
|
79
|
95
|
100
|
72
|
68
|
50
|
31
|
45
|
49
|
51
|
49
|
67
|
64
|
70
|
65
|
66
|
74
|
72
|
89
|
98
|
121
|
118
|
29
|
17
|
38
|
50
|
99
|
54
|
37
|
|
2024/12
|
49
|
68
|
68
|
90
|
25
|
18
|
20
|
44
|
36
|
13
|
18
|
49
|
62
|
48
|
42
|
46
|
60
|
60
|
72
|
87
|
90
|
85
|
92
|
76
|
78
|
84
|
71
|
74
|
75
|
86
|
60
|
|
2024/11
|
38
|
43
|
52
|
51
|
55
|
61
|
48
|
41
|
48
|
48
|
43
|
46
|
55
|
61
|
67
|
67
|
38
|
11
|
9
|
11
|
14
|
21
|
38
|
27
|
15
|
16
|
26
|
29
|
31
|
36
|
|
|
2024/10
|
9
|
17
|
39
|
36
|
37
|
47
|
48
|
33
|
30
|
33
|
50
|
62
|
67
|
25
|
24
|
26
|
20
|
19
|
13
|
14
|
22
|
14
|
17
|
20
|
21
|
30
|
28
|
32
|
36
|
36
|
43
|
|
2024/09
|
20
|
18
|
15
|
17
|
28
|
34
|
26
|
19
|
14
|
16
|
23
|
28
|
38
|
25
|
23
|
25
|
30
|
29
|
27
|
26
|
23
|
17
|
23
|
30
|
34
|
40
|
45
|
42
|
33
|
22
|
|
|
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