Air Quality
Excellent
No health implications.
3
PM2.5
16
PM10
29
O3
0.5
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 May
30
Excellent
Tue
19 May
37
Excellent
Wed
20 May
35
Excellent
Thu
21 May
39
Excellent
Fri
22 May
41
Excellent
Sat
23 May
34
Excellent
Sun
24 May
46
Excellent
Air quality in the last 12 months (Leishan)
|
2026/04
|
30
|
42
|
28
|
33
|
47
|
46
|
25
|
55
|
63
|
54
|
33
|
27
|
27
|
22
|
22
|
19
|
22
|
28
|
37
|
36
|
14
|
16
|
20
|
27
|
32
|
41
|
44
|
21
|
29
|
29
|
|
|
2026/03
|
13
|
14
|
25
|
24
|
28
|
44
|
47
|
14
|
16
|
29
|
28
|
33
|
42
|
49
|
33
|
19
|
21
|
16
|
26
|
19
|
29
|
21
|
25
|
17
|
20
|
22
|
21
|
21
|
27
|
37
|
26
|
|
2026/02
|
47
|
48
|
59
|
71
|
53
|
33
|
36
|
42
|
35
|
23
|
36
|
44
|
47
|
38
|
33
|
32
|
37
|
37
|
41
|
51
|
46
|
60
|
45
|
19
|
40
|
30
|
12
|
14
|
|||
|
2026/01
|
21
|
40
|
22
|
26
|
30
|
39
|
50
|
53
|
67
|
70
|
72
|
72
|
67
|
100
|
116
|
112
|
110
|
68
|
52
|
17
|
31
|
46
|
57
|
57
|
44
|
23
|
32
|
57
|
61
|
14
|
32
|
|
2025/12
|
101
|
71
|
71
|
58
|
60
|
73
|
67
|
57
|
60
|
64
|
81
|
73
|
34
|
44
|
56
|
58
|
76
|
46
|
41
|
50
|
56
|
59
|
31
|
36
|
49
|
53
|
61
|
65
|
71
|
71
|
58
|
|
2025/11
|
20
|
19
|
9
|
13
|
24
|
20
|
18
|
8
|
8
|
9
|
17
|
29
|
31
|
32
|
38
|
40
|
42
|
17
|
20
|
24
|
31
|
31
|
52
|
50
|
39
|
40
|
51
|
44
|
38
|
47
|
|
|
2025/10
|
12
|
13
|
17
|
13
|
18
|
20
|
18
|
16
|
19
|
24
|
21
|
23
|
32
|
35
|
21
|
15
|
20
|
18
|
9
|
8
|
10
|
18
|
32
|
37
|
34
|
23
|
22
|
28
|
43
|
36
|
28
|
|
2025/09
|
18
|
17
|
16
|
17
|
14
|
27
|
25
|
24
|
17
|
14
|
14
|
14
|
16
|
17
|
16
|
15
|
16
|
18
|
20
|
23
|
24
|
26
|
17
|
11
|
8
|
12
|
20
|
21
|
26
|
28
|
|
|
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
|
|
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