Air Quality
Excellent
No health implications.
20
PM2.5
30
PM10
43
O3
0.8
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Sep
77
Good
Sun
27 Sep
76
Good
Mon
28 Sep
75
Good
Tue
29 Sep
83
Good
Wed
30 Sep
61
Good
Thu
1 Oct
36
Excellent
Fri
2 Oct
21
Excellent
Air quality in the last 12 months (Lechang)
|
2026/08
|
16
|
14
|
17
|
20
|
25
|
36
|
35
|
34
|
27
|
28
|
21
|
30
|
23
|
16
|
21
|
25
|
26
|
26
|
30
|
31
|
25
|
29
|
23
|
19
|
22
|
20
|
26
|
29
|
30
|
18
|
20
|
|
2026/07
|
24
|
24
|
19
|
18
|
18
|
15
|
15
|
18
|
23
|
26
|
31
|
38
|
35
|
22
|
17
|
20
|
24
|
24
|
23
|
24
|
25
|
32
|
40
|
45
|
45
|
16
|
16
|
19
|
16
|
17
|
20
|
|
2026/06
|
41
|
36
|
36
|
31
|
21
|
26
|
24
|
25
|
21
|
30
|
32
|
42
|
29
|
18
|
32
|
36
|
26
|
15
|
17
|
20
|
22
|
24
|
28
|
26
|
21
|
20
|
20
|
29
|
23
|
24
|
|
|
2026/05
|
28
|
35
|
28
|
35
|
40
|
36
|
31
|
26
|
31
|
39
|
40
|
39
|
41
|
23
|
26
|
16
|
19
|
25
|
27
|
13
|
14
|
19
|
19
|
25
|
26
|
30
|
37
|
36
|
33
|
27
|
43
|
|
2026/04
|
25
|
33
|
26
|
35
|
47
|
55
|
27
|
37
|
42
|
46
|
51
|
39
|
37
|
38
|
33
|
41
|
25
|
30
|
40
|
53
|
35
|
18
|
19
|
32
|
39
|
45
|
58
|
44
|
27
|
25
|
|
|
2026/03
|
19
|
17
|
17
|
32
|
39
|
38
|
47
|
58
|
23
|
35
|
36
|
42
|
51
|
54
|
65
|
73
|
61
|
49
|
30
|
36
|
20
|
55
|
63
|
44
|
37
|
55
|
43
|
24
|
37
|
29
|
30
|
|
2026/02
|
29
|
38
|
55
|
68
|
84
|
88
|
46
|
43
|
52
|
60
|
35
|
41
|
61
|
60
|
43
|
33
|
38
|
46
|
50
|
35
|
58
|
59
|
53
|
40
|
25
|
29
|
13
|
20
|
|||
|
2026/01
|
39
|
22
|
41
|
58
|
35
|
51
|
46
|
46
|
47
|
51
|
55
|
61
|
71
|
67
|
72
|
80
|
99
|
87
|
79
|
21
|
23
|
29
|
51
|
57
|
76
|
76
|
53
|
49
|
52
|
62
|
20
|
|
2025/12
|
72
|
84
|
86
|
74
|
72
|
76
|
73
|
73
|
79
|
79
|
76
|
80
|
17
|
28
|
43
|
49
|
53
|
68
|
62
|
58
|
97
|
94
|
79
|
31
|
34
|
47
|
50
|
52
|
59
|
64
|
81
|
|
2025/11
|
36
|
39
|
21
|
11
|
19
|
24
|
40
|
29
|
10
|
12
|
16
|
31
|
28
|
41
|
48
|
48
|
60
|
19
|
28
|
37
|
42
|
51
|
60
|
58
|
45
|
60
|
62
|
65
|
64
|
65
|
|
|
2025/10
|
49
|
30
|
29
|
41
|
24
|
16
|
26
|
37
|
40
|
48
|
47
|
38
|
42
|
33
|
48
|
43
|
48
|
39
|
14
|
11
|
10
|
17
|
33
|
42
|
46
|
68
|
67
|
69
|
71
|
79
|
44
|
|
2025/09
|
26
|
33
|
34
|
36
|
39
|
38
|
46
|
22
|
12
|
18
|
19
|
22
|
30
|
33
|
37
|
23
|
31
|
38
|
35
|
16
|
15
|
21
|
17
|
12
|
15
|
21
|
33
|
40
|
41
|
44
|
|
|
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