Air Quality
Excellent
No health implications.
29
PM2.5
36
PM10
61
O3
0.8
CO
8
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Sep
68
Good
Thu
17 Sep
70
Good
Fri
18 Sep
67
Good
Sat
19 Sep
70
Good
Sun
20 Sep
68
Good
Mon
21 Sep
36
Excellent
Tue
22 Sep
18
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