Air Quality
Excellent
No health implications.
12
PM2.5
12
PM10
87
O3
0.7
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jun
53
Good
Sun
14 Jun
54
Good
Mon
15 Jun
55
Good
Tue
16 Jun
53
Good
Wed
17 Jun
56
Good
Thu
18 Jun
55
Good
Fri
19 Jun
33
Excellent
Air quality in the last 12 months (Lechang)
|
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
|
|
|
2025/08
|
30
|
19
|
19
|
21
|
15
|
10
|
18
|
22
|
35
|
36
|
36
|
35
|
35
|
26
|
10
|
21
|
26
|
17
|
16
|
18
|
22
|
25
|
31
|
24
|
21
|
22
|
28
|
32
|
26
|
27
|
26
|
|
2025/07
|
16
|
24
|
25
|
39
|
43
|
38
|
38
|
40
|
41
|
25
|
18
|
20
|
26
|
31
|
30
|
40
|
40
|
31
|
30
|
20
|
12
|
15
|
18
|
26
|
27
|
34
|
31
|
23
|
23
|
25
|
23
|
|
2025/06
|
24
|
21
|
23
|
36
|
38
|
36
|
32
|
25
|
31
|
34
|
25
|
23
|
29
|
15
|
13
|
30
|
9
|
9
|
15
|
16
|
18
|
21
|
23
|
31
|
34
|
24
|
19
|
16
|
22
|
21
|
|
|
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