Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
34
O3
0.5
CO
5
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jul
56
Good
Mon
27 Jul
51
Good
Tue
28 Jul
55
Good
Wed
29 Jul
56
Good
Thu
30 Jul
56
Good
Fri
31 Jul
59
Good
Sat
1 Aug
33
Excellent
Air quality in the last 12 months (Lechang)
|
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
|
|
|
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
|
|
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