Air Quality
Excellent
No health implications.
4
PM2.5
7
PM10
28
O3
0.7
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Mar
56
Good
Sun
22 Mar
53
Good
Mon
23 Mar
54
Good
Tue
24 Mar
57
Good
Wed
25 Mar
70
Good
Thu
26 Mar
34
Excellent
Fri
27 Mar
43
Excellent
Air quality in the last 12 months (Lechang)
|
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
|
|
|
2025/05
|
57
|
54
|
45
|
35
|
22
|
31
|
44
|
30
|
21
|
47
|
38
|
45
|
47
|
49
|
39
|
33
|
18
|
13
|
17
|
20
|
23
|
23
|
24
|
36
|
59
|
52
|
51
|
43
|
14
|
26
|
23
|
|
2025/04
|
43
|
51
|
55
|
69
|
78
|
72
|
67
|
73
|
86
|
38
|
53
|
118
|
210
|
131
|
88
|
79
|
85
|
68
|
29
|
27
|
35
|
34
|
35
|
25
|
19
|
29
|
31
|
25
|
52
|
58
|
|
|
2025/03
|
36
|
34
|
35
|
15
|
14
|
16
|
41
|
45
|
48
|
66
|
60
|
52
|
40
|
36
|
11
|
26
|
49
|
36
|
46
|
50
|
53
|
58
|
70
|
83
|
87
|
67
|
50
|
58
|
20
|
11
|
22
|
|
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