Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
39
PM2.5
70
*
PM10
99
O3
0.6
CO
11
SO2
14
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
17 Nov
66
Good
Tue
18 Nov
55
Good
Wed
19 Nov
56
Good
Thu
20 Nov
58
Good
Fri
21 Nov
62
Good
Sat
22 Nov
55
Good
Sun
23 Nov
16
Excellent
Air quality in the last 12 months (Lechang)
|
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
|
|
2025/02
|
47
|
15
|
17
|
41
|
57
|
55
|
32
|
61
|
35
|
48
|
60
|
65
|
66
|
81
|
98
|
50
|
33
|
35
|
47
|
39
|
22
|
27
|
12
|
46
|
71
|
87
|
81
|
55
|
|||
|
2025/01
|
90
|
83
|
95
|
105
|
141
|
121
|
94
|
93
|
75
|
39
|
44
|
52
|
58
|
54
|
76
|
61
|
58
|
57
|
66
|
67
|
69
|
78
|
75
|
124
|
77
|
18
|
37
|
55
|
136
|
92
|
81
|
|
2024/12
|
59
|
62
|
61
|
91
|
94
|
51
|
27
|
44
|
89
|
83
|
37
|
45
|
64
|
74
|
50
|
49
|
55
|
55
|
73
|
75
|
76
|
84
|
85
|
85
|
89
|
108
|
118
|
116
|
80
|
85
|
90
|
|
2024/11
|
53
|
64
|
65
|
67
|
59
|
62
|
44
|
54
|
56
|
74
|
60
|
54
|
62
|
68
|
32
|
38
|
30
|
10
|
13
|
29
|
33
|
42
|
41
|
48
|
56
|
20
|
37
|
48
|
48
|
60
|
|
|
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