Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
39
*
PM2.5
57
PM10
76
O3
0.8
CO
6
SO2
13
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
6 Dec
71
Good
Thu
7 Dec
69
Good
Fri
8 Dec
69
Good
Sat
9 Dec
67
Good
Sun
10 Dec
52
Good
Mon
11 Dec
53
Good
Tue
12 Dec
53
Good
Air quality in the last 12 months (Chengmai)
|
2023/10
|
20
|
26
|
22
|
27
|
28
|
33
|
36
|
34
|
25
|
21
|
15
|
29
|
32
|
36
|
50
|
44
|
38
|
23
|
17
|
15
|
18
|
26
|
36
|
31
|
24
|
22
|
12
|
14
|
25
|
33
|
42
|
|
2023/09
|
36
|
32
|
23
|
23
|
28
|
24
|
23
|
20
|
16
|
19
|
19
|
15
|
19
|
19
|
19
|
12
|
13
|
15
|
16
|
18
|
16
|
18
|
14
|
16
|
11
|
10
|
13
|
21
|
20
|
19
|
|
|
2023/08
|
18
|
18
|
13
|
16
|
23
|
27
|
26
|
21
|
23
|
26
|
23
|
20
|
25
|
26
|
24
|
28
|
26
|
27
|
26
|
19
|
16
|
19
|
19
|
18
|
20
|
21
|
24
|
22
|
21
|
21
|
30
|
|
2023/07
|
21
|
17
|
16
|
18
|
19
|
19
|
13
|
14
|
15
|
19
|
18
|
19
|
19
|
24
|
23
|
20
|
25
|
26
|
20
|
18
|
14
|
15
|
15
|
17
|
18
|
17
|
20
|
25
|
28
|
21
|
18
|
|
2023/06
|
30
|
27
|
28
|
23
|
18
|
19
|
18
|
21
|
23
|
23
|
21
|
25
|
26
|
24
|
28
|
23
|
23
|
21
|
22
|
23
|
24
|
23
|
22
|
21
|
22
|
19
|
15
|
17
|
18
|
20
|
|
|
2023/05
|
34
|
28
|
25
|
28
|
29
|
37
|
40
|
23
|
18
|
19
|
13
|
14
|
16
|
20
|
25
|
27
|
39
|
48
|
48
|
37
|
39
|
30
|
56
|
31
|
24
|
23
|
17
|
26
|
24
|
29
|
26
|
|
2023/04
|
34
|
32
|
31
|
32
|
37
|
39
|
38
|
24
|
38
|
32
|
39
|
35
|
37
|
36
|
33
|
48
|
41
|
39
|
43
|
52
|
56
|
42
|
34
|
22
|
32
|
28
|
27
|
24
|
28
|
29
|
|
|
2023/03
|
32
|
54
|
55
|
55
|
55
|
43
|
41
|
35
|
39
|
41
|
41
|
36
|
63
|
58
|
35
|
28
|
33
|
31
|
27
|
29
|
44
|
53
|
49
|
42
|
37
|
30
|
22
|
23
|
31
|
30
|
32
|
|
2023/02
|
29
|
30
|
43
|
28
|
28
|
24
|
20
|
19
|
23
|
23
|
21
|
23
|
27
|
30
|
30
|
39
|
33
|
36
|
37
|
63
|
53
|
45
|
33
|
46
|
69
|
42
|
44
|
32
|
|||
|
2023/01
|
41
|
43
|
55
|
41
|
49
|
47
|
59
|
30
|
27
|
15
|
24
|
25
|
22
|
24
|
33
|
26
|
25
|
30
|
41
|
47
|
45
|
52
|
40
|
46
|
60
|
34
|
36
|
57
|
58
|
54
|
45
|
|
2022/12
|
18
|
14
|
22
|
34
|
32
|
31
|
35
|
39
|
43
|
34
|
43
|
56
|
59
|
56
|
41
|
21
|
45
|
45
|
40
|
47
|
44
|
48
|
48
|
42
|
39
|
35
|
33
|
44
|
77
|
62
|
47
|
|
2022/11
|
48
|
49
|
37
|
31
|
22
|
23
|
22
|
19
|
28
|
28
|
25
|
22
|
20
|
23
|
28
|
28
|
28
|
27
|
28
|
39
|
30
|
10
|
12
|
15
|
20
|
21
|
16
|
18
|
18
|
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