Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
28
PM2.5
53
*
PM10
135
O3
0.7
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
3 Jan
87
Good
Sat
4 Jan
88
Good
Sun
5 Jan
89
Good
Mon
6 Jan
75
Good
Tue
7 Jan
59
Good
Wed
8 Jan
58
Good
Thu
9 Jan
88
Good
Air quality in the last 12 months (Chengmai)
|
2024/11
|
48
|
43
|
33
|
28
|
42
|
47
|
51
|
47
|
51
|
47
|
46
|
42
|
49
|
52
|
40
|
35
|
28
|
28
|
26
|
8
|
16
|
28
|
30
|
29
|
23
|
27
|
34
|
38
|
40
|
44
|
|
|
2024/10
|
30
|
31
|
42
|
47
|
39
|
41
|
29
|
54
|
63
|
54
|
38
|
31
|
29
|
19
|
16
|
11
|
11
|
15
|
18
|
26
|
29
|
35
|
30
|
34
|
38
|
45
|
22
|
28
|
17
|
30
|
42
|
|
2024/09
|
14
|
16
|
16
|
24
|
28
|
18
|
14
|
26
|
22
|
16
|
12
|
19
|
23
|
21
|
26
|
27
|
21
|
21
|
15
|
11
|
15
|
12
|
12
|
14
|
21
|
30
|
27
|
21
|
21
|
22
|
|
|
2024/08
|
20
|
21
|
18
|
20
|
21
|
22
|
22
|
23
|
22
|
25
|
24
|
24
|
21
|
21
|
21
|
20
|
16
|
16
|
22
|
19
|
19
|
19
|
19
|
21
|
17
|
20
|
17
|
20
|
24
|
22
|
15
|
|
2024/07
|
18
|
19
|
16
|
12
|
12
|
12
|
12
|
13
|
15
|
18
|
17
|
16
|
14
|
14
|
14
|
14
|
11
|
12
|
14
|
14
|
13
|
10
|
13
|
17
|
15
|
15
|
22
|
23
|
18
|
16
|
18
|
|
2024/06
|
18
|
22
|
18
|
20
|
21
|
21
|
19
|
22
|
20
|
18
|
20
|
20
|
21
|
22
|
24
|
27
|
23
|
23
|
23
|
21
|
19
|
12
|
11
|
12
|
17
|
11
|
11
|
16
|
14
|
20
|
|
|
2024/05
|
35
|
26
|
23
|
22
|
30
|
33
|
28
|
22
|
27
|
30
|
28
|
27
|
23
|
23
|
27
|
29
|
32
|
16
|
17
|
20
|
19
|
15
|
15
|
20
|
20
|
21
|
22
|
23
|
27
|
24
|
19
|
|
2024/04
|
40
|
35
|
35
|
37
|
34
|
33
|
38
|
42
|
32
|
25
|
32
|
32
|
38
|
39
|
40
|
35
|
27
|
32
|
35
|
35
|
30
|
31
|
35
|
39
|
31
|
43
|
52
|
44
|
39
|
41
|
|
|
2024/03
|
13
|
13
|
20
|
28
|
42
|
55
|
30
|
23
|
29
|
32
|
21
|
20
|
24
|
36
|
45
|
36
|
27
|
28
|
24
|
39
|
44
|
47
|
35
|
31
|
40
|
36
|
38
|
35
|
33
|
27
|
36
|
|
2024/02
|
24
|
25
|
22
|
23
|
22
|
23
|
33
|
11
|
17
|
58
|
50
|
48
|
37
|
33
|
32
|
37
|
33
|
24
|
28
|
33
|
31
|
30
|
34
|
29
|
27
|
25
|
24
|
26
|
35
|
||
|
2024/01
|
42
|
41
|
42
|
39
|
36
|
35
|
34
|
40
|
37
|
40
|
34
|
39
|
36
|
33
|
29
|
37
|
34
|
33
|
27
|
25
|
32
|
27
|
13
|
26
|
36
|
52
|
46
|
18
|
25
|
29
|
24
|
|
2023/12
|
39
|
42
|
44
|
47
|
61
|
42
|
31
|
36
|
33
|
24
|
22
|
23
|
31
|
23
|
24
|
23
|
14
|
23
|
24
|
24
|
34
|
40
|
52
|
47
|
46
|
46
|
48
|
44
|
31
|
34
|
51
|
|
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