Air Quality
Excellent
No health implications.
20
PM2.5
30
PM10
90
O3
0.6
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 May
55
Good
Sun
24 May
50
Excellent
Mon
25 May
51
Good
Tue
26 May
58
Good
Wed
27 May
52
Good
Thu
28 May
51
Good
Fri
29 May
23
Excellent
Air quality in the last 12 months (Chenggong)
|
2026/04
|
41
|
40
|
36
|
36
|
40
|
38
|
37
|
48
|
36
|
35
|
39
|
41
|
47
|
61
|
70
|
60
|
59
|
54
|
59
|
39
|
46
|
51
|
50
|
54
|
39
|
45
|
40
|
34
|
30
|
30
|
|
|
2026/03
|
50
|
51
|
53
|
46
|
66
|
68
|
70
|
73
|
28
|
34
|
49
|
47
|
38
|
30
|
30
|
33
|
38
|
33
|
43
|
36
|
53
|
51
|
32
|
45
|
68
|
44
|
38
|
56
|
43
|
33
|
36
|
|
2026/02
|
35
|
38
|
35
|
39
|
40
|
41
|
47
|
44
|
36
|
34
|
31
|
28
|
29
|
31
|
42
|
56
|
86
|
51
|
39
|
30
|
26
|
26
|
36
|
41
|
45
|
38
|
32
|
45
|
|||
|
2026/01
|
46
|
32
|
23
|
21
|
29
|
35
|
31
|
25
|
26
|
27
|
47
|
29
|
53
|
36
|
57
|
29
|
46
|
40
|
33
|
30
|
29
|
30
|
33
|
33
|
30
|
38
|
36
|
38
|
36
|
34
|
43
|
|
2025/12
|
58
|
50
|
70
|
35
|
35
|
38
|
51
|
60
|
33
|
52
|
55
|
40
|
79
|
51
|
25
|
28
|
48
|
36
|
21
|
34
|
41
|
23
|
31
|
25
|
45
|
41
|
38
|
38
|
27
|
31
|
27
|
|
2025/11
|
40
|
16
|
8
|
17
|
18
|
15
|
24
|
34
|
14
|
14
|
18
|
26
|
31
|
31
|
38
|
44
|
37
|
27
|
26
|
42
|
51
|
34
|
34
|
58
|
44
|
70
|
49
|
64
|
67
|
54
|
|
|
2025/10
|
8
|
10
|
12
|
15
|
16
|
24
|
6
|
11
|
13
|
14
|
20
|
18
|
25
|
36
|
38
|
21
|
17
|
21
|
28
|
31
|
18
|
25
|
21
|
35
|
43
|
32
|
34
|
33
|
28
|
41
|
49
|
|
2025/09
|
22
|
25
|
15
|
18
|
19
|
21
|
25
|
25
|
22
|
21
|
13
|
12
|
12
|
10
|
15
|
15
|
19
|
22
|
20
|
26
|
19
|
22
|
14
|
15
|
26
|
8
|
10
|
15
|
12
|
7
|
|
|
2025/08
|
30
|
31
|
18
|
18
|
33
|
29
|
14
|
9
|
13
|
14
|
13
|
15
|
20
|
41
|
30
|
11
|
12
|
21
|
29
|
22
|
10
|
8
|
10
|
11
|
11
|
12
|
15
|
16
|
15
|
14
|
22
|
|
2025/07
|
12
|
9
|
16
|
16
|
16
|
17
|
22
|
10
|
16
|
20
|
21
|
28
|
37
|
25
|
33
|
34
|
27
|
27
|
15
|
23
|
19
|
16
|
11
|
11
|
16
|
15
|
17
|
26
|
41
|
29
|
19
|
|
2025/06
|
13
|
18
|
18
|
22
|
25
|
32
|
31
|
35
|
29
|
32
|
32
|
39
|
45
|
43
|
15
|
21
|
14
|
8
|
11
|
17
|
21
|
10
|
15
|
8
|
9
|
14
|
15
|
17
|
16
|
16
|
|
|
2025/05
|
40
|
25
|
25
|
21
|
25
|
28
|
29
|
34
|
46
|
36
|
26
|
31
|
30
|
31
|
28
|
26
|
34
|
30
|
37
|
29
|
37
|
32
|
52
|
31
|
20
|
18
|
17
|
17
|
15
|
15
|
12
|
|
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