Air Quality
Excellent
No health implications.
11
PM2.5
16
PM10
62
O3
0.3
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Oct
48
Excellent
Wed
21 Oct
50
Excellent
Thu
22 Oct
50
Excellent
Fri
23 Oct
40
Excellent
Sat
24 Oct
41
Excellent
Sun
25 Oct
38
Excellent
Mon
26 Oct
28
Excellent
Air quality in the last 12 months (Chenggong)
|
2026/08
|
18
|
16
|
16
|
30
|
33
|
31
|
25
|
30
|
31
|
30
|
36
|
35
|
38
|
43
|
38
|
32
|
23
|
20
|
24
|
28
|
30
|
31
|
44
|
36
|
39
|
20
|
23
|
32
|
20
|
22
|
33
|
|
2026/07
|
22
|
16
|
18
|
18
|
32
|
20
|
24
|
26
|
32
|
29
|
25
|
22
|
29
|
30
|
28
|
23
|
22
|
24
|
36
|
50
|
44
|
39
|
30
|
30
|
26
|
22
|
26
|
20
|
18
|
20
|
23
|
|
2026/06
|
24
|
23
|
24
|
33
|
34
|
29
|
27
|
25
|
29
|
31
|
27
|
19
|
19
|
22
|
21
|
18
|
17
|
18
|
19
|
21
|
17
|
18
|
18
|
20
|
22
|
18
|
18
|
16
|
23
|
23
|
|
|
2026/05
|
27
|
28
|
23
|
31
|
38
|
29
|
37
|
32
|
31
|
24
|
25
|
25
|
25
|
29
|
32
|
37
|
38
|
41
|
39
|
44
|
37
|
32
|
32
|
28
|
32
|
40
|
44
|
41
|
28
|
27
|
25
|
|
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
|
|
|
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