Air Quality
Excellent
No health implications.
5
PM2.5
10
PM10
34
O3
0.5
CO
2
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Aug
46
Excellent
Thu
27 Aug
51
Good
Fri
28 Aug
47
Excellent
Sat
29 Aug
46
Excellent
Sun
30 Aug
38
Excellent
Mon
31 Aug
38
Excellent
Tue
1 Sep
29
Excellent
Air quality in the last 12 months (Chenggong)
|
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
|
|
|
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
|
|
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