Air Quality
Excellent
No health implications.
12
PM2.5
15
PM10
25
O3
0.8
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Feb
49
Excellent
Sat
8 Feb
47
Excellent
Sun
9 Feb
34
Excellent
Mon
10 Feb
34
Excellent
Tue
11 Feb
35
Excellent
Wed
12 Feb
36
Excellent
Thu
13 Feb
30
Excellent
Air quality in the last 12 months (Chenggong)
|
2025/01
|
31
|
40
|
46
|
37
|
35
|
48
|
35
|
31
|
47
|
23
|
22
|
47
|
39
|
43
|
78
|
72
|
42
|
31
|
73
|
45
|
42
|
34
|
32
|
25
|
28
|
32
|
43
|
54
|
70
|
33
|
32
|
|
2024/12
|
18
|
28
|
17
|
22
|
26
|
24
|
26
|
40
|
16
|
23
|
29
|
26
|
48
|
42
|
38
|
26
|
25
|
29
|
37
|
29
|
29
|
23
|
30
|
29
|
29
|
40
|
40
|
35
|
31
|
24
|
47
|
|
2024/11
|
30
|
32
|
48
|
36
|
44
|
47
|
30
|
22
|
22
|
37
|
27
|
20
|
20
|
25
|
35
|
28
|
37
|
32
|
32
|
29
|
17
|
26
|
18
|
17
|
19
|
34
|
25
|
32
|
22
|
18
|
|
|
2024/10
|
13
|
21
|
30
|
26
|
21
|
26
|
44
|
36
|
31
|
16
|
19
|
22
|
23
|
29
|
25
|
19
|
17
|
31
|
40
|
30
|
21
|
29
|
30
|
36
|
38
|
36
|
49
|
45
|
53
|
44
|
36
|
|
2024/09
|
26
|
26
|
25
|
21
|
20
|
36
|
34
|
18
|
14
|
15
|
19
|
21
|
32
|
38
|
35
|
27
|
24
|
24
|
27
|
36
|
33
|
22
|
25
|
44
|
42
|
40
|
30
|
22
|
23
|
26
|
|
|
2024/08
|
36
|
30
|
22
|
19
|
17
|
17
|
18
|
18
|
14
|
23
|
36
|
51
|
55
|
46
|
38
|
38
|
37
|
40
|
35
|
46
|
37
|
23
|
19
|
22
|
26
|
17
|
23
|
27
|
28
|
33
|
30
|
|
2024/07
|
15
|
20
|
13
|
12
|
17
|
15
|
15
|
14
|
17
|
17
|
14
|
16
|
15
|
16
|
19
|
19
|
20
|
19
|
20
|
20
|
15
|
15
|
21
|
27
|
21
|
23
|
33
|
28
|
26
|
18
|
24
|
|
2024/06
|
34
|
24
|
30
|
31
|
20
|
18
|
18
|
17
|
18
|
13
|
21
|
23
|
13
|
18
|
29
|
19
|
28
|
26
|
30
|
36
|
24
|
24
|
18
|
20
|
20
|
20
|
15
|
14
|
15
|
16
|
|
|
2024/05
|
53
|
48
|
29
|
52
|
46
|
35
|
38
|
41
|
23
|
24
|
24
|
30
|
26
|
35
|
32
|
22
|
29
|
34
|
27
|
23
|
30
|
34
|
39
|
34
|
21
|
12
|
13
|
20
|
19
|
32
|
22
|
|
2024/04
|
30
|
42
|
56
|
50
|
52
|
74
|
57
|
63
|
61
|
68
|
72
|
77
|
54
|
43
|
53
|
73
|
80
|
47
|
41
|
37
|
34
|
45
|
53
|
48
|
43
|
44
|
52
|
62
|
46
|
52
|
|
|
2024/03
|
49
|
54
|
33
|
34
|
26
|
30
|
31
|
63
|
47
|
54
|
36
|
71
|
59
|
52
|
55
|
53
|
70
|
50
|
57
|
61
|
55
|
38
|
25
|
35
|
34
|
48
|
52
|
47
|
50
|
60
|
54
|
|
2024/02
|
35
|
49
|
54
|
29
|
39
|
30
|
43
|
40
|
55
|
61
|
58
|
43
|
37
|
28
|
35
|
52
|
29
|
32
|
47
|
56
|
45
|
47
|
58
|
55
|
49
|
40
|
42
|
37
|
37
|
||
|
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