Air Quality
Excellent
No health implications.
19
PM2.5
35
PM10
50
O3
0.5
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jul
55
Good
Sun
13 Jul
49
Excellent
Mon
14 Jul
51
Good
Tue
15 Jul
31
Excellent
Wed
16 Jul
30
Excellent
Thu
17 Jul
34
Excellent
Fri
18 Jul
50
Excellent
Air quality in the last 12 months (Chenggong)
|
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
|
|
2025/04
|
33
|
53
|
89
|
84
|
93
|
79
|
77
|
68
|
63
|
71
|
58
|
49
|
70
|
60
|
55
|
27
|
26
|
33
|
34
|
38
|
33
|
29
|
40
|
50
|
50
|
62
|
65
|
63
|
33
|
33
|
|
|
2025/03
|
45
|
47
|
51
|
49
|
52
|
51
|
39
|
55
|
49
|
44
|
53
|
64
|
67
|
72
|
63
|
41
|
32
|
25
|
38
|
47
|
66
|
64
|
53
|
49
|
41
|
46
|
46
|
89
|
119
|
73
|
64
|
|
2025/02
|
49
|
51
|
31
|
43
|
51
|
52
|
33
|
43
|
49
|
35
|
41
|
55
|
58
|
59
|
60
|
62
|
41
|
39
|
47
|
54
|
63
|
56
|
61
|
32
|
33
|
31
|
32
|
43
|
|||
|
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
|
|
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