Air Quality
Excellent
No health implications.
9
PM2.5
13
PM10
38
O3
0.5
CO
2
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 May
36
Excellent
Tue
12 May
39
Excellent
Wed
13 May
39
Excellent
Thu
14 May
41
Excellent
Fri
15 May
36
Excellent
Sat
16 May
36
Excellent
Sun
17 May
28
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