Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
24
PM2.5
57
*
PM10
55
O3
0.4
CO
5
SO2
16
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
28 Jan
42
Excellent
Thu
29 Jan
41
Excellent
Fri
30 Jan
44
Excellent
Sat
31 Jan
49
Excellent
Sun
1 Feb
35
Excellent
Mon
2 Feb
31
Excellent
Tue
3 Feb
16
Excellent
Air quality in the last 12 months (Simao)
|
2025/12
|
42
|
39
|
38
|
37
|
41
|
40
|
39
|
36
|
39
|
38
|
40
|
41
|
41
|
41
|
35
|
34
|
32
|
31
|
36
|
36
|
32
|
36
|
39
|
37
|
43
|
40
|
39
|
41
|
41
|
39
|
43
|
|
2025/11
|
28
|
23
|
22
|
22
|
24
|
26
|
32
|
31
|
24
|
24
|
28
|
27
|
29
|
29
|
30
|
33
|
34
|
22
|
23
|
30
|
27
|
30
|
30
|
38
|
41
|
45
|
52
|
50
|
47
|
44
|
|
|
2025/10
|
24
|
27
|
27
|
27
|
27
|
33
|
27
|
27
|
27
|
28
|
27
|
31
|
38
|
32
|
33
|
28
|
29
|
33
|
36
|
38
|
38
|
30
|
31
|
36
|
33
|
26
|
31
|
32
|
37
|
35
|
34
|
|
2025/09
|
29
|
29
|
26
|
28
|
29
|
30
|
33
|
34
|
35
|
26
|
25
|
26
|
25
|
21
|
24
|
27
|
26
|
27
|
33
|
29
|
31
|
32
|
26
|
26
|
32
|
25
|
27
|
33
|
26
|
27
|
|
|
2025/08
|
24
|
27
|
28
|
27
|
28
|
25
|
20
|
23
|
25
|
26
|
28
|
25
|
26
|
30
|
32
|
28
|
31
|
31
|
30
|
25
|
25
|
24
|
22
|
27
|
28
|
28
|
22
|
24
|
27
|
30
|
34
|
|
2025/07
|
30
|
22
|
22
|
23
|
24
|
21
|
24
|
25
|
32
|
26
|
27
|
31
|
31
|
25
|
26
|
28
|
24
|
21
|
26
|
30
|
33
|
31
|
26
|
21
|
23
|
26
|
21
|
31
|
29
|
33
|
27
|
|
2025/06
|
23
|
24
|
26
|
53
|
49
|
51
|
44
|
37
|
29
|
30
|
45
|
47
|
49
|
45
|
27
|
25
|
24
|
25
|
27
|
33
|
36
|
23
|
24
|
22
|
24
|
28
|
29
|
22
|
24
|
26
|
|
|
2025/05
|
27
|
31
|
26
|
30
|
30
|
40
|
48
|
54
|
54
|
57
|
34
|
24
|
35
|
30
|
32
|
29
|
27
|
27
|
34
|
41
|
40
|
38
|
38
|
51
|
23
|
19
|
21
|
23
|
26
|
24
|
24
|
|
2025/04
|
63
|
45
|
46
|
83
|
108
|
79
|
68
|
60
|
67
|
66
|
59
|
58
|
46
|
40
|
28
|
28
|
28
|
35
|
42
|
35
|
39
|
47
|
60
|
68
|
69
|
74
|
77
|
75
|
46
|
32
|
|
|
2025/03
|
51
|
59
|
68
|
75
|
74
|
78
|
60
|
54
|
51
|
51
|
65
|
60
|
69
|
81
|
79
|
76
|
79
|
38
|
23
|
53
|
58
|
53
|
57
|
52
|
49
|
52
|
75
|
105
|
94
|
103
|
92
|
|
2025/02
|
60
|
59
|
56
|
49
|
44
|
58
|
57
|
47
|
24
|
37
|
46
|
42
|
52
|
58
|
66
|
63
|
55
|
52
|
53
|
60
|
65
|
65
|
60
|
41
|
36
|
34
|
49
|
55
|
|||
|
2025/01
|
32
|
37
|
37
|
43
|
48
|
52
|
44
|
39
|
49
|
48
|
51
|
37
|
41
|
42
|
37
|
47
|
48
|
45
|
43
|
43
|
40
|
38
|
44
|
38
|
38
|
43
|
36
|
43
|
61
|
54
|
53
|
|
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