Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
49
*
PM2.5
85
PM10
89
O3
0.7
CO
9
SO2
26
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
24 Apr
85
Good
Thu
25 Apr
84
Good
Fri
26 Apr
89
Good
Sat
27 Apr
86
Good
Sun
28 Apr
84
Good
Mon
29 Apr
83
Good
Tue
30 Apr
87
Good
Air quality in the last 12 months (Simao)
|
2024/02
|
41
|
51
|
61
|
57
|
48
|
44
|
53
|
61
|
73
|
51
|
52
|
47
|
49
|
41
|
36
|
39
|
38
|
46
|
51
|
54
|
59
|
60
|
58
|
53
|
58
|
54
|
57
|
46
|
62
|
||
|
2024/01
|
40
|
36
|
35
|
31
|
37
|
37
|
39
|
39
|
39
|
41
|
42
|
41
|
39
|
36
|
38
|
25
|
27
|
27
|
34
|
48
|
39
|
43
|
41
|
27
|
30
|
31
|
40
|
38
|
38
|
39
|
35
|
|
2023/12
|
36
|
27
|
24
|
27
|
33
|
28
|
31
|
24
|
21
|
26
|
27
|
27
|
27
|
33
|
34
|
32
|
32
|
32
|
28
|
36
|
31
|
22
|
45
|
41
|
39
|
41
|
40
|
35
|
35
|
34
|
34
|
|
2023/11
|
26
|
29
|
26
|
26
|
31
|
30
|
27
|
27
|
24
|
25
|
30
|
28
|
24
|
23
|
19
|
22
|
28
|
38
|
32
|
27
|
25
|
27
|
28
|
29
|
33
|
35
|
33
|
41
|
41
|
39
|
|
|
2023/10
|
16
|
17
|
20
|
26
|
20
|
30
|
23
|
20
|
20
|
22
|
24
|
24
|
22
|
20
|
20
|
22
|
24
|
22
|
23
|
25
|
28
|
29
|
25
|
25
|
21
|
20
|
26
|
27
|
22
|
24
|
28
|
|
2023/09
|
33
|
35
|
36
|
35
|
22
|
20
|
21
|
22
|
22
|
20
|
18
|
18
|
22
|
26
|
28
|
24
|
17
|
15
|
15
|
15
|
17
|
19
|
21
|
25
|
22
|
30
|
27
|
19
|
17
|
13
|
|
|
2023/08
|
15
|
13
|
18
|
18
|
16
|
14
|
15
|
15
|
13
|
17
|
16
|
15
|
19
|
21
|
22
|
21
|
18
|
20
|
20
|
18
|
14
|
15
|
15
|
16
|
13
|
16
|
16
|
19
|
24
|
22
|
27
|
|
2023/07
|
27
|
26
|
21
|
21
|
19
|
19
|
21
|
25
|
23
|
23
|
27
|
19
|
23
|
25
|
33
|
40
|
43
|
49
|
34
|
21
|
20
|
26
|
24
|
23
|
25
|
27
|
26
|
24
|
30
|
18
|
13
|
|
2023/06
|
43
|
43
|
35
|
35
|
39
|
33
|
29
|
26
|
32
|
41
|
35
|
26
|
29
|
25
|
30
|
51
|
43
|
44
|
40
|
29
|
26
|
24
|
26
|
25
|
35
|
32
|
38
|
33
|
24
|
28
|
|
|
2023/05
|
40
|
49
|
42
|
34
|
39
|
45
|
52
|
53
|
49
|
42
|
45
|
43
|
27
|
35
|
26
|
37
|
52
|
50
|
57
|
64
|
57
|
52
|
58
|
56
|
55
|
47
|
50
|
49
|
49
|
48
|
43
|
|
2023/04
|
70
|
72
|
51
|
52
|
52
|
62
|
75
|
80
|
101
|
111
|
96
|
103
|
133
|
132
|
127
|
153
|
118
|
89
|
91
|
106
|
75
|
60
|
65
|
61
|
55
|
57
|
58
|
62
|
64
|
50
|
|
|
2023/03
|
56
|
58
|
69
|
73
|
67
|
84
|
86
|
74
|
82
|
82
|
72
|
66
|
65
|
55
|
61
|
47
|
47
|
60
|
62
|
55
|
48
|
46
|
51
|
60
|
53
|
75
|
81
|
145
|
72
|
51
|
63
|
|
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