Air Quality
Excellent
No health implications.
13
PM2.5
22
PM10
20
O3
0.3
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Nov
33
Excellent
Mon
24 Nov
30
Excellent
Tue
25 Nov
36
Excellent
Wed
26 Nov
31
Excellent
Thu
27 Nov
32
Excellent
Fri
28 Nov
43
Excellent
Sat
29 Nov
25
Excellent
Air quality in the last 12 months (Simao)
|
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
|
|
2024/12
|
29
|
27
|
31
|
27
|
30
|
33
|
35
|
41
|
38
|
36
|
39
|
42
|
39
|
35
|
26
|
24
|
30
|
27
|
35
|
42
|
35
|
41
|
36
|
41
|
38
|
43
|
45
|
45
|
40
|
36
|
39
|
|
2024/11
|
36
|
34
|
40
|
41
|
38
|
35
|
34
|
25
|
22
|
25
|
30
|
28
|
33
|
27
|
27
|
31
|
32
|
38
|
40
|
34
|
30
|
28
|
33
|
34
|
31
|
28
|
24
|
24
|
21
|
28
|
|
|
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