Air Quality
Excellent
No health implications.
9
PM2.5
17
PM10
13
O3
0.4
CO
3
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Aug
29
Excellent
Tue
19 Aug
27
Excellent
Wed
20 Aug
24
Excellent
Thu
21 Aug
24
Excellent
Fri
22 Aug
26
Excellent
Sat
23 Aug
31
Excellent
Sun
24 Aug
38
Excellent
Sandu Air quality rank
Air quality in the last 12 months (Sandu)
|
2025/06
|
17
|
8
|
12
|
21
|
29
|
25
|
23
|
29
|
30
|
18
|
18
|
21
|
14
|
11
|
19
|
19
|
10
|
10
|
10
|
7
|
8
|
11
|
9
|
12
|
14
|
15
|
12
|
8
|
10
|
9
|
|
|
2025/05
|
31
|
44
|
35
|
16
|
20
|
22
|
18
|
28
|
19
|
17
|
23
|
27
|
28
|
39
|
35
|
23
|
34
|
31
|
34
|
15
|
17
|
18
|
19
|
46
|
29
|
14
|
13
|
11
|
12
|
18
|
13
|
|
2025/04
|
29
|
44
|
56
|
58
|
56
|
57
|
82
|
72
|
73
|
63
|
55
|
62
|
160
|
88
|
65
|
71
|
63
|
60
|
28
|
26
|
35
|
21
|
40
|
19
|
25
|
26
|
19
|
25
|
35
|
19
|
|
|
2025/03
|
33
|
29
|
54
|
21
|
11
|
18
|
24
|
30
|
27
|
18
|
22
|
34
|
23
|
14
|
9
|
23
|
32
|
20
|
26
|
33
|
43
|
54
|
66
|
57
|
62
|
67
|
70
|
72
|
16
|
11
|
26
|
|
2025/02
|
11
|
8
|
26
|
42
|
47
|
21
|
19
|
53
|
55
|
45
|
48
|
41
|
48
|
23
|
17
|
35
|
28
|
18
|
11
|
8
|
17
|
10
|
14
|
33
|
20
|
29
|
21
|
26
|
|||
|
2025/01
|
77
|
79
|
68
|
88
|
83
|
69
|
74
|
48
|
25
|
39
|
45
|
44
|
47
|
65
|
64
|
67
|
60
|
64
|
72
|
66
|
79
|
89
|
109
|
94
|
24
|
13
|
35
|
44
|
84
|
50
|
34
|
|
2024/12
|
46
|
62
|
66
|
72
|
22
|
12
|
12
|
37
|
28
|
12
|
16
|
40
|
51
|
44
|
40
|
45
|
59
|
54
|
67
|
82
|
81
|
85
|
90
|
80
|
78
|
76
|
64
|
60
|
69
|
82
|
57
|
|
2024/11
|
39
|
41
|
48
|
54
|
55
|
57
|
48
|
41
|
47
|
43
|
42
|
42
|
50
|
54
|
55
|
58
|
40
|
11
|
9
|
10
|
12
|
17
|
28
|
30
|
22
|
15
|
26
|
26
|
26
|
33
|
|
|
2024/10
|
8
|
18
|
38
|
34
|
37
|
49
|
45
|
29
|
26
|
32
|
44
|
53
|
56
|
18
|
19
|
22
|
17
|
18
|
14
|
11
|
21
|
13
|
19
|
19
|
19
|
26
|
24
|
30
|
31
|
34
|
40
|
|
2024/09
|
17
|
15
|
12
|
13
|
26
|
32
|
21
|
13
|
13
|
15
|
21
|
26
|
28
|
25
|
21
|
21
|
23
|
24
|
24
|
24
|
20
|
17
|
24
|
30
|
33
|
40
|
40
|
39
|
26
|
19
|
|
|
2024/08
|
7
|
8
|
8
|
11
|
14
|
16
|
17
|
17
|
18
|
18
|
13
|
34
|
31
|
27
|
27
|
26
|
22
|
23
|
23
|
18
|
15
|
11
|
9
|
11
|
12
|
13
|
13
|
19
|
26
|
23
|
21
|
|
2024/07
|
13
|
14
|
9
|
10
|
10
|
9
|
9
|
10
|
14
|
14
|
10
|
11
|
13
|
10
|
11
|
13
|
12
|
10
|
7
|
9
|
14
|
15
|
12
|
11
|
17
|
25
|
18
|
13
|
8
|
8
|
9
|
|
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