Air Quality
Excellent
No health implications.
5
PM2.5
9
PM10
19
O3
0.3
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Aug
21
Excellent
Thu
21 Aug
23
Excellent
Fri
22 Aug
24
Excellent
Sat
23 Aug
23
Excellent
Sun
24 Aug
30
Excellent
Mon
25 Aug
22
Excellent
Tue
26 Aug
37
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