Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
19
O3
0.7
CO
2
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jan
30
Excellent
Wed
21 Jan
26
Excellent
Thu
22 Jan
30
Excellent
Fri
23 Jan
39
Excellent
Sat
24 Jan
43
Excellent
Sun
25 Jan
41
Excellent
Mon
26 Jan
48
Excellent
Sandu Air quality rank
Air quality in the last 12 months (Sandu)
|
2025/11
|
17
|
14
|
7
|
9
|
15
|
14
|
16
|
10
|
7
|
7
|
10
|
24
|
29
|
30
|
34
|
36
|
41
|
16
|
19
|
22
|
30
|
28
|
50
|
46
|
41
|
38
|
50
|
43
|
35
|
45
|
|
|
2025/10
|
12
|
13
|
17
|
15
|
17
|
16
|
14
|
13
|
17
|
22
|
21
|
23
|
28
|
28
|
14
|
13
|
17
|
20
|
8
|
8
|
8
|
13
|
26
|
34
|
30
|
18
|
18
|
24
|
38
|
32
|
21
|
|
2025/09
|
14
|
14
|
12
|
12
|
14
|
19
|
20
|
22
|
15
|
9
|
11
|
8
|
11
|
13
|
14
|
10
|
12
|
13
|
18
|
22
|
19
|
23
|
14
|
9
|
7
|
10
|
17
|
18
|
21
|
21
|
|
|
2025/08
|
18
|
19
|
21
|
27
|
22
|
12
|
10
|
11
|
17
|
18
|
16
|
19
|
22
|
20
|
11
|
9
|
11
|
14
|
9
|
9
|
11
|
11
|
13
|
14
|
13
|
14
|
13
|
13
|
18
|
15
|
16
|
|
2025/07
|
10
|
9
|
10
|
12
|
14
|
18
|
20
|
22
|
23
|
17
|
13
|
21
|
18
|
13
|
10
|
14
|
18
|
25
|
24
|
24
|
14
|
7
|
7
|
10
|
11
|
12
|
17
|
20
|
18
|
20
|
16
|
|
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
|
|
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