Air Quality
Excellent
No health implications.
13
PM2.5
20
PM10
37
O3
0.8
CO
8
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Sep
51
Good
Mon
22 Sep
54
Good
Tue
23 Sep
52
Good
Wed
24 Sep
48
Excellent
Thu
25 Sep
46
Excellent
Fri
26 Sep
47
Excellent
Sat
27 Sep
39
Excellent
Air quality in the last 12 months (Yudu)
|
2025/08
|
28
|
27
|
17
|
16
|
15
|
14
|
18
|
20
|
27
|
33
|
25
|
31
|
27
|
13
|
15
|
18
|
20
|
18
|
15
|
20
|
20
|
19
|
31
|
20
|
19
|
21
|
23
|
22
|
22
|
21
|
26
|
|
2025/07
|
20
|
25
|
27
|
34
|
31
|
30
|
34
|
37
|
28
|
17
|
22
|
14
|
20
|
22
|
26
|
31
|
36
|
33
|
20
|
12
|
14
|
14
|
22
|
19
|
24
|
30
|
20
|
21
|
24
|
23
|
25
|
|
2025/06
|
17
|
18
|
16
|
26
|
30
|
30
|
30
|
27
|
20
|
26
|
24
|
17
|
25
|
15
|
13
|
17
|
14
|
16
|
17
|
15
|
14
|
14
|
17
|
23
|
29
|
19
|
15
|
18
|
17
|
17
|
|
|
2025/05
|
44
|
47
|
51
|
38
|
19
|
24
|
41
|
24
|
18
|
36
|
28
|
35
|
34
|
32
|
29
|
23
|
22
|
16
|
15
|
16
|
23
|
25
|
24
|
36
|
49
|
42
|
42
|
26
|
14
|
20
|
25
|
|
2025/04
|
38
|
40
|
44
|
52
|
48
|
50
|
55
|
56
|
53
|
45
|
43
|
82
|
161
|
108
|
72
|
62
|
67
|
55
|
25
|
19
|
35
|
30
|
17
|
22
|
20
|
16
|
17
|
28
|
45
|
47
|
|
|
2025/03
|
30
|
24
|
29
|
12
|
17
|
20
|
36
|
29
|
39
|
45
|
46
|
36
|
33
|
19
|
10
|
26
|
47
|
36
|
39
|
36
|
39
|
44
|
49
|
58
|
65
|
62
|
48
|
63
|
20
|
11
|
25
|
|
2025/02
|
31
|
19
|
22
|
40
|
39
|
45
|
39
|
57
|
32
|
42
|
48
|
65
|
60
|
61
|
61
|
38
|
41
|
39
|
42
|
21
|
19
|
18
|
19
|
29
|
42
|
56
|
41
|
34
|
|||
|
2025/01
|
97
|
70
|
76
|
83
|
91
|
97
|
79
|
67
|
64
|
38
|
43
|
51
|
55
|
53
|
63
|
52
|
45
|
49
|
55
|
53
|
54
|
56
|
45
|
60
|
55
|
13
|
38
|
66
|
84
|
61
|
49
|
|
2024/12
|
47
|
47
|
49
|
62
|
73
|
52
|
47
|
62
|
71
|
64
|
41
|
39
|
60
|
66
|
52
|
49
|
48
|
59
|
68
|
70
|
67
|
85
|
85
|
76
|
88
|
72
|
99
|
96
|
75
|
63
|
76
|
|
2024/11
|
23
|
33
|
41
|
50
|
57
|
50
|
40
|
44
|
50
|
47
|
38
|
42
|
42
|
40
|
27
|
19
|
31
|
19
|
27
|
37
|
37
|
33
|
39
|
53
|
46
|
23
|
33
|
32
|
36
|
42
|
|
|
2024/10
|
33
|
30
|
38
|
33
|
36
|
38
|
40
|
32
|
26
|
32
|
47
|
49
|
46
|
50
|
74
|
38
|
38
|
40
|
25
|
22
|
28
|
39
|
30
|
39
|
49
|
42
|
25
|
14
|
37
|
49
|
40
|
|
2024/09
|
33
|
36
|
36
|
31
|
26
|
21
|
17
|
19
|
17
|
25
|
32
|
38
|
40
|
34
|
26
|
25
|
31
|
28
|
30
|
20
|
25
|
25
|
26
|
27
|
26
|
24
|
32
|
30
|
23
|
27
|
|
|
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