Air Quality
Excellent
No health implications.
17
PM2.5
31
PM10
46
O3
0.3
CO
2
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Oct
38
Excellent
Fri
24 Oct
41
Excellent
Sat
25 Oct
45
Excellent
Sun
26 Oct
51
Good
Mon
27 Oct
49
Excellent
Tue
28 Oct
46
Excellent
Wed
29 Oct
27
Excellent
Air quality in the last 12 months (Yunhe)
|
2025/08
|
30
|
29
|
25
|
20
|
17
|
21
|
18
|
23
|
26
|
32
|
30
|
23
|
13
|
11
|
11
|
13
|
14
|
16
|
17
|
21
|
18
|
16
|
23
|
19
|
17
|
17
|
14
|
12
|
13
|
15
|
26
|
|
2025/07
|
11
|
15
|
24
|
24
|
17
|
12
|
12
|
19
|
13
|
17
|
19
|
19
|
21
|
23
|
29
|
32
|
29
|
23
|
13
|
13
|
10
|
15
|
20
|
21
|
25
|
13
|
18
|
20
|
22
|
25
|
21
|
|
2025/06
|
30
|
30
|
16
|
29
|
26
|
31
|
32
|
36
|
22
|
19
|
17
|
16
|
11
|
21
|
16
|
18
|
26
|
19
|
26
|
20
|
20
|
21
|
20
|
20
|
25
|
24
|
26
|
21
|
26
|
17
|
|
|
2025/05
|
41
|
46
|
50
|
49
|
34
|
44
|
73
|
44
|
36
|
39
|
37
|
37
|
33
|
32
|
42
|
39
|
34
|
23
|
25
|
25
|
28
|
29
|
27
|
31
|
56
|
57
|
47
|
27
|
14
|
31
|
39
|
|
2025/04
|
27
|
35
|
49
|
52
|
48
|
55
|
55
|
54
|
58
|
37
|
42
|
57
|
108
|
78
|
59
|
50
|
59
|
57
|
51
|
34
|
48
|
26
|
31
|
27
|
17
|
34
|
34
|
35
|
52
|
43
|
|
|
2025/03
|
44
|
42
|
47
|
19
|
27
|
20
|
40
|
47
|
58
|
54
|
58
|
61
|
18
|
21
|
12
|
28
|
35
|
34
|
49
|
42
|
37
|
39
|
46
|
57
|
65
|
80
|
78
|
42
|
33
|
26
|
28
|
|
2025/02
|
21
|
12
|
41
|
50
|
33
|
42
|
45
|
46
|
31
|
42
|
34
|
39
|
99
|
86
|
56
|
42
|
56
|
47
|
36
|
18
|
13
|
27
|
27
|
68
|
92
|
70
|
52
|
31
|
|||
|
2025/01
|
87
|
68
|
68
|
64
|
54
|
72
|
72
|
88
|
72
|
36
|
45
|
49
|
51
|
50
|
85
|
49
|
53
|
51
|
43
|
50
|
74
|
72
|
56
|
43
|
39
|
28
|
27
|
36
|
79
|
44
|
37
|
|
2024/12
|
42
|
46
|
57
|
64
|
53
|
22
|
51
|
59
|
41
|
42
|
21
|
46
|
33
|
78
|
73
|
54
|
50
|
63
|
43
|
38
|
58
|
68
|
65
|
67
|
61
|
88
|
133
|
81
|
62
|
58
|
67
|
|
2024/11
|
12
|
16
|
30
|
51
|
57
|
39
|
26
|
32
|
39
|
38
|
28
|
38
|
39
|
36
|
24
|
14
|
20
|
19
|
21
|
24
|
37
|
39
|
60
|
32
|
26
|
20
|
33
|
34
|
38
|
39
|
|
|
2024/10
|
21
|
23
|
22
|
25
|
35
|
18
|
16
|
16
|
32
|
44
|
55
|
49
|
38
|
38
|
45
|
17
|
31
|
32
|
24
|
18
|
33
|
40
|
29
|
37
|
32
|
24
|
20
|
16
|
50
|
47
|
39
|
|
2024/09
|
27
|
33
|
37
|
29
|
25
|
20
|
24
|
16
|
21
|
35
|
31
|
31
|
16
|
26
|
30
|
24
|
15
|
23
|
22
|
25
|
20
|
20
|
16
|
16
|
20
|
36
|
20
|
31
|
41
|
29
|
|
|
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