Air Quality
Excellent
No health implications.
4
PM2.5
7
PM10
39
O3
0.5
CO
4
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Feb
44
Excellent
Mon
3 Feb
53
Good
Tue
4 Feb
57
Good
Wed
5 Feb
61
Good
Thu
6 Feb
61
Good
Fri
7 Feb
57
Good
Sat
8 Feb
39
Excellent
Air quality in the last 12 months (Yunhe)
|
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
|
|
|
2024/08
|
20
|
22
|
30
|
30
|
23
|
26
|
30
|
34
|
34
|
39
|
34
|
25
|
24
|
28
|
24
|
29
|
21
|
21
|
16
|
16
|
10
|
26
|
29
|
35
|
39
|
34
|
38
|
22
|
31
|
22
|
25
|
|
2024/07
|
26
|
21
|
23
|
24
|
30
|
29
|
28
|
24
|
27
|
27
|
24
|
28
|
27
|
23
|
23
|
19
|
21
|
22
|
25
|
24
|
27
|
16
|
15
|
12
|
11
|
10
|
9
|
15
|
12
|
14
|
18
|
|
2024/06
|
7
|
10
|
21
|
31
|
28
|
13
|
18
|
24
|
28
|
20
|
12
|
20
|
22
|
18
|
14
|
16
|
13
|
16
|
27
|
32
|
30
|
33
|
35
|
23
|
18
|
25
|
29
|
38
|
26
|
20
|
|
|
2024/05
|
13
|
33
|
32
|
37
|
31
|
22
|
33
|
47
|
51
|
34
|
41
|
34
|
45
|
34
|
41
|
40
|
29
|
38
|
38
|
37
|
22
|
25
|
35
|
24
|
14
|
18
|
23
|
18
|
29
|
29
|
42
|
|
2024/04
|
30
|
39
|
27
|
18
|
23
|
30
|
25
|
24
|
28
|
46
|
48
|
46
|
43
|
24
|
41
|
43
|
27
|
22
|
44
|
43
|
25
|
20
|
25
|
40
|
40
|
51
|
41
|
25
|
32
|
17
|
|
|
2024/03
|
28
|
40
|
40
|
49
|
51
|
13
|
57
|
60
|
61
|
65
|
45
|
47
|
86
|
70
|
50
|
42
|
48
|
33
|
33
|
54
|
54
|
51
|
52
|
52
|
40
|
20
|
38
|
46
|
34
|
48
|
41
|
|
2024/02
|
35
|
16
|
18
|
12
|
15
|
18
|
19
|
57
|
83
|
115
|
56
|
52
|
39
|
43
|
37
|
18
|
22
|
36
|
42
|
42
|
32
|
9
|
14
|
18
|
28
|
53
|
63
|
54
|
19
|
||
|
2024/01
|
118
|
104
|
60
|
45
|
56
|
50
|
129
|
117
|
75
|
49
|
71
|
52
|
51
|
53
|
100
|
59
|
47
|
54
|
73
|
24
|
27
|
30
|
30
|
40
|
49
|
62
|
70
|
67
|
91
|
44
|
34
|
|
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