Air Quality
Excellent
No health implications.
9
PM2.5
19
PM10
61
O3
0.4
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 May
55
Good
Tue
27 May
54
Good
Wed
28 May
54
Good
Thu
29 May
54
Good
Fri
30 May
54
Good
Sat
31 May
26
Excellent
Sun
1 Jun
46
Excellent
Air quality in the last 12 months (Yuanyang)
|
2025/04
|
39
|
50
|
65
|
93
|
85
|
46
|
57
|
59
|
60
|
67
|
57
|
51
|
61
|
47
|
50
|
32
|
25
|
32
|
35
|
36
|
34
|
32
|
44
|
54
|
52
|
53
|
63
|
62
|
35
|
32
|
|
|
2025/03
|
44
|
48
|
65
|
68
|
76
|
76
|
46
|
47
|
45
|
43
|
55
|
53
|
54
|
62
|
70
|
56
|
52
|
31
|
35
|
53
|
59
|
68
|
68
|
43
|
52
|
59
|
66
|
98
|
91
|
52
|
52
|
|
2025/02
|
51
|
58
|
42
|
42
|
49
|
53
|
44
|
33
|
26
|
31
|
40
|
48
|
44
|
45
|
53
|
55
|
43
|
33
|
38
|
44
|
41
|
40
|
39
|
22
|
28
|
24
|
37
|
45
|
|||
|
2025/01
|
45
|
41
|
54
|
66
|
62
|
74
|
64
|
67
|
55
|
43
|
39
|
50
|
47
|
51
|
67
|
69
|
66
|
72
|
49
|
46
|
67
|
74
|
47
|
35
|
36
|
34
|
40
|
47
|
53
|
43
|
43
|
|
2024/12
|
30
|
34
|
28
|
28
|
28
|
22
|
23
|
22
|
22
|
27
|
35
|
29
|
25
|
35
|
63
|
36
|
27
|
36
|
53
|
54
|
51
|
49
|
49
|
50
|
55
|
66
|
66
|
48
|
35
|
41
|
37
|
|
2024/11
|
31
|
43
|
48
|
45
|
43
|
49
|
40
|
44
|
46
|
34
|
34
|
31
|
30
|
29
|
26
|
28
|
38
|
40
|
42
|
41
|
37
|
34
|
33
|
36
|
33
|
33
|
21
|
24
|
42
|
48
|
|
|
2024/10
|
18
|
17
|
24
|
21
|
30
|
31
|
36
|
39
|
32
|
28
|
30
|
35
|
35
|
29
|
28
|
17
|
16
|
26
|
31
|
24
|
24
|
27
|
24
|
36
|
34
|
33
|
41
|
48
|
42
|
30
|
27
|
|
2024/09
|
25
|
21
|
18
|
23
|
24
|
26
|
28
|
12
|
13
|
9
|
16
|
21
|
22
|
25
|
24
|
22
|
20
|
19
|
25
|
34
|
30
|
21
|
23
|
28
|
28
|
34
|
33
|
23
|
18
|
20
|
|
|
2024/08
|
18
|
20
|
15
|
16
|
13
|
13
|
11
|
11
|
11
|
13
|
29
|
43
|
25
|
31
|
31
|
27
|
29
|
28
|
27
|
30
|
19
|
14
|
13
|
20
|
15
|
12
|
17
|
23
|
23
|
23
|
22
|
|
2024/07
|
12
|
15
|
14
|
10
|
13
|
16
|
13
|
15
|
13
|
10
|
9
|
12
|
13
|
11
|
13
|
12
|
15
|
14
|
13
|
10
|
10
|
13
|
20
|
15
|
18
|
20
|
20
|
21
|
15
|
13
|
14
|
|
2024/06
|
25
|
21
|
19
|
27
|
22
|
14
|
11
|
14
|
15
|
18
|
11
|
10
|
9
|
13
|
11
|
15
|
25
|
23
|
26
|
23
|
20
|
18
|
18
|
20
|
18
|
14
|
11
|
13
|
12
|
12
|
|
|
2024/05
|
67
|
54
|
38
|
49
|
59
|
41
|
41
|
37
|
26
|
23
|
28
|
35
|
28
|
25
|
33
|
21
|
23
|
27
|
30
|
27
|
36
|
30
|
28
|
23
|
21
|
10
|
13
|
13
|
19
|
34
|
28
|
|
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