Air Quality
Excellent
No health implications.
12
PM2.5
22
PM10
95
O3
0.3
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
61
Good
Mon
5 May
56
Good
Tue
6 May
57
Good
Wed
7 May
60
Good
Thu
8 May
60
Good
Fri
9 May
45
Excellent
Sat
10 May
29
Excellent
Air quality in the last 12 months (Yuanyang)
|
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
|
|
2024/04
|
53
|
54
|
65
|
70
|
69
|
91
|
86
|
68
|
59
|
61
|
65
|
67
|
72
|
59
|
78
|
84
|
81
|
63
|
55
|
50
|
50
|
55
|
55
|
55
|
40
|
49
|
57
|
60
|
64
|
60
|
|
|
2024/03
|
33
|
37
|
51
|
51
|
35
|
39
|
69
|
65
|
54
|
49
|
47
|
52
|
59
|
60
|
62
|
77
|
92
|
74
|
65
|
40
|
39
|
35
|
33
|
44
|
46
|
56
|
63
|
66
|
58
|
75
|
75
|
|
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