Air Quality
Excellent
No health implications.
10
PM2.5
28
PM10
65
O3
0.4
CO
10
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
62
Good
Mon
5 May
66
Good
Tue
6 May
58
Good
Wed
7 May
64
Good
Thu
8 May
62
Good
Fri
9 May
19
Excellent
Sat
10 May
50
Excellent
Air quality in the last 12 months (Yangyuan)
|
2025/02
|
88
|
48
|
27
|
38
|
41
|
78
|
17
|
35
|
55
|
68
|
79
|
47
|
57
|
62
|
78
|
27
|
36
|
45
|
31
|
35
|
42
|
32
|
28
|
65
|
55
|
67
|
84
|
85
|
|||
|
2025/01
|
58
|
46
|
50
|
53
|
65
|
26
|
29
|
18
|
33
|
51
|
61
|
47
|
63
|
34
|
38
|
64
|
72
|
65
|
70
|
66
|
53
|
41
|
84
|
84
|
104
|
122
|
24
|
42
|
178
|
64
|
83
|
|
2024/12
|
53
|
25
|
47
|
50
|
35
|
31
|
21
|
51
|
65
|
70
|
56
|
73
|
41
|
45
|
50
|
56
|
36
|
33
|
49
|
49
|
35
|
62
|
67
|
77
|
62
|
40
|
36
|
60
|
91
|
92
|
61
|
|
2024/11
|
61
|
70
|
46
|
26
|
50
|
46
|
65
|
99
|
134
|
86
|
68
|
69
|
73
|
55
|
57
|
60
|
42
|
49
|
70
|
61
|
46
|
37
|
56
|
82
|
33
|
26
|
19
|
23
|
37
|
57
|
|
|
2024/10
|
17
|
23
|
37
|
45
|
58
|
56
|
28
|
42
|
51
|
35
|
53
|
57
|
75
|
61
|
35
|
57
|
61
|
26
|
17
|
24
|
43
|
28
|
49
|
51
|
74
|
92
|
31
|
44
|
56
|
49
|
68
|
|
2024/09
|
25
|
16
|
23
|
29
|
12
|
20
|
15
|
27
|
35
|
17
|
22
|
22
|
26
|
14
|
23
|
28
|
27
|
40
|
46
|
20
|
9
|
17
|
31
|
43
|
24
|
39
|
60
|
55
|
46
|
15
|
|
|
2024/08
|
29
|
34
|
26
|
27
|
24
|
31
|
28
|
27
|
26
|
60
|
10
|
10
|
14
|
21
|
37
|
40
|
32
|
32
|
21
|
19
|
17
|
21
|
27
|
32
|
21
|
9
|
19
|
24
|
32
|
31
|
38
|
|
2024/07
|
24
|
28
|
30
|
39
|
44
|
35
|
43
|
39
|
43
|
51
|
54
|
41
|
26
|
41
|
49
|
28
|
23
|
36
|
44
|
31
|
47
|
58
|
60
|
53
|
19
|
24
|
38
|
31
|
22
|
18
|
25
|
|
2024/06
|
30
|
39
|
40
|
42
|
41
|
49
|
22
|
32
|
38
|
31
|
44
|
52
|
48
|
23
|
26
|
31
|
47
|
50
|
44
|
51
|
42
|
311
|
138
|
24
|
27
|
55
|
62
|
53
|
52
|
36
|
|
|
2024/05
|
45
|
45
|
50
|
61
|
56
|
45
|
41
|
41
|
64
|
133
|
79
|
32
|
46
|
64
|
31
|
68
|
58
|
74
|
75
|
53
|
55
|
68
|
76
|
56
|
25
|
35
|
29
|
41
|
56
|
45
|
22
|
|
2024/04
|
73
|
75
|
56
|
57
|
52
|
52
|
52
|
69
|
59
|
51
|
58
|
75
|
79
|
103
|
148
|
43
|
59
|
63
|
72
|
28
|
50
|
111
|
52
|
59
|
101
|
94
|
116
|
44
|
24
|
27
|
|
|
2024/03
|
38
|
79
|
61
|
86
|
81
|
38
|
47
|
41
|
63
|
79
|
49
|
41
|
54
|
55
|
85
|
85
|
47
|
120
|
59
|
48
|
92
|
73
|
72
|
55
|
48
|
67
|
169
|
292
|
110
|
43
|
61
|
|
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