Air Quality
Excellent
No health implications.
10
PM2.5
17
PM10
40
O3
0.5
CO
8
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Aug
57
Good
Thu
21 Aug
60
Good
Fri
22 Aug
62
Good
Sat
23 Aug
64
Good
Sun
24 Aug
57
Good
Mon
25 Aug
62
Good
Tue
26 Aug
15
Excellent
Air quality in the last 12 months (Yanggao)
|
2025/06
|
33
|
18
|
21
|
28
|
26
|
21
|
22
|
24
|
25
|
27
|
41
|
53
|
30
|
25
|
13
|
19
|
33
|
33
|
24
|
16
|
19
|
25
|
29
|
33
|
40
|
48
|
46
|
36
|
32
|
31
|
|
|
2025/05
|
32
|
26
|
19
|
28
|
71
|
29
|
52
|
66
|
24
|
44
|
37
|
53
|
69
|
24
|
43
|
116
|
44
|
50
|
39
|
58
|
43
|
51
|
50
|
44
|
42
|
33
|
34
|
41
|
53
|
57
|
20
|
|
2025/04
|
47
|
32
|
72
|
96
|
37
|
60
|
54
|
39
|
43
|
48
|
180
|
40
|
30
|
23
|
42
|
114
|
198
|
24
|
38
|
54
|
52
|
45
|
53
|
25
|
33
|
48
|
18
|
33
|
46
|
34
|
|
|
2025/03
|
81
|
55
|
39
|
55
|
47
|
47
|
52
|
68
|
70
|
98
|
175
|
99
|
80
|
66
|
31
|
29
|
27
|
26
|
35
|
37
|
43
|
67
|
197
|
139
|
112
|
107
|
70
|
38
|
26
|
35
|
39
|
|
2025/02
|
79
|
33
|
26
|
36
|
41
|
77
|
18
|
35
|
54
|
65
|
71
|
41
|
54
|
59
|
79
|
21
|
34
|
39
|
23
|
27
|
35
|
27
|
28
|
65
|
53
|
67
|
79
|
78
|
|||
|
2025/01
|
58
|
37
|
52
|
52
|
66
|
29
|
34
|
17
|
31
|
50
|
58
|
44
|
63
|
32
|
43
|
65
|
71
|
62
|
70
|
60
|
50
|
34
|
78
|
75
|
91
|
123
|
26
|
38
|
175
|
67
|
78
|
|
2024/12
|
49
|
25
|
42
|
39
|
38
|
30
|
23
|
58
|
67
|
69
|
52
|
72
|
37
|
48
|
52
|
57
|
29
|
32
|
50
|
47
|
33
|
63
|
68
|
76
|
56
|
35
|
31
|
60
|
97
|
94
|
60
|
|
2024/11
|
58
|
67
|
41
|
28
|
48
|
44
|
59
|
80
|
103
|
54
|
61
|
63
|
61
|
48
|
54
|
57
|
38
|
49
|
63
|
59
|
46
|
40
|
57
|
76
|
23
|
28
|
21
|
21
|
32
|
54
|
|
|
2024/10
|
14
|
22
|
38
|
48
|
52
|
38
|
21
|
39
|
40
|
35
|
48
|
50
|
58
|
50
|
22
|
56
|
60
|
21
|
16
|
20
|
35
|
20
|
44
|
49
|
59
|
51
|
19
|
42
|
48
|
45
|
58
|
|
2024/09
|
20
|
17
|
21
|
21
|
11
|
15
|
12
|
24
|
28
|
14
|
19
|
20
|
21
|
11
|
18
|
19
|
22
|
33
|
39
|
16
|
10
|
15
|
29
|
36
|
16
|
33
|
52
|
44
|
31
|
16
|
|
|
2024/08
|
25
|
31
|
22
|
26
|
25
|
30
|
28
|
25
|
23
|
64
|
10
|
10
|
12
|
18
|
34
|
39
|
32
|
30
|
20
|
18
|
15
|
17
|
23
|
28
|
19
|
9
|
20
|
24
|
31
|
26
|
31
|
|
2024/07
|
20
|
24
|
24
|
30
|
32
|
29
|
37
|
35
|
35
|
43
|
48
|
31
|
23
|
31
|
38
|
23
|
21
|
33
|
38
|
31
|
46
|
64
|
56
|
50
|
19
|
21
|
31
|
23
|
18
|
17
|
22
|
|
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