Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
65
O3
0.5
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Aug
50
Excellent
Tue
12 Aug
52
Good
Wed
13 Aug
58
Good
Thu
14 Aug
56
Good
Fri
15 Aug
69
Good
Sat
16 Aug
76
Good
Sun
17 Aug
43
Excellent
Air quality in the last 12 months (Yaohai)
|
2025/06
|
17
|
15
|
44
|
57
|
47
|
37
|
20
|
21
|
30
|
37
|
48
|
44
|
46
|
32
|
25
|
41
|
40
|
17
|
9
|
14
|
8
|
18
|
30
|
35
|
33
|
32
|
14
|
14
|
11
|
20
|
|
|
2025/05
|
53
|
60
|
56
|
44
|
43
|
95
|
98
|
50
|
31
|
31
|
37
|
50
|
47
|
48
|
57
|
36
|
81
|
83
|
75
|
48
|
26
|
47
|
56
|
68
|
59
|
61
|
66
|
57
|
54
|
47
|
51
|
|
2025/04
|
55
|
66
|
56
|
70
|
77
|
67
|
66
|
67
|
69
|
76
|
59
|
171
|
82
|
74
|
50
|
58
|
67
|
69
|
75
|
59
|
47
|
61
|
78
|
70
|
62
|
54
|
48
|
66
|
57
|
56
|
|
|
2025/03
|
54
|
46
|
23
|
61
|
76
|
69
|
62
|
76
|
95
|
78
|
58
|
120
|
90
|
39
|
38
|
50
|
38
|
49
|
53
|
52
|
51
|
65
|
69
|
91
|
66
|
66
|
96
|
85
|
165
|
87
|
54
|
|
2025/02
|
59
|
52
|
111
|
72
|
50
|
43
|
80
|
34
|
41
|
53
|
67
|
100
|
59
|
82
|
98
|
86
|
68
|
56
|
68
|
63
|
52
|
64
|
95
|
77
|
75
|
114
|
65
|
56
|
|||
|
2025/01
|
89
|
146
|
169
|
132
|
102
|
75
|
50
|
71
|
46
|
51
|
66
|
78
|
91
|
112
|
64
|
67
|
77
|
85
|
127
|
161
|
113
|
170
|
139
|
56
|
26
|
63
|
47
|
60
|
118
|
67
|
101
|
|
2024/12
|
61
|
82
|
85
|
53
|
75
|
132
|
122
|
43
|
51
|
60
|
100
|
76
|
88
|
73
|
60
|
62
|
82
|
88
|
51
|
73
|
89
|
58
|
65
|
80
|
102
|
125
|
81
|
90
|
75
|
78
|
100
|
|
2024/11
|
50
|
86
|
89
|
79
|
49
|
49
|
43
|
44
|
52
|
50
|
53
|
57
|
59
|
70
|
80
|
60
|
26
|
30
|
26
|
36
|
42
|
78
|
45
|
43
|
40
|
46
|
63
|
57
|
44
|
64
|
|
|
2024/10
|
29
|
42
|
24
|
29
|
30
|
12
|
11
|
36
|
46
|
63
|
69
|
66
|
65
|
56
|
58
|
58
|
33
|
16
|
29
|
33
|
44
|
42
|
60
|
52
|
43
|
38
|
55
|
103
|
92
|
46
|
41
|
|
2024/09
|
45
|
40
|
27
|
44
|
43
|
43
|
40
|
43
|
28
|
30
|
22
|
13
|
19
|
41
|
30
|
34
|
14
|
28
|
24
|
22
|
27
|
29
|
30
|
34
|
51
|
44
|
25
|
44
|
44
|
51
|
|
|
2024/08
|
17
|
21
|
26
|
29
|
33
|
32
|
33
|
35
|
43
|
35
|
62
|
66
|
44
|
23
|
22
|
20
|
36
|
40
|
42
|
22
|
37
|
37
|
39
|
42
|
48
|
46
|
19
|
14
|
21
|
33
|
44
|
|
2024/07
|
17
|
16
|
20
|
22
|
26
|
25
|
25
|
24
|
28
|
25
|
37
|
34
|
14
|
9
|
24
|
42
|
29
|
24
|
28
|
21
|
28
|
26
|
35
|
44
|
21
|
23
|
12
|
12
|
15
|
22
|
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