Air Quality
Excellent
No health implications.
8
PM2.5
24
PM10
33
O3
0.4
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Jul
60
Good
Thu
10 Jul
74
Good
Fri
11 Jul
88
Good
Sat
12 Jul
85
Good
Sun
13 Jul
86
Good
Mon
14 Jul
82
Good
Tue
15 Jul
44
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