Air Quality
Excellent
No health implications.
21
PM2.5
34
PM10
63
O3
0.6
CO
5
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Jul
102
Light
Fri
4 Jul
109
Light
Sat
5 Jul
109
Light
Sun
6 Jul
107
Light
Mon
7 Jul
109
Light
Tue
8 Jul
93
Good
Wed
9 Jul
31
Excellent
Air quality in the last 12 months (Yaohai)
|
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
|
|
2024/06
|
48
|
41
|
45
|
51
|
46
|
29
|
44
|
55
|
49
|
23
|
34
|
47
|
39
|
48
|
58
|
46
|
42
|
43
|
25
|
35
|
23
|
19
|
25
|
33
|
25
|
47
|
33
|
11
|
10
|
12
|
|
|
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