Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
32
O3
0.6
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jan
74
Good
Tue
20 Jan
59
Good
Wed
21 Jan
89
Good
Thu
22 Jan
113
Light
Fri
23 Jan
129
Light
Sat
24 Jan
140
Light
Sun
25 Jan
40
Excellent
Yaohai Air quality rank
Air quality in the last 12 months (Yaohai)
|
2025/11
|
84
|
65
|
47
|
61
|
67
|
53
|
18
|
20
|
81
|
70
|
40
|
39
|
65
|
133
|
122
|
97
|
36
|
33
|
37
|
53
|
75
|
88
|
103
|
106
|
91
|
84
|
212
|
130
|
78
|
81
|
|
|
2025/10
|
32
|
33
|
16
|
35
|
50
|
56
|
49
|
44
|
41
|
59
|
57
|
57
|
22
|
30
|
39
|
31
|
26
|
14
|
22
|
27
|
19
|
27
|
29
|
35
|
40
|
36
|
68
|
76
|
63
|
55
|
66
|
|
2025/09
|
21
|
25
|
28
|
35
|
43
|
38
|
46
|
40
|
21
|
26
|
34
|
25
|
18
|
26
|
25
|
36
|
24
|
20
|
28
|
19
|
40
|
35
|
47
|
10
|
8
|
15
|
28
|
29
|
33
|
21
|
|
|
2025/08
|
9
|
16
|
22
|
26
|
34
|
23
|
19
|
24
|
27
|
10
|
9
|
16
|
23
|
25
|
21
|
29
|
35
|
32
|
31
|
23
|
23
|
25
|
21
|
27
|
24
|
14
|
28
|
38
|
33
|
19
|
12
|
|
2025/07
|
20
|
22
|
29
|
32
|
36
|
38
|
42
|
21
|
17
|
34
|
33
|
22
|
23
|
35
|
34
|
35
|
20
|
29
|
30
|
20
|
18
|
15
|
22
|
22
|
24
|
20
|
20
|
14
|
23
|
16
|
15
|
|
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
|
|
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