Air Quality
Heavy
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
80
PM2.5
387
*
PM10
134
O3
0.5
CO
6
SO2
16
NO2
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
Advise
Children, seniors and individuals with heart or lung diseases should stay indoors and avoid outdoor activities. General population should reduce outdoor activities.
Air Quality
Today
17 May
102
Light
Sun
18 May
104
Light
Mon
19 May
95
Good
Tue
20 May
116
Light
Wed
21 May
102
Light
Thu
22 May
90
Good
Fri
23 May
36
Excellent
Air quality in the last 12 months (Yaohai)
|
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
|
|
|
2024/05
|
46
|
45
|
44
|
42
|
48
|
40
|
51
|
45
|
53
|
63
|
51
|
131
|
92
|
68
|
64
|
43
|
63
|
69
|
55
|
53
|
51
|
45
|
52
|
66
|
56
|
36
|
26
|
36
|
42
|
39
|
46
|
|
2024/04
|
88
|
32
|
62
|
52
|
45
|
48
|
51
|
42
|
55
|
71
|
66
|
78
|
81
|
57
|
66
|
62
|
56
|
65
|
59
|
52
|
58
|
62
|
90
|
81
|
70
|
73
|
67
|
42
|
32
|
47
|
|
|
2024/03
|
53
|
59
|
59
|
75
|
65
|
81
|
79
|
79
|
64
|
97
|
91
|
81
|
87
|
94
|
121
|
123
|
121
|
60
|
90
|
105
|
74
|
62
|
58
|
69
|
46
|
59
|
80
|
65
|
64
|
55
|
103
|
|
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