Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
38
PM2.5
60
*
PM10
78
O3
0.9
CO
7
SO2
13
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
28 Apr
54
Good
Mon
29 Apr
44
Excellent
Tue
30 Apr
42
Excellent
Wed
1 May
37
Excellent
Thu
2 May
38
Excellent
Fri
3 May
38
Excellent
Sat
4 May
38
Excellent
Air quality in the last 12 months (Yinhai)
|
2024/02
|
25
|
30
|
36
|
36
|
52
|
37
|
20
|
26
|
50
|
117
|
84
|
59
|
52
|
50
|
50
|
41
|
43
|
28
|
35
|
49
|
55
|
42
|
23
|
17
|
17
|
16
|
15
|
20
|
15
|
||
|
2024/01
|
72
|
57
|
38
|
43
|
47
|
58
|
70
|
49
|
57
|
50
|
52
|
54
|
64
|
50
|
44
|
48
|
43
|
40
|
35
|
40
|
40
|
26
|
40
|
48
|
57
|
70
|
42
|
23
|
21
|
37
|
30
|
|
2023/12
|
61
|
59
|
64
|
40
|
43
|
50
|
48
|
45
|
35
|
28
|
20
|
43
|
50
|
32
|
29
|
28
|
25
|
19
|
16
|
26
|
42
|
56
|
56
|
54
|
58
|
66
|
76
|
68
|
58
|
55
|
70
|
|
2023/11
|
55
|
39
|
28
|
27
|
26
|
35
|
39
|
38
|
20
|
28
|
24
|
28
|
21
|
29
|
43
|
30
|
46
|
50
|
56
|
65
|
69
|
44
|
47
|
69
|
53
|
62
|
74
|
72
|
62
|
35
|
|
|
2023/10
|
25
|
27
|
28
|
24
|
29
|
35
|
34
|
29
|
31
|
20
|
15
|
26
|
38
|
53
|
53
|
52
|
56
|
48
|
18
|
18
|
20
|
19
|
31
|
38
|
42
|
46
|
28
|
36
|
34
|
25
|
41
|
|
2023/09
|
39
|
38
|
23
|
22
|
29
|
45
|
39
|
27
|
20
|
24
|
23
|
17
|
20
|
20
|
18
|
21
|
18
|
16
|
16
|
16
|
17
|
19
|
26
|
28
|
23
|
19
|
22
|
30
|
24
|
26
|
|
|
2023/08
|
18
|
18
|
22
|
17
|
28
|
31
|
26
|
24
|
30
|
31
|
23
|
18
|
24
|
21
|
24
|
26
|
31
|
25
|
21
|
24
|
19
|
17
|
18
|
21
|
26
|
24
|
25
|
19
|
16
|
25
|
37
|
|
2023/07
|
25
|
23
|
21
|
24
|
25
|
27
|
25
|
22
|
22
|
21
|
22
|
23
|
24
|
21
|
29
|
40
|
46
|
28
|
24
|
18
|
16
|
16
|
17
|
17
|
18
|
18
|
23
|
29
|
27
|
23
|
19
|
|
2023/06
|
20
|
32
|
36
|
25
|
20
|
22
|
17
|
26
|
24
|
22
|
28
|
25
|
26
|
31
|
27
|
27
|
29
|
26
|
23
|
25
|
27
|
30
|
22
|
22
|
19
|
21
|
19
|
18
|
17
|
22
|
|
|
2023/05
|
50
|
31
|
31
|
24
|
35
|
43
|
46
|
20
|
31
|
32
|
31
|
16
|
17
|
28
|
42
|
26
|
43
|
53
|
52
|
45
|
42
|
44
|
46
|
42
|
26
|
26
|
20
|
26
|
24
|
23
|
23
|
|
2023/04
|
42
|
32
|
32
|
30
|
53
|
49
|
31
|
49
|
55
|
41
|
33
|
39
|
36
|
39
|
48
|
49
|
44
|
38
|
44
|
59
|
49
|
40
|
37
|
23
|
20
|
28
|
31
|
27
|
26
|
64
|
|
|
2023/03
|
38
|
75
|
55
|
86
|
81
|
47
|
43
|
36
|
48
|
45
|
43
|
54
|
90
|
68
|
40
|
32
|
34
|
34
|
28
|
26
|
29
|
48
|
55
|
54
|
39
|
23
|
16
|
18
|
14
|
22
|
30
|
|
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