Air Quality
Excellent
No health implications.
20
PM2.5
38
PM10
111
O3
0.6
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
36
Excellent
Thu
1 May
56
Good
Fri
2 May
73
Good
Sat
3 May
69
Good
Sun
4 May
62
Good
Mon
5 May
38
Excellent
Tue
6 May
22
Excellent
Air quality in the last 12 months (Yinhai)
|
2025/02
|
38
|
52
|
22
|
32
|
61
|
70
|
21
|
41
|
68
|
77
|
82
|
43
|
58
|
35
|
45
|
42
|
62
|
49
|
55
|
38
|
78
|
78
|
30
|
38
|
123
|
58
|
59
|
34
|
|||
|
2025/01
|
121
|
91
|
103
|
81
|
98
|
118
|
85
|
95
|
98
|
53
|
58
|
60
|
64
|
68
|
54
|
78
|
79
|
78
|
114
|
140
|
113
|
76
|
62
|
45
|
50
|
32
|
46
|
76
|
160
|
55
|
45
|
|
2024/12
|
50
|
44
|
44
|
46
|
44
|
77
|
66
|
37
|
49
|
47
|
45
|
45
|
55
|
62
|
54
|
57
|
70
|
76
|
59
|
64
|
97
|
85
|
89
|
100
|
100
|
100
|
89
|
79
|
92
|
85
|
108
|
|
2024/11
|
50
|
51
|
62
|
47
|
68
|
70
|
66
|
54
|
65
|
63
|
48
|
54
|
56
|
47
|
40
|
30
|
37
|
40
|
38
|
38
|
37
|
45
|
44
|
50
|
35
|
33
|
46
|
44
|
44
|
50
|
|
|
2024/10
|
38
|
30
|
46
|
56
|
51
|
52
|
55
|
61
|
47
|
47
|
51
|
45
|
40
|
34
|
32
|
30
|
21
|
15
|
23
|
32
|
39
|
44
|
29
|
36
|
40
|
50
|
37
|
27
|
37
|
45
|
59
|
|
2024/09
|
19
|
14
|
18
|
32
|
43
|
36
|
15
|
27
|
24
|
15
|
26
|
33
|
35
|
36
|
37
|
30
|
25
|
24
|
28
|
28
|
25
|
18
|
26
|
29
|
36
|
41
|
35
|
13
|
15
|
19
|
|
|
2024/08
|
33
|
32
|
29
|
18
|
20
|
16
|
20
|
23
|
27
|
29
|
22
|
21
|
21
|
21
|
18
|
27
|
24
|
21
|
23
|
23
|
25
|
25
|
21
|
14
|
18
|
14
|
16
|
19
|
15
|
28
|
23
|
|
2024/07
|
30
|
29
|
25
|
18
|
12
|
14
|
17
|
18
|
17
|
18
|
18
|
19
|
17
|
17
|
20
|
18
|
12
|
13
|
15
|
16
|
17
|
16
|
27
|
22
|
21
|
32
|
26
|
22
|
15
|
10
|
24
|
|
2024/06
|
18
|
15
|
20
|
17
|
15
|
14
|
15
|
11
|
17
|
19
|
19
|
23
|
31
|
32
|
32
|
31
|
31
|
25
|
30
|
25
|
25
|
16
|
15
|
13
|
14
|
16
|
15
|
14
|
23
|
29
|
|
|
2024/05
|
25
|
21
|
23
|
22
|
22
|
39
|
27
|
25
|
30
|
36
|
31
|
22
|
32
|
27
|
34
|
37
|
46
|
32
|
13
|
20
|
17
|
25
|
15
|
19
|
12
|
14
|
34
|
17
|
27
|
21
|
15
|
|
2024/04
|
50
|
48
|
45
|
46
|
55
|
39
|
40
|
24
|
33
|
36
|
43
|
38
|
34
|
41
|
48
|
32
|
34
|
29
|
37
|
42
|
30
|
26
|
30
|
39
|
32
|
42
|
54
|
58
|
44
|
52
|
|
|
2024/03
|
35
|
57
|
91
|
38
|
49
|
64
|
69
|
77
|
51
|
14
|
16
|
36
|
31
|
48
|
58
|
55
|
47
|
40
|
28
|
54
|
61
|
47
|
43
|
52
|
44
|
49
|
39
|
36
|
44
|
30
|
39
|
|
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