Air Quality
Excellent
No health implications.
14
PM2.5
20
PM10
40
O3
0.8
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Feb
38
Excellent
Sun
9 Feb
64
Good
Mon
10 Feb
63
Good
Tue
11 Feb
65
Good
Wed
12 Feb
59
Good
Thu
13 Feb
44
Excellent
Fri
14 Feb
48
Excellent
Air quality in the last 12 months (Yinhai)
|
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
|
|
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
|
||
|
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