Air Quality
Excellent
No health implications.
4
PM2.5
14
PM10
46
O3
0.2
CO
4
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Jun
52
Good
Thu
19 Jun
47
Excellent
Fri
20 Jun
32
Excellent
Sat
21 Jun
31
Excellent
Sun
22 Jun
34
Excellent
Mon
23 Jun
34
Excellent
Tue
24 Jun
35
Excellent
Tonghai Air quality rank
Air quality in the last 12 months (Tonghai)
|
2025/05
|
31
|
31
|
24
|
18
|
23
|
26
|
29
|
33
|
41
|
37
|
19
|
26
|
28
|
30
|
20
|
20
|
23
|
18
|
25
|
24
|
35
|
30
|
49
|
32
|
19
|
12
|
16
|
14
|
10
|
16
|
15
|
|
2025/04
|
35
|
63
|
79
|
87
|
85
|
66
|
63
|
56
|
57
|
65
|
56
|
43
|
66
|
52
|
46
|
25
|
24
|
29
|
34
|
37
|
36
|
28
|
44
|
53
|
54
|
58
|
65
|
61
|
37
|
31
|
|
|
2025/03
|
45
|
44
|
55
|
50
|
60
|
57
|
42
|
47
|
44
|
38
|
51
|
58
|
57
|
61
|
59
|
49
|
48
|
20
|
29
|
51
|
73
|
67
|
58
|
41
|
41
|
49
|
56
|
100
|
104
|
70
|
60
|
|
2025/02
|
46
|
53
|
29
|
40
|
56
|
51
|
39
|
44
|
39
|
33
|
39
|
41
|
53
|
51
|
58
|
58
|
47
|
43
|
45
|
50
|
55
|
50
|
49
|
23
|
30
|
25
|
32
|
43
|
|||
|
2025/01
|
36
|
32
|
48
|
48
|
44
|
58
|
45
|
43
|
47
|
41
|
27
|
47
|
41
|
44
|
71
|
70
|
57
|
52
|
59
|
47
|
54
|
48
|
42
|
28
|
28
|
28
|
40
|
54
|
74
|
33
|
36
|
|
2024/12
|
23
|
25
|
23
|
22
|
24
|
23
|
23
|
25
|
20
|
26
|
31
|
30
|
26
|
33
|
46
|
43
|
24
|
37
|
48
|
39
|
37
|
43
|
35
|
39
|
44
|
50
|
51
|
43
|
40
|
30
|
39
|
|
2024/11
|
31
|
36
|
42
|
44
|
40
|
48
|
36
|
34
|
27
|
23
|
26
|
27
|
22
|
23
|
22
|
24
|
29
|
33
|
36
|
35
|
23
|
29
|
22
|
26
|
26
|
31
|
18
|
16
|
29
|
26
|
|
|
2024/10
|
25
|
16
|
25
|
23
|
35
|
34
|
37
|
42
|
27
|
20
|
28
|
30
|
22
|
24
|
25
|
18
|
17
|
27
|
36
|
26
|
19
|
24
|
22
|
33
|
25
|
29
|
41
|
46
|
43
|
37
|
30
|
|
2024/09
|
26
|
24
|
20
|
24
|
18
|
25
|
26
|
10
|
8
|
9
|
11
|
12
|
23
|
28
|
30
|
21
|
18
|
18
|
24
|
27
|
28
|
16
|
20
|
29
|
34
|
39
|
39
|
29
|
23
|
31
|
|
|
2024/08
|
41
|
33
|
20
|
16
|
16
|
13
|
12
|
10
|
11
|
13
|
28
|
43
|
39
|
33
|
31
|
27
|
31
|
34
|
28
|
38
|
31
|
24
|
17
|
20
|
17
|
12
|
22
|
26
|
24
|
26
|
31
|
|
2024/07
|
11
|
17
|
23
|
10
|
17
|
24
|
15
|
18
|
15
|
12
|
11
|
14
|
18
|
13
|
15
|
14
|
22
|
18
|
15
|
13
|
13
|
14
|
21
|
18
|
24
|
23
|
23
|
27
|
20
|
12
|
18
|
|
2024/06
|
26
|
25
|
28
|
35
|
12
|
14
|
17
|
16
|
13
|
11
|
15
|
19
|
11
|
17
|
14
|
17
|
27
|
29
|
31
|
31
|
22
|
21
|
21
|
20
|
17
|
16
|
15
|
17
|
12
|
13
|
|
|
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