Air Quality
Excellent
No health implications.
16
PM2.5
34
PM10
116
O3
0.2
CO
3
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Mar
52
Good
Fri
20 Mar
79
Good
Sat
21 Mar
74
Good
Sun
22 Mar
55
Good
Mon
23 Mar
52
Good
Tue
24 Mar
53
Good
Wed
25 Mar
39
Excellent
Tonghai Air quality rank
Air quality in the last 12 months (Tonghai)
|
2026/02
|
31
|
29
|
37
|
42
|
43
|
51
|
44
|
36
|
28
|
32
|
32
|
31
|
32
|
33
|
39
|
51
|
94
|
54
|
34
|
30
|
22
|
27
|
36
|
41
|
37
|
28
|
33
|
41
|
|||
|
2026/01
|
37
|
32
|
19
|
22
|
24
|
22
|
36
|
40
|
36
|
30
|
42
|
33
|
43
|
38
|
41
|
34
|
32
|
33
|
34
|
35
|
31
|
32
|
32
|
32
|
33
|
31
|
35
|
33
|
35
|
36
|
39
|
|
2025/12
|
36
|
33
|
43
|
42
|
34
|
28
|
30
|
38
|
31
|
34
|
35
|
32
|
43
|
49
|
28
|
26
|
35
|
30
|
24
|
29
|
37
|
28
|
28
|
32
|
39
|
44
|
33
|
31
|
30
|
26
|
28
|
|
2025/11
|
22
|
8
|
8
|
14
|
16
|
15
|
20
|
18
|
11
|
16
|
16
|
17
|
21
|
23
|
26
|
28
|
26
|
19
|
17
|
36
|
40
|
40
|
29
|
33
|
41
|
45
|
43
|
37
|
43
|
39
|
|
|
2025/10
|
13
|
13
|
16
|
17
|
19
|
19
|
9
|
12
|
16
|
19
|
23
|
25
|
25
|
30
|
20
|
15
|
16
|
21
|
21
|
31
|
14
|
16
|
18
|
31
|
28
|
23
|
21
|
28
|
26
|
25
|
29
|
|
2025/09
|
19
|
19
|
17
|
20
|
20
|
22
|
21
|
24
|
16
|
15
|
15
|
15
|
15
|
11
|
17
|
19
|
20
|
23
|
20
|
19
|
25
|
23
|
16
|
11
|
22
|
10
|
14
|
17
|
11
|
10
|
|
|
2025/08
|
26
|
26
|
23
|
19
|
26
|
26
|
15
|
11
|
13
|
21
|
17
|
23
|
15
|
26
|
30
|
14
|
15
|
23
|
25
|
21
|
14
|
10
|
13
|
17
|
17
|
12
|
11
|
14
|
17
|
16
|
17
|
|
2025/07
|
20
|
15
|
15
|
19
|
21
|
18
|
21
|
14
|
17
|
19
|
22
|
22
|
26
|
33
|
25
|
30
|
24
|
23
|
20
|
24
|
23
|
14
|
12
|
12
|
13
|
30
|
42
|
27
|
31
|
32
|
15
|
|
2025/06
|
14
|
16
|
14
|
16
|
23
|
34
|
34
|
33
|
21
|
32
|
41
|
34
|
33
|
34
|
23
|
29
|
18
|
13
|
15
|
15
|
16
|
10
|
15
|
12
|
13
|
15
|
17
|
14
|
15
|
16
|
|
|
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
|
|
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