Air Quality
Excellent
No health implications.
5
PM2.5
8
PM10
15
O3
0.3
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Nov
37
Excellent
Sun
15 Nov
38
Excellent
Mon
16 Nov
37
Excellent
Tue
17 Nov
38
Excellent
Wed
18 Nov
38
Excellent
Thu
19 Nov
25
Excellent
Fri
20 Nov
22
Excellent
Air quality in the last 12 months (Tonghai)
|
2026/09
|
33
|
35
|
41
|
39
|
24
|
25
|
28
|
27
|
27
|
25
|
25
|
28
|
32
|
30
|
23
|
21
|
20
|
18
|
20
|
24
|
21
|
23
|
26
|
25
|
26
|
24
|
24
|
23
|
18
|
18
|
|
|
2026/08
|
16
|
14
|
13
|
24
|
33
|
25
|
18
|
24
|
28
|
28
|
35
|
30
|
34
|
35
|
32
|
31
|
23
|
23
|
20
|
24
|
29
|
29
|
33
|
34
|
32
|
22
|
18
|
28
|
20
|
24
|
28
|
|
2026/07
|
17
|
16
|
17
|
21
|
20
|
17
|
19
|
20
|
24
|
24
|
19
|
19
|
23
|
25
|
22
|
17
|
17
|
23
|
31
|
42
|
33
|
31
|
25
|
24
|
21
|
20
|
23
|
18
|
16
|
16
|
18
|
|
2026/06
|
24
|
23
|
23
|
27
|
33
|
26
|
21
|
24
|
25
|
26
|
24
|
20
|
16
|
18
|
19
|
17
|
17
|
16
|
18
|
17
|
17
|
16
|
18
|
18
|
21
|
18
|
17
|
16
|
21
|
21
|
|
|
2026/05
|
25
|
23
|
22
|
26
|
31
|
32
|
31
|
34
|
34
|
18
|
17
|
19
|
24
|
27
|
32
|
37
|
35
|
36
|
36
|
35
|
30
|
29
|
28
|
25
|
29
|
40
|
44
|
34
|
22
|
21
|
25
|
|
2026/04
|
45
|
46
|
44
|
47
|
44
|
45
|
42
|
47
|
39
|
37
|
39
|
41
|
48
|
61
|
73
|
70
|
62
|
59
|
59
|
46
|
50
|
58
|
56
|
52
|
41
|
41
|
40
|
40
|
29
|
28
|
|
|
2026/03
|
51
|
53
|
52
|
46
|
56
|
56
|
52
|
54
|
30
|
28
|
38
|
41
|
37
|
33
|
29
|
31
|
42
|
38
|
47
|
43
|
52
|
42
|
32
|
47
|
70
|
54
|
51
|
75
|
46
|
37
|
45
|
|
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
|
|
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