Air Quality
Excellent
No health implications.
14
PM2.5
23
PM10
39
O3
0.3
CO
3
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Feb
47
Excellent
Fri
28 Feb
47
Excellent
Sat
1 Mar
51
Good
Sun
2 Mar
53
Good
Mon
3 Mar
47
Excellent
Tue
4 Mar
47
Excellent
Wed
5 Mar
32
Excellent
Air quality in the last 12 months (Tonghai)
|
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
|
|
|
2024/05
|
57
|
56
|
33
|
47
|
49
|
38
|
33
|
34
|
23
|
22
|
30
|
34
|
21
|
30
|
31
|
15
|
25
|
28
|
31
|
19
|
28
|
33
|
34
|
25
|
23
|
10
|
13
|
17
|
19
|
31
|
26
|
|
2024/04
|
45
|
49
|
57
|
61
|
61
|
81
|
71
|
61
|
61
|
65
|
80
|
80
|
70
|
47
|
62
|
79
|
84
|
73
|
44
|
49
|
45
|
50
|
49
|
50
|
41
|
44
|
50
|
59
|
56
|
53
|
|
|
2024/03
|
48
|
52
|
47
|
42
|
29
|
32
|
48
|
63
|
59
|
52
|
44
|
62
|
59
|
57
|
59
|
65
|
81
|
62
|
59
|
56
|
48
|
33
|
28
|
39
|
35
|
48
|
56
|
54
|
52
|
70
|
66
|
|
2024/02
|
35
|
45
|
56
|
40
|
41
|
41
|
47
|
56
|
50
|
62
|
57
|
48
|
37
|
33
|
38
|
39
|
34
|
33
|
63
|
55
|
53
|
57
|
66
|
55
|
51
|
41
|
44
|
42
|
42
|
||
|
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