Air Quality
Excellent
No health implications.
7
PM2.5
17
PM10
42
O3
0.3
CO
3
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Mar
36
Excellent
Tue
4 Mar
43
Excellent
Wed
5 Mar
47
Excellent
Thu
6 Mar
43
Excellent
Fri
7 Mar
46
Excellent
Sat
8 Mar
19
Excellent
Sun
9 Mar
36
Excellent
Air quality in the last 12 months (Meilan)
|
2025/01
|
64
|
51
|
64
|
54
|
61
|
71
|
49
|
54
|
69
|
63
|
46
|
43
|
44
|
46
|
43
|
57
|
60
|
51
|
50
|
58
|
43
|
56
|
52
|
40
|
33
|
34
|
35
|
34
|
50
|
51
|
51
|
|
2024/12
|
41
|
35
|
35
|
33
|
40
|
45
|
56
|
39
|
40
|
33
|
36
|
47
|
43
|
42
|
57
|
42
|
41
|
46
|
48
|
53
|
50
|
46
|
54
|
56
|
50
|
48
|
69
|
67
|
59
|
49
|
57
|
|
2024/11
|
49
|
43
|
37
|
37
|
43
|
48
|
54
|
46
|
50
|
51
|
45
|
46
|
48
|
49
|
40
|
40
|
24
|
30
|
27
|
10
|
16
|
28
|
35
|
33
|
30
|
28
|
37
|
40
|
40
|
44
|
|
|
2024/10
|
27
|
30
|
43
|
45
|
37
|
40
|
40
|
53
|
61
|
52
|
38
|
34
|
31
|
23
|
18
|
15
|
16
|
17
|
19
|
28
|
33
|
40
|
28
|
34
|
40
|
46
|
28
|
29
|
26
|
34
|
42
|
|
2024/09
|
12
|
14
|
16
|
25
|
26
|
22
|
21
|
30
|
25
|
18
|
13
|
19
|
22
|
17
|
29
|
30
|
23
|
26
|
22
|
15
|
16
|
14
|
16
|
17
|
20
|
29
|
25
|
21
|
18
|
17
|
|
|
2024/08
|
22
|
22
|
21
|
21
|
20
|
21
|
25
|
26
|
25
|
30
|
28
|
26
|
20
|
21
|
23
|
21
|
16
|
18
|
25
|
21
|
20
|
21
|
19
|
22
|
16
|
21
|
17
|
20
|
26
|
20
|
16
|
|
2024/07
|
19
|
20
|
18
|
15
|
10
|
13
|
11
|
13
|
14
|
17
|
18
|
17
|
14
|
16
|
17
|
16
|
13
|
13
|
17
|
16
|
13
|
14
|
14
|
18
|
16
|
17
|
24
|
25
|
18
|
17
|
19
|
|
2024/06
|
15
|
20
|
17
|
18
|
23
|
15
|
14
|
21
|
19
|
19
|
19
|
19
|
21
|
23
|
24
|
28
|
24
|
23
|
26
|
24
|
20
|
13
|
12
|
12
|
14
|
15
|
13
|
13
|
15
|
17
|
|
|
2024/05
|
28
|
18
|
20
|
20
|
25
|
32
|
24
|
22
|
31
|
32
|
31
|
27
|
21
|
28
|
32
|
32
|
40
|
18
|
16
|
19
|
17
|
13
|
13
|
19
|
17
|
17
|
23
|
21
|
23
|
27
|
18
|
|
2024/04
|
39
|
29
|
28
|
31
|
24
|
35
|
34
|
34
|
34
|
30
|
42
|
35
|
36
|
34
|
37
|
32
|
26
|
35
|
30
|
31
|
28
|
25
|
27
|
36
|
27
|
39
|
45
|
37
|
33
|
35
|
|
|
2024/03
|
16
|
16
|
28
|
24
|
38
|
46
|
41
|
35
|
38
|
35
|
25
|
22
|
29
|
43
|
52
|
40
|
29
|
31
|
27
|
41
|
51
|
43
|
32
|
32
|
41
|
33
|
39
|
36
|
32
|
25
|
32
|
|
2024/02
|
21
|
20
|
22
|
21
|
20
|
22
|
30
|
11
|
20
|
59
|
54
|
46
|
42
|
33
|
34
|
38
|
33
|
20
|
22
|
35
|
29
|
30
|
34
|
34
|
30
|
34
|
31
|
37
|
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