Air Quality
Excellent
No health implications.
3
PM2.5
13
PM10
54
O3
0.8
CO
7
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Dec
60
Good
Mon
15 Dec
56
Good
Tue
16 Dec
63
Good
Wed
17 Dec
69
Good
Thu
18 Dec
61
Good
Fri
19 Dec
16
Excellent
Sat
20 Dec
32
Excellent
Air quality in the last 12 months (Meilan)
|
2025/11
|
38
|
44
|
44
|
22
|
21
|
28
|
16
|
19
|
33
|
35
|
31
|
26
|
44
|
32
|
41
|
43
|
39
|
48
|
27
|
31
|
37
|
40
|
51
|
54
|
46
|
51
|
49
|
53
|
59
|
46
|
|
|
2025/10
|
14
|
13
|
15
|
15
|
19
|
18
|
18
|
14
|
20
|
25
|
24
|
15
|
10
|
11
|
18
|
22
|
23
|
30
|
31
|
27
|
22
|
19
|
21
|
33
|
39
|
39
|
36
|
39
|
42
|
29
|
45
|
|
2025/09
|
12
|
13
|
10
|
12
|
12
|
11
|
16
|
15
|
17
|
16
|
15
|
11
|
12
|
14
|
14
|
12
|
14
|
17
|
17
|
20
|
20
|
10
|
22
|
22
|
17
|
16
|
28
|
18
|
23
|
20
|
|
|
2025/08
|
26
|
28
|
33
|
32
|
26
|
28
|
31
|
23
|
25
|
21
|
19
|
21
|
22
|
18
|
17
|
17
|
20
|
9
|
16
|
20
|
21
|
14
|
14
|
21
|
19
|
16
|
12
|
14
|
18
|
15
|
12
|
|
2025/07
|
15
|
11
|
12
|
11
|
16
|
16
|
16
|
19
|
22
|
23
|
20
|
20
|
24
|
26
|
27
|
25
|
22
|
27
|
17
|
11
|
10
|
17
|
23
|
15
|
17
|
16
|
20
|
15
|
17
|
17
|
19
|
|
2025/06
|
21
|
21
|
27
|
24
|
11
|
14
|
18
|
22
|
20
|
19
|
20
|
17
|
13
|
14
|
20
|
19
|
24
|
19
|
16
|
18
|
17
|
14
|
15
|
15
|
12
|
10
|
10
|
16
|
15
|
16
|
|
|
2025/05
|
26
|
21
|
29
|
26
|
21
|
25
|
22
|
17
|
25
|
22
|
29
|
36
|
29
|
19
|
12
|
15
|
15
|
20
|
18
|
20
|
21
|
15
|
15
|
15
|
32
|
42
|
34
|
22
|
16
|
13
|
13
|
|
2025/04
|
26
|
37
|
30
|
34
|
41
|
33
|
45
|
38
|
39
|
37
|
28
|
33
|
149
|
170
|
152
|
123
|
81
|
53
|
36
|
26
|
24
|
28
|
31
|
30
|
30
|
27
|
17
|
28
|
35
|
34
|
|
|
2025/03
|
28
|
23
|
29
|
25
|
22
|
14
|
13
|
26
|
38
|
52
|
43
|
31
|
27
|
20
|
24
|
21
|
37
|
43
|
54
|
51
|
47
|
45
|
38
|
40
|
41
|
37
|
33
|
30
|
21
|
10
|
20
|
|
2025/02
|
33
|
18
|
35
|
23
|
28
|
39
|
43
|
35
|
54
|
43
|
37
|
29
|
37
|
26
|
21
|
20
|
36
|
51
|
45
|
38
|
39
|
28
|
34
|
29
|
32
|
46
|
40
|
29
|
|||
|
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
|
|
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