Air Quality
Excellent
No health implications.
7
PM2.5
11
PM10
48
O3
0.3
CO
4
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Aug
28
Excellent
Sun
31 Aug
28
Excellent
Mon
1 Sep
28
Excellent
Tue
2 Sep
32
Excellent
Wed
3 Sep
30
Excellent
Thu
4 Sep
29
Excellent
Fri
5 Sep
50
Excellent
Air quality in the last 12 months (Meilan)
|
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
|
|
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
|
|
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