Air Quality
Excellent
No health implications.
9
PM2.5
12
PM10
39
O3
0.6
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Nov
37
Excellent
Mon
18 Nov
30
Excellent
Tue
19 Nov
30
Excellent
Wed
20 Nov
40
Excellent
Thu
21 Nov
40
Excellent
Fri
22 Nov
44
Excellent
Sat
23 Nov
44
Excellent
Air quality in the last 12 months (Meitan)
|
2024/10
|
19
|
19
|
29
|
35
|
37
|
46
|
46
|
30
|
33
|
53
|
60
|
57
|
40
|
23
|
27
|
22
|
23
|
28
|
21
|
16
|
17
|
19
|
21
|
20
|
31
|
36
|
47
|
38
|
31
|
36
|
55
|
|
2024/09
|
24
|
24
|
22
|
20
|
27
|
32
|
31
|
24
|
19
|
23
|
28
|
27
|
31
|
25
|
23
|
35
|
27
|
24
|
25
|
33
|
31
|
24
|
32
|
32
|
41
|
49
|
41
|
35
|
33
|
25
|
|
|
2024/08
|
13
|
12
|
16
|
14
|
18
|
19
|
20
|
19
|
21
|
22
|
39
|
51
|
40
|
31
|
28
|
28
|
26
|
23
|
25
|
22
|
21
|
21
|
17
|
15
|
18
|
21
|
21
|
22
|
23
|
25
|
22
|
|
2024/07
|
19
|
24
|
16
|
17
|
22
|
18
|
17
|
21
|
21
|
21
|
19
|
20
|
19
|
20
|
16
|
18
|
19
|
17
|
15
|
13
|
13
|
18
|
18
|
16
|
20
|
29
|
27
|
26
|
18
|
14
|
13
|
|
2024/06
|
23
|
22
|
15
|
16
|
21
|
15
|
14
|
12
|
11
|
13
|
18
|
16
|
22
|
24
|
28
|
22
|
15
|
12
|
13
|
18
|
19
|
18
|
18
|
20
|
19
|
14
|
13
|
16
|
14
|
20
|
|
|
2024/05
|
21
|
22
|
15
|
18
|
28
|
32
|
26
|
35
|
31
|
27
|
25
|
22
|
25
|
30
|
32
|
34
|
39
|
21
|
19
|
27
|
14
|
21
|
25
|
27
|
26
|
20
|
21
|
27
|
27
|
16
|
21
|
|
2024/04
|
35
|
45
|
30
|
21
|
24
|
19
|
23
|
22
|
27
|
35
|
33
|
28
|
36
|
40
|
51
|
40
|
24
|
20
|
19
|
22
|
36
|
39
|
26
|
31
|
24
|
28
|
25
|
23
|
32
|
17
|
|
|
2024/03
|
60
|
58
|
48
|
39
|
37
|
34
|
58
|
54
|
51
|
58
|
58
|
49
|
39
|
41
|
36
|
31
|
27
|
23
|
35
|
54
|
57
|
55
|
40
|
42
|
32
|
24
|
28
|
35
|
35
|
37
|
51
|
|
2024/02
|
33
|
18
|
19
|
23
|
27
|
27
|
42
|
52
|
87
|
212
|
66
|
46
|
49
|
59
|
66
|
34
|
40
|
49
|
60
|
53
|
29
|
21
|
25
|
26
|
26
|
33
|
46
|
52
|
57
|
||
|
2024/01
|
64
|
50
|
47
|
49
|
65
|
79
|
55
|
55
|
66
|
59
|
65
|
75
|
72
|
66
|
65
|
55
|
43
|
29
|
18
|
25
|
32
|
37
|
41
|
46
|
57
|
53
|
54
|
55
|
60
|
53
|
45
|
|
2023/12
|
55
|
43
|
49
|
46
|
51
|
54
|
57
|
58
|
86
|
67
|
50
|
29
|
32
|
38
|
46
|
25
|
30
|
29
|
40
|
43
|
51
|
67
|
68
|
72
|
70
|
76
|
90
|
91
|
103
|
92
|
94
|
|
2023/11
|
39
|
42
|
51
|
44
|
36
|
33
|
35
|
32
|
34
|
20
|
15
|
18
|
29
|
33
|
26
|
34
|
48
|
57
|
65
|
56
|
48
|
56
|
66
|
68
|
60
|
55
|
43
|
50
|
57
|
46
|
|
|
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