Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
38
PM2.5
85
*
PM10
60
O3
0.6
CO
5
SO2
21
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
8 Jan
86
Good
Thu
9 Jan
86
Good
Fri
10 Jan
73
Good
Sat
11 Jan
70
Good
Sun
12 Jan
67
Good
Mon
13 Jan
42
Excellent
Tue
14 Jan
44
Excellent
Air quality in the last 12 months (Quannan)
|
2024/12
|
65
|
68
|
50
|
47
|
57
|
50
|
44
|
37
|
46
|
49
|
45
|
30
|
30
|
43
|
54
|
54
|
60
|
60
|
59
|
47
|
50
|
68
|
73
|
50
|
56
|
63
|
71
|
75
|
69
|
68
|
73
|
|
2024/11
|
23
|
26
|
41
|
52
|
50
|
45
|
33
|
36
|
49
|
51
|
45
|
36
|
32
|
41
|
40
|
25
|
31
|
18
|
16
|
16
|
21
|
27
|
33
|
37
|
34
|
17
|
29
|
31
|
38
|
55
|
|
|
2024/10
|
20
|
15
|
23
|
25
|
24
|
31
|
34
|
30
|
30
|
40
|
49
|
49
|
46
|
49
|
47
|
39
|
43
|
49
|
43
|
22
|
33
|
37
|
36
|
36
|
32
|
34
|
41
|
17
|
34
|
46
|
26
|
|
2024/09
|
37
|
42
|
47
|
34
|
30
|
19
|
16
|
21
|
19
|
34
|
46
|
52
|
33
|
42
|
28
|
27
|
28
|
22
|
36
|
22
|
24
|
15
|
17
|
21
|
19
|
31
|
28
|
23
|
29
|
19
|
|
|
2024/08
|
27
|
30
|
35
|
46
|
42
|
39
|
34
|
35
|
36
|
48
|
42
|
33
|
25
|
30
|
24
|
20
|
24
|
20
|
19
|
18
|
16
|
25
|
29
|
29
|
42
|
46
|
36
|
35
|
39
|
35
|
36
|
|
2024/07
|
19
|
20
|
21
|
21
|
20
|
18
|
14
|
18
|
15
|
20
|
22
|
28
|
24
|
25
|
21
|
19
|
19
|
17
|
18
|
25
|
24
|
31
|
37
|
33
|
20
|
12
|
15
|
19
|
20
|
21
|
14
|
|
2024/06
|
12
|
10
|
36
|
26
|
23
|
30
|
29
|
32
|
23
|
26
|
21
|
28
|
33
|
21
|
22
|
19
|
17
|
25
|
21
|
23
|
24
|
34
|
22
|
17
|
20
|
25
|
24
|
21
|
16
|
20
|
|
|
2024/05
|
27
|
24
|
32
|
42
|
26
|
36
|
55
|
50
|
51
|
50
|
49
|
35
|
40
|
38
|
47
|
57
|
58
|
56
|
44
|
20
|
14
|
13
|
26
|
22
|
32
|
18
|
16
|
25
|
34
|
48
|
36
|
|
2024/04
|
40
|
62
|
48
|
43
|
23
|
29
|
18
|
32
|
26
|
46
|
54
|
61
|
73
|
50
|
59
|
54
|
43
|
39
|
39
|
50
|
23
|
38
|
36
|
26
|
34
|
26
|
33
|
18
|
27
|
27
|
|
|
2024/03
|
12
|
29
|
48
|
44
|
65
|
43
|
38
|
62
|
61
|
54
|
36
|
35
|
70
|
67
|
56
|
72
|
62
|
47
|
50
|
62
|
67
|
70
|
70
|
46
|
44
|
43
|
47
|
53
|
55
|
60
|
41
|
|
2024/02
|
70
|
42
|
36
|
20
|
23
|
20
|
17
|
18
|
45
|
67
|
54
|
53
|
55
|
47
|
48
|
33
|
41
|
67
|
45
|
37
|
24
|
30
|
23
|
33
|
45
|
38
|
33
|
45
|
41
|
||
|
2024/01
|
78
|
82
|
41
|
49
|
67
|
76
|
68
|
98
|
69
|
48
|
79
|
94
|
82
|
55
|
74
|
90
|
58
|
57
|
70
|
32
|
32
|
24
|
19
|
33
|
53
|
68
|
79
|
82
|
67
|
52
|
76
|
|
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