Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
34
PM2.5
58
*
PM10
55
O3
0.5
CO
5
SO2
37
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 Dec
52
Good
Fri
20 Dec
56
Good
Sat
21 Dec
57
Good
Sun
22 Dec
56
Good
Mon
23 Dec
51
Good
Tue
24 Dec
53
Good
Wed
25 Dec
38
Excellent
Air quality in the last 12 months (Quannan)
|
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
|
|
2023/12
|
56
|
49
|
50
|
47
|
67
|
49
|
43
|
62
|
76
|
84
|
63
|
45
|
37
|
58
|
46
|
23
|
22
|
33
|
49
|
18
|
29
|
50
|
45
|
42
|
55
|
65
|
62
|
69
|
65
|
83
|
85
|
|
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