Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
27
PM2.5
40
PM10
176
O3
0.5
CO
6
SO2
14
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
5 Sep
69
Good
Sat
6 Sep
69
Good
Sun
7 Sep
56
Good
Mon
8 Sep
54
Good
Tue
9 Sep
55
Good
Wed
10 Sep
55
Good
Thu
11 Sep
16
Excellent
Quannan Air quality rank
Air quality in the last 12 months (Quannan)
|
2025/08
|
28
|
28
|
22
|
17
|
16
|
22
|
33
|
36
|
28
|
25
|
21
|
31
|
28
|
12
|
20
|
28
|
33
|
23
|
23
|
19
|
28
|
20
|
27
|
24
|
26
|
18
|
23
|
28
|
27
|
29
|
37
|
|
2025/07
|
28
|
26
|
35
|
39
|
21
|
26
|
35
|
38
|
37
|
16
|
12
|
24
|
36
|
28
|
31
|
36
|
40
|
30
|
20
|
18
|
13
|
13
|
20
|
22
|
24
|
24
|
24
|
21
|
23
|
21
|
19
|
|
2025/06
|
36
|
24
|
14
|
28
|
38
|
39
|
35
|
41
|
27
|
33
|
34
|
27
|
24
|
19
|
17
|
25
|
19
|
26
|
24
|
15
|
20
|
21
|
25
|
25
|
24
|
18
|
21
|
21
|
23
|
25
|
|
|
2025/05
|
64
|
53
|
48
|
49
|
33
|
35
|
38
|
61
|
36
|
32
|
32
|
45
|
47
|
45
|
35
|
23
|
19
|
26
|
27
|
28
|
28
|
34
|
33
|
26
|
49
|
52
|
45
|
43
|
11
|
25
|
44
|
|
2025/04
|
24
|
45
|
53
|
64
|
52
|
56
|
61
|
70
|
95
|
64
|
52
|
60
|
150
|
102
|
92
|
81
|
68
|
63
|
46
|
42
|
46
|
38
|
32
|
35
|
25
|
23
|
40
|
45
|
49
|
62
|
|
|
2025/03
|
62
|
41
|
35
|
24
|
14
|
15
|
26
|
35
|
43
|
49
|
58
|
53
|
38
|
40
|
36
|
12
|
49
|
49
|
48
|
56
|
54
|
56
|
67
|
77
|
85
|
61
|
47
|
63
|
25
|
11
|
12
|
|
2025/02
|
51
|
25
|
17
|
32
|
56
|
61
|
20
|
48
|
43
|
39
|
49
|
53
|
50
|
51
|
56
|
68
|
47
|
57
|
39
|
42
|
24
|
22
|
22
|
35
|
52
|
71
|
81
|
66
|
|||
|
2025/01
|
70
|
72
|
70
|
56
|
70
|
72
|
67
|
69
|
66
|
59
|
50
|
50
|
61
|
60
|
72
|
83
|
64
|
59
|
57
|
59
|
65
|
71
|
72
|
52
|
43
|
25
|
23
|
41
|
128
|
56
|
49
|
|
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
|
|
|
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