Air Quality
Excellent
No health implications.
16
PM2.5
20
PM10
39
O3
0.6
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Apr
54
Good
Sat
25 Apr
59
Good
Sun
26 Apr
82
Good
Mon
27 Apr
54
Good
Tue
28 Apr
61
Good
Wed
29 Apr
46
Excellent
Thu
30 Apr
49
Excellent
Air quality in the last 12 months (Quannan)
|
2026/03
|
17
|
34
|
22
|
32
|
34
|
38
|
48
|
46
|
40
|
37
|
52
|
57
|
49
|
53
|
52
|
50
|
51
|
46
|
43
|
48
|
44
|
51
|
53
|
44
|
49
|
41
|
49
|
39
|
47
|
65
|
37
|
|
2026/02
|
25
|
43
|
51
|
61
|
62
|
59
|
32
|
41
|
41
|
53
|
47
|
50
|
54
|
43
|
34
|
43
|
61
|
45
|
42
|
46
|
53
|
59
|
55
|
64
|
38
|
34
|
31
|
13
|
|||
|
2026/01
|
33
|
19
|
38
|
51
|
43
|
33
|
41
|
52
|
56
|
57
|
61
|
64
|
63
|
67
|
76
|
80
|
73
|
85
|
78
|
40
|
35
|
41
|
38
|
48
|
51
|
66
|
52
|
39
|
49
|
54
|
31
|
|
2025/12
|
52
|
62
|
56
|
53
|
56
|
54
|
56
|
56
|
60
|
58
|
57
|
62
|
34
|
36
|
56
|
53
|
55
|
65
|
67
|
52
|
74
|
48
|
50
|
51
|
22
|
33
|
40
|
47
|
49
|
50
|
57
|
|
2025/11
|
31
|
48
|
38
|
15
|
17
|
29
|
42
|
45
|
46
|
23
|
31
|
16
|
17
|
33
|
47
|
53
|
53
|
42
|
24
|
40
|
42
|
56
|
55
|
57
|
44
|
71
|
62
|
74
|
80
|
61
|
|
|
2025/10
|
47
|
30
|
39
|
40
|
32
|
26
|
38
|
40
|
41
|
41
|
41
|
44
|
34
|
34
|
32
|
36
|
42
|
38
|
28
|
17
|
14
|
14
|
25
|
30
|
35
|
47
|
51
|
48
|
30
|
45
|
40
|
|
2025/09
|
38
|
29
|
32
|
36
|
36
|
31
|
18
|
13
|
15
|
22
|
24
|
31
|
32
|
37
|
37
|
31
|
29
|
22
|
22
|
13
|
22
|
21
|
21
|
15
|
21
|
25
|
34
|
36
|
40
|
50
|
|
|
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
|
|
|
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