Air Quality
Excellent
No health implications.
23
PM2.5
32
PM10
11
O3
1.4
CO
6
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Feb
40
Excellent
Tue
7 Feb
37
Excellent
Wed
8 Feb
39
Excellent
Thu
9 Feb
33
Excellent
Fri
10 Feb
38
Excellent
Sat
11 Feb
39
Excellent
Sun
12 Feb
43
Excellent
Air quality in the last 12 months (Fengkai)
|
2023/01
|
45
|
52
|
54
|
58
|
65
|
65
|
68
|
61
|
19
|
22
|
22
|
17
|
21
|
33
|
16
|
24
|
33
|
40
|
50
|
59
|
56
|
82
|
84
|
56
|
62
|
58
|
46
|
59
|
58
|
51
|
55
|
|
2022/12
|
14
|
15
|
28
|
24
|
20
|
24
|
34
|
37
|
43
|
59
|
54
|
82
|
69
|
69
|
67
|
56
|
68
|
47
|
57
|
68
|
59
|
72
|
64
|
71
|
60
|
60
|
69
|
85
|
56
|
38
|
44
|
|
2022/11
|
47
|
49
|
48
|
27
|
22
|
26
|
44
|
44
|
40
|
57
|
57
|
65
|
67
|
68
|
66
|
63
|
48
|
48
|
51
|
36
|
52
|
41
|
12
|
11
|
14
|
14
|
27
|
37
|
42
|
14
|
|
|
2022/10
|
25
|
38
|
45
|
54
|
63
|
50
|
45
|
34
|
45
|
36
|
47
|
62
|
60
|
70
|
67
|
68
|
63
|
61
|
58
|
68
|
84
|
80
|
81
|
84
|
87
|
68
|
85
|
60
|
40
|
36
|
48
|
|
2022/09
|
32
|
33
|
43
|
56
|
60
|
66
|
63
|
41
|
21
|
40
|
50
|
57
|
70
|
66
|
76
|
83
|
84
|
75
|
63
|
59
|
60
|
50
|
54
|
58
|
70
|
75
|
73
|
64
|
57
|
32
|
|
|
2022/08
|
56
|
52
|
52
|
31
|
19
|
25
|
38
|
40
|
21
|
14
|
17
|
21
|
27
|
34
|
54
|
48
|
40
|
36
|
31
|
25
|
21
|
34
|
46
|
53
|
21
|
31
|
38
|
53
|
49
|
56
|
48
|
|
2022/07
|
24
|
15
|
14
|
18
|
29
|
24
|
17
|
27
|
35
|
40
|
39
|
35
|
42
|
52
|
48
|
50
|
47
|
40
|
31
|
28
|
28
|
42
|
51
|
55
|
59
|
60
|
59
|
57
|
54
|
60
|
53
|
|
2022/06
|
35
|
38
|
31
|
33
|
39
|
43
|
34
|
21
|
22
|
34
|
20
|
28
|
37
|
22
|
22
|
28
|
31
|
32
|
29
|
29
|
36
|
34
|
36
|
43
|
46
|
35
|
34
|
37
|
35
|
44
|
|
|
2022/05
|
18
|
28
|
49
|
60
|
72
|
79
|
71
|
45
|
53
|
42
|
17
|
17
|
16
|
18
|
20
|
22
|
41
|
61
|
64
|
66
|
57
|
31
|
28
|
28
|
38
|
33
|
35
|
30
|
34
|
40
|
42
|
|
2022/04
|
20
|
27
|
44
|
59
|
75
|
103
|
83
|
73
|
80
|
72
|
70
|
64
|
53
|
36
|
54
|
28
|
15
|
13
|
20
|
41
|
62
|
51
|
30
|
28
|
32
|
40
|
41
|
41
|
45
|
33
|
|
|
2022/03
|
71
|
62
|
68
|
53
|
75
|
56
|
33
|
65
|
54
|
58
|
68
|
56
|
41
|
61
|
80
|
57
|
54
|
42
|
62
|
38
|
40
|
35
|
13
|
13
|
30
|
39
|
27
|
20
|
37
|
38
|
46
|
|
2022/02
|
19
|
19
|
14
|
28
|
34
|
30
|
17
|
13
|
11
|
12
|
22
|
18
|
18
|
21
|
38
|
40
|
30
|
12
|
12
|
14
|
18
|
15
|
18
|
28
|
42
|
60
|
74
|
67
|
|||
|
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