Air Quality
Excellent
No health implications.
14
PM2.5
29
PM10
46
O3
0.4
CO
9
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
40
Excellent
Sat
26 Apr
48
Excellent
Sun
27 Apr
49
Excellent
Mon
28 Apr
46
Excellent
Tue
29 Apr
57
Good
Wed
30 Apr
52
Good
Thu
1 May
45
Excellent
Air quality in the last 12 months (Fengkai)
|
2025/02
|
40
|
26
|
17
|
28
|
40
|
56
|
27
|
49
|
51
|
59
|
62
|
56
|
50
|
72
|
88
|
58
|
40
|
47
|
63
|
65
|
26
|
39
|
19
|
34
|
77
|
94
|
79
|
64
|
|||
|
2025/01
|
85
|
82
|
73
|
85
|
101
|
94
|
82
|
82
|
81
|
46
|
55
|
74
|
76
|
102
|
73
|
81
|
73
|
81
|
84
|
76
|
75
|
67
|
60
|
47
|
41
|
25
|
38
|
43
|
93
|
52
|
42
|
|
2024/12
|
74
|
74
|
73
|
70
|
71
|
71
|
32
|
30
|
51
|
52
|
43
|
33
|
36
|
60
|
52
|
71
|
76
|
63
|
60
|
74
|
75
|
77
|
85
|
78
|
79
|
71
|
77
|
80
|
75
|
77
|
84
|
|
2024/11
|
49
|
57
|
58
|
54
|
70
|
62
|
57
|
66
|
69
|
65
|
65
|
68
|
62
|
58
|
45
|
47
|
47
|
21
|
23
|
20
|
31
|
26
|
32
|
41
|
37
|
26
|
38
|
55
|
59
|
62
|
|
|
2024/10
|
40
|
33
|
55
|
54
|
55
|
52
|
62
|
47
|
44
|
46
|
56
|
60
|
66
|
67
|
49
|
41
|
43
|
44
|
37
|
20
|
39
|
48
|
24
|
43
|
52
|
44
|
28
|
22
|
26
|
43
|
61
|
|
2024/09
|
46
|
51
|
35
|
45
|
48
|
31
|
17
|
21
|
30
|
29
|
41
|
51
|
47
|
38
|
33
|
44
|
38
|
34
|
51
|
44
|
42
|
21
|
25
|
26
|
26
|
44
|
53
|
58
|
51
|
59
|
|
|
2024/08
|
30
|
40
|
41
|
56
|
49
|
57
|
59
|
55
|
58
|
52
|
47
|
29
|
22
|
39
|
24
|
23
|
23
|
21
|
33
|
38
|
27
|
26
|
35
|
43
|
42
|
42
|
48
|
54
|
44
|
38
|
50
|
|
2024/07
|
34
|
36
|
25
|
28
|
27
|
30
|
34
|
33
|
36
|
29
|
29
|
25
|
28
|
34
|
39
|
34
|
33
|
21
|
30
|
40
|
35
|
31
|
30
|
38
|
34
|
41
|
30
|
20
|
16
|
23
|
24
|
|
2024/06
|
15
|
30
|
33
|
27
|
25
|
17
|
26
|
29
|
30
|
26
|
24
|
31
|
40
|
29
|
28
|
23
|
23
|
30
|
27
|
31
|
26
|
25
|
23
|
18
|
23
|
31
|
31
|
33
|
27
|
34
|
|
|
2024/05
|
23
|
26
|
26
|
28
|
24
|
44
|
31
|
41
|
39
|
52
|
41
|
28
|
52
|
59
|
67
|
66
|
57
|
47
|
31
|
17
|
16
|
33
|
50
|
36
|
35
|
31
|
30
|
30
|
37
|
47
|
25
|
|
2024/04
|
53
|
45
|
38
|
36
|
17
|
20
|
17
|
24
|
37
|
44
|
52
|
64
|
54
|
46
|
50
|
51
|
57
|
35
|
42
|
25
|
19
|
33
|
32
|
39
|
44
|
41
|
44
|
38
|
38
|
34
|
|
|
2024/03
|
43
|
45
|
42
|
30
|
41
|
39
|
53
|
45
|
54
|
18
|
22
|
33
|
54
|
30
|
35
|
46
|
56
|
49
|
23
|
65
|
71
|
50
|
48
|
50
|
50
|
37
|
60
|
53
|
59
|
57
|
64
|
|
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