Air Quality
Excellent
No health implications.
24
PM2.5
48
PM10
128
O3
0.4
CO
8
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
101
Light
Mon
5 May
99
Good
Tue
6 May
98
Good
Wed
7 May
111
Light
Thu
8 May
90
Good
Fri
9 May
97
Good
Sat
10 May
40
Excellent
Air quality in the last 12 months (Feidong)
|
2025/02
|
58
|
52
|
104
|
67
|
52
|
46
|
81
|
35
|
41
|
56
|
73
|
101
|
55
|
97
|
99
|
87
|
69
|
55
|
70
|
69
|
54
|
71
|
101
|
77
|
79
|
121
|
68
|
57
|
|||
|
2025/01
|
96
|
140
|
153
|
123
|
117
|
74
|
50
|
71
|
46
|
52
|
70
|
77
|
93
|
109
|
64
|
65
|
78
|
77
|
112
|
138
|
114
|
165
|
123
|
56
|
26
|
62
|
49
|
53
|
140
|
72
|
110
|
|
2024/12
|
56
|
78
|
86
|
51
|
72
|
114
|
116
|
43
|
49
|
57
|
92
|
68
|
89
|
73
|
60
|
60
|
72
|
90
|
53
|
73
|
86
|
60
|
68
|
76
|
98
|
123
|
80
|
90
|
72
|
76
|
100
|
|
2024/11
|
47
|
66
|
72
|
69
|
49
|
46
|
42
|
42
|
52
|
46
|
49
|
56
|
57
|
66
|
79
|
58
|
26
|
30
|
25
|
32
|
39
|
64
|
40
|
42
|
37
|
46
|
65
|
60
|
44
|
56
|
|
|
2024/10
|
28
|
40
|
25
|
30
|
33
|
14
|
10
|
34
|
41
|
61
|
68
|
67
|
66
|
51
|
57
|
58
|
36
|
18
|
31
|
35
|
43
|
37
|
45
|
47
|
40
|
34
|
51
|
76
|
63
|
42
|
40
|
|
2024/09
|
49
|
39
|
24
|
38
|
41
|
44
|
41
|
47
|
30
|
32
|
22
|
13
|
26
|
45
|
29
|
31
|
16
|
24
|
25
|
22
|
25
|
28
|
29
|
31
|
45
|
47
|
30
|
45
|
46
|
47
|
|
|
2024/08
|
19
|
23
|
26
|
30
|
33
|
33
|
31
|
34
|
43
|
37
|
59
|
60
|
41
|
25
|
23
|
23
|
37
|
39
|
42
|
23
|
36
|
37
|
38
|
44
|
47
|
45
|
21
|
17
|
23
|
31
|
46
|
|
2024/07
|
15
|
14
|
20
|
21
|
23
|
24
|
23
|
22
|
28
|
24
|
32
|
28
|
13
|
10
|
22
|
41
|
29
|
25
|
27
|
19
|
26
|
26
|
34
|
41
|
24
|
27
|
13
|
12
|
14
|
18
|
24
|
|
2024/06
|
45
|
39
|
41
|
46
|
42
|
24
|
33
|
46
|
46
|
20
|
27
|
40
|
38
|
47
|
55
|
43
|
34
|
38
|
25
|
29
|
23
|
19
|
25
|
32
|
25
|
44
|
27
|
10
|
9
|
10
|
|
|
2024/05
|
39
|
38
|
40
|
42
|
40
|
30
|
40
|
40
|
45
|
58
|
54
|
125
|
85
|
64
|
59
|
38
|
59
|
67
|
49
|
51
|
51
|
43
|
53
|
60
|
52
|
35
|
25
|
28
|
39
|
33
|
37
|
|
2024/04
|
80
|
25
|
46
|
49
|
46
|
47
|
47
|
36
|
50
|
65
|
61
|
69
|
61
|
61
|
53
|
60
|
55
|
56
|
49
|
44
|
51
|
56
|
78
|
77
|
66
|
68
|
63
|
36
|
19
|
43
|
|
|
2024/03
|
48
|
56
|
52
|
64
|
49
|
63
|
72
|
70
|
60
|
89
|
80
|
77
|
79
|
81
|
91
|
98
|
115
|
60
|
90
|
104
|
68
|
59
|
60
|
56
|
36
|
48
|
75
|
54
|
59
|
50
|
101
|
|
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