Air Quality
Excellent
No health implications.
7
PM2.5
9
PM10
50
O3
0.6
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Mar
47
Excellent
Tue
4 Mar
51
Good
Wed
5 Mar
50
Excellent
Thu
6 Mar
61
Good
Fri
7 Mar
63
Good
Sat
8 Mar
68
Good
Sun
9 Mar
46
Excellent
Air quality in the last 12 months (Yanfeng)
|
2025/01
|
148
|
129
|
156
|
178
|
150
|
101
|
90
|
82
|
59
|
61
|
70
|
90
|
87
|
83
|
88
|
69
|
85
|
85
|
117
|
101
|
109
|
109
|
172
|
247
|
34
|
32
|
59
|
70
|
207
|
145
|
61
|
|
2024/12
|
75
|
81
|
87
|
145
|
45
|
54
|
46
|
68
|
102
|
74
|
56
|
81
|
96
|
61
|
59
|
78
|
86
|
78
|
94
|
119
|
116
|
101
|
86
|
100
|
133
|
121
|
132
|
116
|
94
|
122
|
121
|
|
2024/11
|
59
|
91
|
75
|
76
|
85
|
59
|
59
|
47
|
61
|
74
|
54
|
63
|
59
|
70
|
62
|
66
|
20
|
12
|
15
|
33
|
48
|
47
|
59
|
63
|
32
|
25
|
34
|
44
|
55
|
64
|
|
|
2024/10
|
29
|
48
|
55
|
52
|
53
|
71
|
68
|
50
|
51
|
67
|
72
|
79
|
154
|
69
|
36
|
38
|
52
|
44
|
26
|
26
|
40
|
22
|
34
|
49
|
53
|
63
|
51
|
61
|
64
|
51
|
55
|
|
2024/09
|
56
|
57
|
59
|
52
|
52
|
48
|
37
|
36
|
44
|
39
|
44
|
40
|
40
|
45
|
48
|
46
|
52
|
50
|
48
|
45
|
35
|
30
|
38
|
44
|
65
|
67
|
58
|
59
|
53
|
50
|
|
|
2024/08
|
16
|
20
|
23
|
30
|
33
|
35
|
30
|
32
|
33
|
36
|
32
|
33
|
28
|
37
|
40
|
38
|
52
|
69
|
38
|
48
|
50
|
26
|
27
|
25
|
43
|
42
|
48
|
25
|
37
|
42
|
60
|
|
2024/07
|
26
|
19
|
22
|
17
|
19
|
21
|
24
|
20
|
23
|
25
|
24
|
28
|
23
|
20
|
28
|
21
|
16
|
17
|
23
|
22
|
23
|
25
|
25
|
33
|
43
|
33
|
23
|
17
|
19
|
14
|
16
|
|
2024/06
|
21
|
25
|
37
|
18
|
21
|
31
|
39
|
37
|
39
|
27
|
25
|
20
|
16
|
20
|
18
|
23
|
13
|
16
|
19
|
24
|
23
|
23
|
25
|
22
|
8
|
25
|
31
|
26
|
22
|
24
|
|
|
2024/05
|
23
|
36
|
33
|
16
|
38
|
68
|
102
|
91
|
71
|
85
|
33
|
73
|
87
|
76
|
68
|
68
|
63
|
51
|
27
|
19
|
40
|
41
|
43
|
41
|
32
|
26
|
21
|
37
|
27
|
17
|
21
|
|
2024/04
|
39
|
50
|
27
|
26
|
25
|
31
|
40
|
46
|
51
|
40
|
51
|
47
|
47
|
58
|
56
|
46
|
25
|
40
|
28
|
28
|
39
|
58
|
41
|
49
|
31
|
32
|
39
|
56
|
48
|
13
|
|
|
2024/03
|
94
|
71
|
58
|
48
|
42
|
111
|
83
|
73
|
58
|
67
|
50
|
55
|
48
|
40
|
46
|
36
|
44
|
18
|
51
|
66
|
78
|
47
|
28
|
34
|
30
|
28
|
42
|
31
|
41
|
47
|
34
|
|
2024/02
|
36
|
19
|
21
|
36
|
75
|
32
|
57
|
105
|
120
|
176
|
121
|
140
|
45
|
46
|
56
|
48
|
42
|
29
|
49
|
52
|
14
|
26
|
34
|
41
|
74
|
52
|
84
|
46
|
63
|
||
|
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