Air Quality
Excellent
No health implications.
12
PM2.5
17
PM10
25
O3
0.7
CO
5
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jan
117
Light
Fri
2 Jan
59
Good
Sat
3 Jan
73
Good
Sun
4 Jan
75
Good
Mon
5 Jan
98
Good
Tue
6 Jan
16
Excellent
Wed
7 Jan
21
Excellent
Air quality in the last 12 months (Yanfeng)
|
2025/11
|
47
|
42
|
26
|
28
|
30
|
26
|
45
|
12
|
10
|
17
|
39
|
54
|
43
|
47
|
52
|
60
|
61
|
27
|
34
|
44
|
53
|
63
|
76
|
62
|
54
|
65
|
76
|
86
|
81
|
80
|
|
|
2025/10
|
60
|
51
|
33
|
49
|
43
|
25
|
46
|
54
|
44
|
48
|
53
|
95
|
69
|
46
|
59
|
47
|
46
|
18
|
9
|
9
|
9
|
21
|
36
|
38
|
51
|
59
|
62
|
56
|
73
|
81
|
57
|
|
2025/09
|
17
|
21
|
28
|
34
|
40
|
33
|
34
|
31
|
18
|
21
|
19
|
21
|
25
|
34
|
38
|
41
|
32
|
33
|
29
|
21
|
24
|
20
|
25
|
11
|
14
|
22
|
38
|
49
|
61
|
49
|
|
|
2025/08
|
30
|
34
|
16
|
17
|
21
|
12
|
12
|
16
|
24
|
26
|
30
|
40
|
30
|
20
|
11
|
20
|
21
|
21
|
11
|
16
|
16
|
18
|
24
|
19
|
19
|
18
|
26
|
27
|
21
|
19
|
20
|
|
2025/07
|
17
|
17
|
21
|
27
|
38
|
44
|
51
|
39
|
37
|
26
|
26
|
31
|
31
|
37
|
28
|
30
|
31
|
51
|
41
|
43
|
32
|
10
|
12
|
21
|
19
|
24
|
18
|
20
|
23
|
20
|
22
|
|
2025/06
|
16
|
20
|
38
|
45
|
50
|
42
|
30
|
28
|
36
|
42
|
40
|
23
|
34
|
19
|
14
|
24
|
14
|
12
|
15
|
21
|
23
|
12
|
26
|
20
|
37
|
32
|
15
|
19
|
19
|
19
|
|
|
2025/05
|
53
|
60
|
64
|
56
|
41
|
51
|
66
|
46
|
30
|
50
|
55
|
73
|
60
|
48
|
66
|
27
|
31
|
27
|
28
|
21
|
21
|
24
|
24
|
53
|
51
|
50
|
51
|
16
|
19
|
31
|
15
|
|
2025/04
|
71
|
70
|
72
|
113
|
100
|
86
|
76
|
72
|
71
|
53
|
53
|
201
|
210
|
139
|
101
|
68
|
80
|
68
|
28
|
28
|
35
|
36
|
54
|
29
|
27
|
39
|
27
|
41
|
60
|
51
|
|
|
2025/03
|
34
|
34
|
14
|
23
|
37
|
45
|
57
|
50
|
48
|
43
|
52
|
43
|
51
|
23
|
20
|
45
|
44
|
41
|
46
|
53
|
64
|
64
|
81
|
80
|
80
|
71
|
72
|
58
|
47
|
21
|
46
|
|
2025/02
|
39
|
30
|
56
|
73
|
91
|
79
|
66
|
51
|
50
|
56
|
73
|
77
|
95
|
113
|
55
|
45
|
51
|
46
|
36
|
23
|
86
|
32
|
41
|
85
|
103
|
98
|
54
|
37
|
|||
|
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
|
|
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