Air Quality
Excellent
No health implications.
5
PM2.5
11
PM10
50
O3
0.8
CO
8
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Apr
53
Good
Thu
16 Apr
46
Excellent
Fri
17 Apr
78
Good
Sat
18 Apr
82
Good
Sun
19 Apr
81
Good
Mon
20 Apr
66
Good
Tue
21 Apr
32
Excellent
Air quality in the last 12 months (Yanfeng)
|
2026/03
|
14
|
23
|
42
|
74
|
52
|
55
|
70
|
32
|
29
|
62
|
53
|
57
|
57
|
61
|
112
|
30
|
40
|
21
|
32
|
26
|
42
|
36
|
29
|
27
|
77
|
38
|
41
|
41
|
46
|
26
|
29
|
|
2026/02
|
47
|
57
|
61
|
86
|
102
|
71
|
73
|
58
|
55
|
63
|
70
|
79
|
69
|
65
|
77
|
22
|
96
|
75
|
53
|
49
|
66
|
74
|
58
|
36
|
50
|
31
|
20
|
25
|
|||
|
2026/01
|
37
|
59
|
69
|
70
|
62
|
86
|
81
|
69
|
71
|
99
|
113
|
101
|
125
|
95
|
103
|
126
|
101
|
110
|
37
|
20
|
53
|
66
|
68
|
46
|
65
|
65
|
134
|
83
|
54
|
30
|
40
|
|
2025/12
|
84
|
115
|
87
|
69
|
84
|
90
|
108
|
114
|
124
|
137
|
114
|
124
|
27
|
50
|
55
|
65
|
76
|
168
|
101
|
73
|
92
|
97
|
51
|
45
|
58
|
61
|
72
|
88
|
104
|
132
|
168
|
|
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
|
|
|
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