Air Quality
Excellent
No health implications.
14
PM2.5
21
PM10
43
O3
0.8
CO
8
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Apr
46
Excellent
Wed
22 Apr
42
Excellent
Thu
23 Apr
52
Good
Fri
24 Apr
53
Good
Sat
25 Apr
61
Good
Sun
26 Apr
60
Good
Mon
27 Apr
47
Excellent
Air quality in the last 12 months (Yongfeng)
|
2026/03
|
16
|
19
|
30
|
57
|
60
|
58
|
59
|
65
|
61
|
55
|
51
|
54
|
46
|
53
|
67
|
93
|
73
|
39
|
23
|
32
|
46
|
41
|
30
|
23
|
38
|
31
|
33
|
48
|
58
|
31
|
27
|
|
2026/02
|
35
|
44
|
58
|
72
|
78
|
55
|
32
|
46
|
59
|
64
|
60
|
57
|
50
|
42
|
54
|
34
|
65
|
60
|
50
|
35
|
35
|
54
|
56
|
26
|
26
|
28
|
19
|
25
|
|||
|
2026/01
|
32
|
31
|
49
|
59
|
41
|
50
|
47
|
50
|
52
|
56
|
60
|
66
|
69
|
59
|
63
|
77
|
75
|
120
|
96
|
25
|
39
|
48
|
62
|
61
|
68
|
63
|
42
|
44
|
57
|
50
|
20
|
|
2025/12
|
61
|
81
|
63
|
59
|
63
|
70
|
79
|
72
|
93
|
92
|
88
|
89
|
36
|
41
|
45
|
50
|
59
|
97
|
69
|
68
|
81
|
52
|
58
|
27
|
39
|
55
|
62
|
72
|
63
|
65
|
96
|
|
2025/11
|
49
|
53
|
53
|
40
|
31
|
40
|
47
|
27
|
20
|
25
|
54
|
33
|
36
|
42
|
52
|
60
|
63
|
27
|
32
|
39
|
49
|
55
|
62
|
62
|
67
|
70
|
66
|
71
|
57
|
57
|
|
|
2025/10
|
44
|
41
|
35
|
47
|
33
|
24
|
42
|
44
|
46
|
47
|
44
|
43
|
58
|
56
|
46
|
54
|
49
|
52
|
23
|
26
|
33
|
30
|
41
|
42
|
52
|
67
|
56
|
68
|
61
|
80
|
50
|
|
2025/09
|
25
|
25
|
23
|
30
|
29
|
34
|
33
|
22
|
18
|
19
|
21
|
26
|
23
|
28
|
31
|
29
|
33
|
33
|
31
|
33
|
35
|
42
|
36
|
35
|
29
|
36
|
42
|
42
|
45
|
44
|
|
|
2025/08
|
32
|
33
|
22
|
17
|
19
|
14
|
16
|
19
|
28
|
33
|
33
|
36
|
28
|
23
|
15
|
24
|
23
|
22
|
16
|
16
|
17
|
25
|
32
|
21
|
19
|
29
|
27
|
22
|
25
|
27
|
32
|
|
2025/07
|
21
|
23
|
31
|
38
|
32
|
39
|
47
|
44
|
29
|
25
|
28
|
20
|
23
|
25
|
29
|
28
|
37
|
39
|
30
|
19
|
19
|
15
|
26
|
24
|
26
|
30
|
21
|
24
|
25
|
25
|
30
|
|
2025/06
|
22
|
18
|
27
|
33
|
33
|
30
|
32
|
25
|
26
|
30
|
24
|
26
|
36
|
19
|
17
|
22
|
15
|
16
|
19
|
15
|
17
|
17
|
22
|
23
|
31
|
30
|
16
|
19
|
21
|
22
|
|
|
2025/05
|
49
|
51
|
53
|
48
|
25
|
34
|
56
|
37
|
23
|
42
|
36
|
38
|
37
|
37
|
39
|
21
|
26
|
20
|
22
|
20
|
22
|
26
|
22
|
51
|
57
|
54
|
51
|
29
|
27
|
26
|
25
|
|
2025/04
|
48
|
71
|
54
|
62
|
58
|
59
|
57
|
60
|
59
|
50
|
42
|
127
|
149
|
109
|
69
|
54
|
66
|
60
|
24
|
23
|
33
|
22
|
35
|
37
|
28
|
25
|
20
|
38
|
53
|
52
|
|
|
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