Air Quality
Excellent
No health implications.
18
PM2.5
31
PM10
116
O3
0.5
CO
10
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 May
100
Good
Mon
26 May
107
Light
Tue
27 May
102
Light
Wed
28 May
105
Light
Thu
29 May
103
Light
Fri
30 May
94
Good
Sat
31 May
27
Excellent
Air quality in the last 12 months (Yandu)
|
2025/04
|
58
|
62
|
40
|
52
|
60
|
55
|
78
|
80
|
81
|
50
|
66
|
81
|
75
|
56
|
47
|
55
|
65
|
78
|
67
|
32
|
41
|
31
|
47
|
57
|
53
|
46
|
39
|
38
|
55
|
61
|
|
|
2025/03
|
64
|
22
|
26
|
11
|
48
|
43
|
59
|
77
|
85
|
39
|
64
|
89
|
59
|
47
|
34
|
44
|
39
|
40
|
40
|
79
|
52
|
53
|
63
|
70
|
98
|
96
|
107
|
61
|
77
|
42
|
43
|
|
2025/02
|
36
|
77
|
73
|
38
|
39
|
34
|
47
|
35
|
47
|
47
|
45
|
95
|
60
|
55
|
95
|
126
|
45
|
44
|
36
|
29
|
29
|
48
|
40
|
44
|
91
|
119
|
155
|
113
|
|||
|
2025/01
|
79
|
62
|
46
|
36
|
95
|
95
|
51
|
49
|
33
|
41
|
69
|
88
|
81
|
112
|
40
|
56
|
79
|
95
|
122
|
122
|
97
|
38
|
33
|
22
|
41
|
70
|
45
|
60
|
116
|
56
|
43
|
|
2024/12
|
79
|
79
|
42
|
46
|
128
|
163
|
119
|
32
|
50
|
55
|
59
|
37
|
66
|
50
|
67
|
66
|
81
|
40
|
38
|
59
|
85
|
52
|
55
|
74
|
93
|
83
|
56
|
58
|
65
|
93
|
59
|
|
2024/11
|
25
|
60
|
53
|
50
|
30
|
29
|
33
|
23
|
30
|
39
|
40
|
67
|
46
|
46
|
32
|
38
|
23
|
25
|
23
|
33
|
69
|
50
|
19
|
24
|
25
|
33
|
50
|
62
|
49
|
54
|
|
|
2024/10
|
18
|
21
|
23
|
20
|
18
|
14
|
21
|
32
|
33
|
54
|
76
|
81
|
27
|
39
|
67
|
44
|
25
|
28
|
26
|
27
|
16
|
42
|
33
|
32
|
32
|
24
|
45
|
25
|
34
|
37
|
31
|
|
2024/09
|
37
|
32
|
16
|
18
|
34
|
31
|
16
|
20
|
21
|
21
|
14
|
35
|
20
|
26
|
28
|
23
|
19
|
17
|
19
|
12
|
24
|
26
|
25
|
26
|
26
|
22
|
30
|
21
|
29
|
33
|
|
|
2024/08
|
28
|
17
|
32
|
44
|
32
|
23
|
38
|
30
|
26
|
43
|
86
|
59
|
47
|
24
|
18
|
24
|
24
|
19
|
14
|
21
|
21
|
43
|
39
|
36
|
21
|
21
|
22
|
21
|
17
|
23
|
23
|
|
2024/07
|
35
|
36
|
42
|
28
|
28
|
31
|
30
|
30
|
33
|
60
|
73
|
50
|
10
|
13
|
17
|
78
|
54
|
20
|
29
|
45
|
23
|
42
|
45
|
23
|
21
|
26
|
26
|
20
|
23
|
35
|
33
|
|
2024/06
|
24
|
35
|
48
|
30
|
28
|
26
|
28
|
49
|
59
|
58
|
33
|
31
|
36
|
41
|
31
|
29
|
26
|
28
|
20
|
19
|
29
|
26
|
48
|
58
|
51
|
48
|
16
|
37
|
11
|
32
|
|
|
2024/05
|
34
|
35
|
31
|
38
|
25
|
57
|
58
|
43
|
40
|
47
|
66
|
103
|
90
|
75
|
44
|
41
|
54
|
47
|
26
|
26
|
18
|
30
|
33
|
32
|
24
|
50
|
22
|
31
|
25
|
29
|
37
|
|
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