Air Quality
Excellent
No health implications.
22
PM2.5
34
PM10
13
O3
0.4
CO
4
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Apr
42
Excellent
Mon
28 Apr
50
Excellent
Tue
29 Apr
51
Good
Wed
30 Apr
65
Good
Thu
1 May
75
Good
Fri
2 May
44
Excellent
Sat
3 May
40
Excellent
Air quality in the last 12 months (Yilong)
|
2025/02
|
65
|
47
|
39
|
51
|
47
|
34
|
35
|
36
|
52
|
61
|
70
|
65
|
47
|
47
|
51
|
62
|
58
|
53
|
60
|
50
|
41
|
46
|
34
|
42
|
46
|
66
|
69
|
67
|
|||
|
2025/01
|
114
|
131
|
156
|
99
|
56
|
83
|
78
|
56
|
66
|
63
|
56
|
72
|
82
|
92
|
83
|
68
|
87
|
84
|
107
|
110
|
117
|
159
|
191
|
93
|
24
|
66
|
70
|
79
|
218
|
141
|
83
|
|
2024/12
|
68
|
76
|
88
|
58
|
32
|
29
|
33
|
36
|
40
|
56
|
54
|
57
|
46
|
54
|
74
|
85
|
99
|
121
|
101
|
81
|
92
|
89
|
81
|
77
|
90
|
99
|
88
|
64
|
97
|
112
|
121
|
|
2024/11
|
27
|
27
|
42
|
39
|
32
|
43
|
56
|
65
|
34
|
35
|
38
|
39
|
39
|
37
|
39
|
21
|
12
|
11
|
16
|
24
|
31
|
41
|
40
|
31
|
17
|
38
|
44
|
54
|
67
|
75
|
|
|
2024/10
|
23
|
35
|
37
|
41
|
52
|
50
|
42
|
45
|
43
|
51
|
44
|
31
|
31
|
35
|
37
|
47
|
32
|
30
|
35
|
14
|
16
|
28
|
40
|
46
|
44
|
42
|
26
|
45
|
53
|
60
|
36
|
|
2024/09
|
48
|
51
|
41
|
40
|
37
|
42
|
35
|
34
|
32
|
26
|
27
|
35
|
41
|
40
|
42
|
36
|
42
|
44
|
46
|
41
|
21
|
27
|
34
|
50
|
55
|
69
|
79
|
62
|
40
|
13
|
|
|
2024/08
|
34
|
35
|
30
|
20
|
20
|
30
|
32
|
36
|
29
|
38
|
59
|
57
|
55
|
50
|
33
|
32
|
38
|
36
|
45
|
50
|
47
|
52
|
49
|
48
|
44
|
41
|
45
|
37
|
36
|
42
|
40
|
|
2024/07
|
22
|
30
|
28
|
26
|
17
|
27
|
27
|
22
|
19
|
15
|
15
|
25
|
23
|
18
|
24
|
29
|
28
|
21
|
22
|
20
|
27
|
29
|
28
|
39
|
60
|
55
|
44
|
39
|
32
|
25
|
31
|
|
2024/06
|
52
|
27
|
32
|
21
|
28
|
31
|
31
|
23
|
26
|
34
|
37
|
31
|
42
|
44
|
49
|
29
|
24
|
25
|
23
|
22
|
17
|
30
|
45
|
48
|
30
|
27
|
21
|
22
|
33
|
40
|
|
|
2024/05
|
24
|
20
|
21
|
26
|
53
|
82
|
104
|
68
|
58
|
43
|
59
|
71
|
60
|
63
|
55
|
57
|
61
|
73
|
27
|
22
|
31
|
38
|
44
|
44
|
40
|
21
|
37
|
36
|
22
|
33
|
50
|
|
2024/04
|
38
|
37
|
51
|
44
|
24
|
26
|
27
|
41
|
33
|
27
|
33
|
36
|
46
|
44
|
58
|
40
|
36
|
37
|
53
|
84
|
72
|
46
|
40
|
41
|
43
|
50
|
50
|
40
|
28
|
14
|
|
|
2024/03
|
58
|
58
|
64
|
74
|
74
|
57
|
54
|
69
|
54
|
60
|
69
|
64
|
49
|
55
|
62
|
65
|
59
|
30
|
53
|
61
|
65
|
66
|
69
|
40
|
25
|
40
|
38
|
48
|
53
|
51
|
43
|
|
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