Air Quality
Excellent
No health implications.
8
PM2.5
12
PM10
60
O3
0.4
CO
6
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Mar
54
Good
Wed
5 Mar
47
Excellent
Thu
6 Mar
45
Excellent
Fri
7 Mar
53
Good
Sat
8 Mar
66
Good
Sun
9 Mar
67
Good
Mon
10 Mar
49
Excellent
Air quality in the last 12 months (Yilong)
|
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
|
|
2024/02
|
101
|
49
|
29
|
31
|
43
|
55
|
53
|
63
|
86
|
170
|
100
|
83
|
89
|
80
|
31
|
39
|
47
|
58
|
310
|
263
|
22
|
20
|
28
|
43
|
47
|
54
|
62
|
67
|
59
|
||
|
1
|
2
|
3
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4
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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