Air Quality
Excellent
No health implications.
5
PM2.5
12
PM10
27
O3
0.4
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Jun
57
Good
Wed
25 Jun
89
Good
Thu
26 Jun
88
Good
Fri
27 Jun
79
Good
Sat
28 Jun
55
Good
Sun
29 Jun
44
Excellent
Mon
30 Jun
33
Excellent
Air quality in the last 12 months (Longyou)
|
2025/05
|
48
|
49
|
54
|
50
|
33
|
58
|
109
|
56
|
21
|
42
|
42
|
46
|
43
|
44
|
69
|
53
|
27
|
50
|
48
|
25
|
17
|
31
|
14
|
33
|
63
|
68
|
65
|
41
|
27
|
40
|
44
|
|
2025/04
|
44
|
45
|
74
|
69
|
60
|
61
|
63
|
57
|
65
|
44
|
52
|
94
|
158
|
96
|
59
|
53
|
60
|
58
|
60
|
58
|
66
|
19
|
47
|
38
|
29
|
44
|
40
|
37
|
56
|
55
|
|
|
2025/03
|
51
|
51
|
42
|
14
|
38
|
36
|
59
|
60
|
82
|
101
|
103
|
73
|
16
|
34
|
16
|
34
|
36
|
44
|
54
|
47
|
46
|
47
|
51
|
59
|
61
|
78
|
73
|
61
|
40
|
53
|
44
|
|
2025/02
|
14
|
22
|
62
|
53
|
38
|
56
|
62
|
45
|
38
|
51
|
62
|
68
|
125
|
114
|
99
|
41
|
63
|
33
|
52
|
23
|
20
|
30
|
44
|
73
|
104
|
81
|
66
|
47
|
|||
|
2025/01
|
110
|
93
|
95
|
90
|
88
|
88
|
85
|
108
|
78
|
40
|
57
|
64
|
70
|
74
|
90
|
54
|
63
|
73
|
60
|
71
|
98
|
82
|
78
|
65
|
48
|
25
|
38
|
59
|
145
|
60
|
52
|
|
2024/12
|
57
|
65
|
95
|
104
|
57
|
54
|
112
|
74
|
54
|
68
|
25
|
76
|
65
|
87
|
68
|
57
|
71
|
75
|
46
|
58
|
76
|
72
|
74
|
78
|
92
|
130
|
150
|
92
|
75
|
83
|
90
|
|
2024/11
|
13
|
28
|
48
|
83
|
65
|
51
|
37
|
44
|
51
|
40
|
45
|
59
|
47
|
57
|
27
|
24
|
24
|
27
|
38
|
42
|
54
|
62
|
94
|
46
|
35
|
29
|
47
|
50
|
54
|
53
|
|
|
2024/10
|
22
|
26
|
32
|
35
|
43
|
25
|
19
|
20
|
46
|
47
|
68
|
63
|
50
|
46
|
56
|
18
|
28
|
36
|
23
|
28
|
50
|
51
|
36
|
48
|
43
|
32
|
19
|
30
|
75
|
50
|
44
|
|
2024/09
|
32
|
41
|
48
|
36
|
29
|
31
|
41
|
31
|
23
|
42
|
26
|
33
|
24
|
33
|
37
|
27
|
26
|
24
|
26
|
33
|
18
|
23
|
24
|
31
|
36
|
52
|
26
|
36
|
46
|
39
|
|
|
2024/08
|
22
|
23
|
35
|
33
|
28
|
33
|
35
|
37
|
36
|
35
|
37
|
23
|
19
|
27
|
30
|
43
|
41
|
36
|
25
|
18
|
18
|
33
|
38
|
44
|
49
|
51
|
49
|
24
|
35
|
27
|
29
|
|
2024/07
|
33
|
25
|
23
|
27
|
29
|
30
|
31
|
26
|
31
|
31
|
33
|
30
|
34
|
25
|
33
|
28
|
31
|
27
|
26
|
29
|
30
|
23
|
27
|
22
|
18
|
15
|
10
|
17
|
16
|
17
|
20
|
|
2024/06
|
10
|
17
|
31
|
44
|
37
|
17
|
23
|
30
|
48
|
24
|
19
|
20
|
30
|
24
|
24
|
23
|
15
|
28
|
30
|
30
|
28
|
27
|
35
|
28
|
14
|
25
|
18
|
34
|
23
|
27
|
|
|
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