Air Quality
Excellent
No health implications.
19
PM2.5
35
PM10
22
O3
0.5
CO
4
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
94
Good
Wed
16 Jul
87
Good
Thu
17 Jul
87
Good
Fri
18 Jul
69
Good
Sat
19 Jul
55
Good
Sun
20 Jul
16
Excellent
Mon
21 Jul
37
Excellent
Air quality in the last 12 months (Longyou)
|
2025/06
|
39
|
21
|
19
|
40
|
33
|
37
|
41
|
52
|
31
|
27
|
18
|
23
|
18
|
22
|
12
|
26
|
38
|
24
|
30
|
25
|
25
|
31
|
15
|
15
|
28
|
21
|
27
|
21
|
27
|
27
|
|
|
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
|
|
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