Air Quality
Excellent
No health implications.
9
PM2.5
17
PM10
66
O3
0.5
CO
8
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
52
Good
Mon
5 May
42
Excellent
Tue
6 May
53
Good
Wed
7 May
48
Excellent
Thu
8 May
47
Excellent
Fri
9 May
41
Excellent
Sat
10 May
48
Excellent
Air quality in the last 12 months (Longxu)
|
2025/02
|
42
|
25
|
15
|
26
|
42
|
54
|
25
|
52
|
55
|
60
|
67
|
56
|
54
|
75
|
88
|
52
|
42
|
45
|
63
|
67
|
26
|
36
|
18
|
34
|
70
|
86
|
67
|
62
|
|||
|
2025/01
|
104
|
85
|
82
|
90
|
98
|
106
|
94
|
84
|
85
|
45
|
56
|
70
|
73
|
88
|
95
|
84
|
79
|
76
|
79
|
79
|
80
|
82
|
71
|
51
|
44
|
24
|
44
|
44
|
114
|
64
|
45
|
|
2024/12
|
69
|
80
|
78
|
75
|
78
|
81
|
42
|
43
|
57
|
58
|
56
|
50
|
57
|
79
|
71
|
69
|
59
|
57
|
58
|
75
|
69
|
79
|
86
|
80
|
81
|
79
|
83
|
86
|
84
|
89
|
98
|
|
2024/11
|
55
|
64
|
76
|
65
|
72
|
70
|
64
|
61
|
66
|
72
|
72
|
69
|
64
|
59
|
52
|
48
|
50
|
34
|
31
|
37
|
36
|
34
|
47
|
53
|
46
|
35
|
47
|
61
|
64
|
61
|
|
|
2024/10
|
41
|
37
|
53
|
56
|
54
|
59
|
66
|
57
|
48
|
53
|
63
|
63
|
70
|
74
|
57
|
42
|
42
|
46
|
43
|
28
|
44
|
46
|
31
|
46
|
55
|
54
|
38
|
34
|
35
|
53
|
61
|
|
2024/09
|
36
|
52
|
43
|
45
|
50
|
34
|
24
|
24
|
34
|
30
|
38
|
55
|
51
|
66
|
41
|
46
|
42
|
43
|
51
|
50
|
51
|
27
|
34
|
33
|
35
|
52
|
52
|
65
|
63
|
64
|
|
|
2024/08
|
29
|
32
|
42
|
53
|
46
|
54
|
56
|
50
|
55
|
48
|
42
|
30
|
24
|
40
|
25
|
29
|
26
|
23
|
37
|
47
|
35
|
25
|
34
|
44
|
41
|
48
|
50
|
56
|
48
|
41
|
46
|
|
2024/07
|
34
|
35
|
23
|
23
|
27
|
29
|
32
|
31
|
34
|
26
|
34
|
27
|
30
|
34
|
39
|
33
|
32
|
20
|
31
|
41
|
31
|
31
|
27
|
39
|
40
|
51
|
34
|
19
|
18
|
22
|
23
|
|
2024/06
|
24
|
40
|
33
|
26
|
21
|
20
|
27
|
29
|
32
|
30
|
25
|
29
|
42
|
30
|
33
|
29
|
26
|
34
|
29
|
31
|
22
|
25
|
26
|
15
|
16
|
28
|
30
|
38
|
26
|
34
|
|
|
2024/05
|
24
|
29
|
34
|
37
|
26
|
40
|
34
|
38
|
43
|
56
|
41
|
33
|
54
|
57
|
70
|
69
|
58
|
54
|
38
|
25
|
21
|
32
|
42
|
40
|
32
|
28
|
29
|
30
|
37
|
42
|
35
|
|
2024/04
|
60
|
48
|
39
|
41
|
22
|
21
|
20
|
26
|
39
|
48
|
55
|
69
|
56
|
50
|
54
|
56
|
62
|
42
|
47
|
32
|
23
|
36
|
31
|
41
|
50
|
39
|
50
|
43
|
41
|
35
|
|
|
2024/03
|
46
|
56
|
49
|
37
|
52
|
46
|
61
|
57
|
61
|
23
|
25
|
41
|
56
|
29
|
38
|
49
|
61
|
57
|
28
|
69
|
76
|
51
|
54
|
66
|
60
|
44
|
65
|
58
|
62
|
63
|
79
|
|
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