Air Quality
Excellent
No health implications.
19
PM2.5
26
PM10
61
O3
0.5
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Oct
44
Excellent
Mon
6 Oct
39
Excellent
Tue
7 Oct
51
Good
Wed
8 Oct
56
Good
Thu
9 Oct
56
Good
Fri
10 Oct
20
Excellent
Sat
11 Oct
49
Excellent
Air quality in the last 12 months (Longxu)
|
2025/08
|
24
|
25
|
22
|
32
|
21
|
21
|
22
|
24
|
39
|
47
|
44
|
45
|
41
|
43
|
12
|
25
|
26
|
12
|
17
|
18
|
23
|
25
|
40
|
28
|
26
|
30
|
47
|
27
|
26
|
23
|
29
|
|
2025/07
|
19
|
26
|
28
|
44
|
49
|
33
|
42
|
35
|
38
|
33
|
33
|
28
|
35
|
42
|
37
|
39
|
38
|
47
|
29
|
26
|
12
|
13
|
14
|
21
|
42
|
44
|
48
|
50
|
39
|
34
|
27
|
|
2025/06
|
37
|
35
|
18
|
32
|
37
|
33
|
34
|
26
|
42
|
21
|
22
|
16
|
14
|
16
|
20
|
20
|
17
|
20
|
21
|
20
|
19
|
19
|
27
|
29
|
28
|
22
|
18
|
20
|
24
|
21
|
|
|
2025/05
|
32
|
44
|
41
|
32
|
31
|
29
|
21
|
31
|
22
|
40
|
43
|
54
|
57
|
49
|
37
|
31
|
20
|
24
|
25
|
31
|
38
|
38
|
41
|
26
|
47
|
40
|
54
|
55
|
23
|
25
|
30
|
|
2025/04
|
38
|
61
|
73
|
66
|
89
|
79
|
78
|
79
|
75
|
73
|
57
|
95
|
248
|
176
|
134
|
109
|
93
|
71
|
52
|
45
|
45
|
48
|
34
|
42
|
20
|
32
|
50
|
35
|
57
|
61
|
|
|
2025/03
|
49
|
47
|
63
|
32
|
18
|
19
|
24
|
29
|
44
|
60
|
81
|
62
|
50
|
52
|
28
|
22
|
48
|
40
|
59
|
69
|
78
|
89
|
96
|
104
|
90
|
79
|
50
|
55
|
16
|
15
|
19
|
|
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
|
|
|
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