Air Quality
Excellent
No health implications.
21
PM2.5
40
PM10
67
O3
0.3
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 May
74
Good
Fri
23 May
69
Good
Sat
24 May
72
Good
Sun
25 May
82
Good
Mon
26 May
74
Good
Tue
27 May
78
Good
Wed
28 May
39
Excellent
Air quality in the last 12 months (Longxi)
|
2025/04
|
104
|
98
|
82
|
104
|
88
|
66
|
53
|
91
|
109
|
73
|
143
|
372
|
115
|
71
|
63
|
125
|
76
|
242
|
143
|
96
|
104
|
90
|
58
|
54
|
56
|
41
|
56
|
54
|
57
|
98
|
|
|
2025/03
|
60
|
52
|
50
|
55
|
48
|
50
|
64
|
65
|
53
|
46
|
171
|
96
|
88
|
46
|
51
|
53
|
49
|
44
|
53
|
59
|
55
|
54
|
64
|
51
|
65
|
369
|
118
|
91
|
81
|
84
|
78
|
|
2025/02
|
58
|
60
|
51
|
49
|
51
|
48
|
61
|
66
|
62
|
53
|
77
|
82
|
67
|
65
|
60
|
63
|
60
|
50
|
64
|
55
|
49
|
54
|
49
|
50
|
54
|
50
|
47
|
52
|
|||
|
2025/01
|
68
|
70
|
75
|
68
|
69
|
62
|
58
|
67
|
65
|
62
|
66
|
68
|
66
|
68
|
65
|
59
|
61
|
69
|
70
|
72
|
75
|
75
|
79
|
80
|
66
|
73
|
79
|
89
|
121
|
76
|
63
|
|
2024/12
|
65
|
70
|
62
|
55
|
57
|
61
|
54
|
50
|
44
|
59
|
58
|
53
|
52
|
65
|
69
|
63
|
69
|
59
|
64
|
70
|
63
|
61
|
69
|
70
|
75
|
70
|
61
|
67
|
61
|
58
|
59
|
|
2024/11
|
48
|
44
|
52
|
56
|
53
|
43
|
39
|
37
|
51
|
54
|
53
|
54
|
58
|
47
|
56
|
44
|
43
|
33
|
41
|
52
|
55
|
46
|
42
|
43
|
45
|
55
|
60
|
66
|
61
|
66
|
|
|
2024/10
|
31
|
37
|
34
|
31
|
37
|
50
|
41
|
38
|
43
|
44
|
38
|
28
|
34
|
29
|
35
|
39
|
31
|
48
|
38
|
33
|
43
|
44
|
55
|
41
|
48
|
45
|
46
|
50
|
44
|
39
|
39
|
|
2024/09
|
49
|
36
|
35
|
26
|
22
|
27
|
25
|
31
|
28
|
26
|
25
|
29
|
25
|
29
|
28
|
28
|
29
|
31
|
29
|
39
|
29
|
36
|
39
|
37
|
31
|
27
|
41
|
50
|
34
|
30
|
|
|
2024/08
|
33
|
35
|
30
|
28
|
28
|
31
|
26
|
28
|
62
|
54
|
42
|
41
|
37
|
33
|
37
|
32
|
34
|
30
|
35
|
32
|
37
|
35
|
40
|
37
|
36
|
37
|
29
|
35
|
32
|
28
|
43
|
|
2024/07
|
32
|
36
|
36
|
32
|
42
|
48
|
28
|
23
|
42
|
54
|
43
|
57
|
34
|
28
|
19
|
25
|
30
|
28
|
22
|
22
|
145
|
34
|
32
|
109
|
73
|
57
|
49
|
41
|
32
|
31
|
33
|
|
2024/06
|
51
|
44
|
44
|
36
|
37
|
31
|
37
|
37
|
36
|
41
|
45
|
45
|
46
|
46
|
48
|
31
|
31
|
26
|
32
|
30
|
31
|
39
|
37
|
38
|
36
|
33
|
28
|
28
|
40
|
36
|
|
|
2024/05
|
43
|
30
|
29
|
48
|
58
|
64
|
60
|
46
|
43
|
49
|
60
|
57
|
56
|
47
|
45
|
59
|
66
|
56
|
52
|
60
|
47
|
47
|
53
|
47
|
56
|
54
|
48
|
38
|
34
|
48
|
69
|
|
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