Air Quality
Excellent
No health implications.
3
PM2.5
44
PM10
52
O3
0.5
CO
13
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Sep
44
Excellent
Tue
8 Sep
58
Good
Wed
9 Sep
62
Good
Thu
10 Sep
70
Good
Fri
11 Sep
77
Good
Sat
12 Sep
63
Good
Sun
13 Sep
29
Excellent
Air quality in the last 12 months (Longcheng)
|
2026/08
|
36
|
35
|
38
|
33
|
34
|
39
|
33
|
30
|
35
|
41
|
31
|
24
|
22
|
30
|
34
|
41
|
29
|
37
|
41
|
43
|
51
|
29
|
27
|
37
|
33
|
39
|
41
|
25
|
30
|
35
|
24
|
|
2026/07
|
40
|
48
|
60
|
40
|
40
|
33
|
38
|
31
|
38
|
36
|
23
|
30
|
21
|
29
|
35
|
33
|
39
|
42
|
32
|
39
|
38
|
40
|
31
|
32
|
34
|
37
|
33
|
44
|
41
|
37
|
35
|
|
2026/06
|
56
|
80
|
42
|
29
|
27
|
29
|
26
|
28
|
30
|
30
|
32
|
38
|
49
|
39
|
35
|
51
|
37
|
43
|
49
|
39
|
28
|
38
|
35
|
34
|
34
|
40
|
56
|
53
|
45
|
34
|
|
|
2026/05
|
42
|
46
|
29
|
32
|
67
|
42
|
35
|
38
|
50
|
63
|
47
|
60
|
59
|
58
|
49
|
51
|
39
|
26
|
27
|
36
|
42
|
41
|
39
|
62
|
40
|
39
|
47
|
41
|
42
|
47
|
71
|
|
2026/04
|
50
|
62
|
111
|
35
|
41
|
30
|
29
|
55
|
44
|
37
|
66
|
54
|
33
|
51
|
65
|
81
|
60
|
88
|
87
|
209
|
51
|
41
|
53
|
63
|
63
|
35
|
38
|
29
|
33
|
45
|
|
|
2026/03
|
47
|
76
|
164
|
56
|
41
|
27
|
40
|
54
|
31
|
64
|
76
|
57
|
93
|
33
|
59
|
41
|
75
|
38
|
42
|
45
|
84
|
159
|
114
|
112
|
111
|
69
|
42
|
73
|
50
|
40
|
53
|
|
2026/02
|
72
|
42
|
52
|
61
|
70
|
30
|
52
|
38
|
63
|
82
|
60
|
98
|
120
|
101
|
55
|
119
|
141
|
26
|
60
|
81
|
185
|
65
|
31
|
61
|
84
|
52
|
42
|
35
|
|||
|
2026/01
|
68
|
69
|
101
|
92
|
59
|
51
|
45
|
55
|
78
|
35
|
26
|
51
|
29
|
96
|
62
|
36
|
35
|
34
|
39
|
49
|
58
|
61
|
65
|
61
|
42
|
69
|
35
|
53
|
64
|
60
|
88
|
|
2025/12
|
35
|
26
|
36
|
58
|
46
|
85
|
71
|
46
|
52
|
75
|
33
|
69
|
95
|
71
|
81
|
67
|
72
|
114
|
102
|
30
|
34
|
57
|
58
|
43
|
38
|
53
|
78
|
78
|
41
|
43
|
39
|
|
2025/11
|
58
|
24
|
52
|
58
|
105
|
54
|
50
|
45
|
44
|
41
|
44
|
76
|
42
|
69
|
89
|
56
|
35
|
48
|
49
|
35
|
53
|
53
|
83
|
110
|
30
|
49
|
33
|
73
|
72
|
49
|
|
|
2025/10
|
51
|
58
|
53
|
40
|
30
|
19
|
35
|
20
|
23
|
34
|
52
|
35
|
44
|
62
|
51
|
29
|
34
|
21
|
32
|
28
|
42
|
52
|
46
|
58
|
74
|
51
|
42
|
45
|
101
|
59
|
59
|
|
2025/09
|
41
|
39
|
49
|
59
|
59
|
44
|
33
|
29
|
39
|
33
|
49
|
43
|
44
|
38
|
30
|
33
|
28
|
36
|
40
|
41
|
37
|
34
|
33
|
36
|
37
|
46
|
77
|
57
|
44
|
51
|
|
|
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