Air Quality
Excellent
No health implications.
4
PM2.5
9
PM10
137
O3
0.9
CO
3
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jun
64
Good
Tue
30 Jun
60
Good
Wed
1 Jul
62
Good
Thu
2 Jul
61
Good
Fri
3 Jul
66
Good
Sat
4 Jul
70
Good
Sun
5 Jul
20
Excellent
Air quality in the last 12 months (Longcheng)
|
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
|
|
|
2025/08
|
40
|
48
|
32
|
23
|
22
|
24
|
27
|
31
|
27
|
33
|
40
|
40
|
25
|
30
|
41
|
31
|
23
|
38
|
39
|
26
|
33
|
25
|
40
|
21
|
27
|
34
|
32
|
15
|
34
|
41
|
41
|
|
2025/07
|
37
|
31
|
26
|
35
|
41
|
28
|
34
|
40
|
38
|
35
|
37
|
41
|
25
|
35
|
33
|
29
|
21
|
27
|
36
|
23
|
27
|
32
|
33
|
26
|
35
|
40
|
37
|
25
|
22
|
19
|
32
|
|
2025/06
|
33
|
56
|
40
|
24
|
42
|
39
|
27
|
44
|
37
|
28
|
40
|
49
|
33
|
47
|
26
|
16
|
32
|
42
|
42
|
25
|
37
|
37
|
44
|
55
|
51
|
49
|
44
|
21
|
37
|
33
|
|
|
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