Air Quality
Excellent
No health implications.
24
PM2.5
40
PM10
93
O3
0.6
CO
2
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Jul
81
Good
Thu
3 Jul
47
Excellent
Fri
4 Jul
87
Good
Sat
5 Jul
59
Good
Sun
6 Jul
71
Good
Mon
7 Jul
70
Good
Tue
8 Jul
42
Excellent
Longcheng Air quality rank
Air quality in the last 12 months (Longcheng)
|
2025/05
|
61
|
38
|
38
|
31
|
37
|
35
|
55
|
64
|
31
|
45
|
53
|
79
|
70
|
47
|
49
|
55
|
34
|
36
|
50
|
65
|
58
|
85
|
44
|
55
|
47
|
54
|
68
|
93
|
46
|
80
|
55
|
|
2025/04
|
53
|
26
|
48
|
58
|
45
|
44
|
67
|
31
|
33
|
53
|
63
|
77
|
26
|
21
|
51
|
64
|
72
|
30
|
25
|
39
|
49
|
28
|
62
|
51
|
40
|
60
|
36
|
35
|
67
|
48
|
|
|
2025/03
|
158
|
46
|
43
|
55
|
69
|
34
|
65
|
69
|
128
|
120
|
111
|
73
|
47
|
47
|
44
|
42
|
52
|
26
|
48
|
59
|
49
|
60
|
73
|
58
|
78
|
124
|
61
|
47
|
31
|
35
|
48
|
|
2025/02
|
89
|
85
|
40
|
25
|
30
|
66
|
53
|
30
|
52
|
67
|
90
|
57
|
79
|
69
|
73
|
37
|
27
|
26
|
41
|
41
|
31
|
40
|
36
|
53
|
58
|
61
|
87
|
127
|
|||
|
2025/01
|
53
|
40
|
49
|
76
|
85
|
57
|
39
|
37
|
27
|
69
|
77
|
80
|
68
|
39
|
35
|
50
|
61
|
64
|
56
|
76
|
70
|
69
|
107
|
139
|
134
|
118
|
31
|
89
|
285
|
80
|
67
|
|
2024/12
|
72
|
29
|
40
|
34
|
37
|
30
|
32
|
44
|
65
|
60
|
44
|
76
|
64
|
38
|
39
|
53
|
30
|
44
|
60
|
47
|
37
|
38
|
57
|
81
|
74
|
31
|
35
|
54
|
75
|
66
|
42
|
|
2024/11
|
63
|
52
|
57
|
29
|
39
|
43
|
89
|
147
|
85
|
73
|
42
|
48
|
57
|
64
|
55
|
33
|
32
|
33
|
53
|
68
|
53
|
46
|
56
|
111
|
71
|
18
|
27
|
41
|
42
|
54
|
|
|
2024/10
|
24
|
31
|
33
|
43
|
63
|
32
|
34
|
37
|
59
|
38
|
49
|
43
|
54
|
62
|
28
|
41
|
72
|
61
|
28
|
40
|
36
|
29
|
44
|
50
|
83
|
64
|
35
|
48
|
59
|
33
|
57
|
|
2024/09
|
29
|
28
|
29
|
34
|
23
|
35
|
24
|
27
|
42
|
25
|
45
|
40
|
44
|
16
|
34
|
35
|
31
|
39
|
48
|
14
|
22
|
34
|
31
|
42
|
35
|
37
|
45
|
55
|
39
|
20
|
|
|
2024/08
|
29
|
24
|
34
|
21
|
27
|
31
|
36
|
46
|
49
|
27
|
47
|
27
|
16
|
26
|
30
|
39
|
44
|
38
|
29
|
12
|
21
|
27
|
26
|
26
|
32
|
33
|
32
|
32
|
34
|
41
|
31
|
|
2024/07
|
46
|
55
|
35
|
36
|
48
|
64
|
32
|
56
|
58
|
66
|
69
|
76
|
53
|
43
|
35
|
29
|
40
|
38
|
45
|
41
|
53
|
37
|
33
|
30
|
20
|
19
|
24
|
29
|
36
|
43
|
27
|
|
2024/06
|
32
|
37
|
38
|
47
|
43
|
45
|
52
|
29
|
55
|
44
|
54
|
60
|
40
|
29
|
21
|
35
|
46
|
58
|
49
|
27
|
32
|
110
|
80
|
19
|
27
|
37
|
62
|
49
|
35
|
35
|
|
|
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