Air Quality
Excellent
No health implications.
16
PM2.5
22
PM10
110
O3
0.6
CO
8
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jun
58
Good
Fri
20 Jun
54
Good
Sat
21 Jun
52
Good
Sun
22 Jun
57
Good
Mon
23 Jun
86
Good
Tue
24 Jun
49
Excellent
Wed
25 Jun
37
Excellent
Longtan Air quality rank
Air quality in the last 12 months (Longtan)
|
2025/05
|
31
|
21
|
25
|
21
|
36
|
27
|
39
|
45
|
62
|
36
|
54
|
57
|
49
|
48
|
40
|
33
|
23
|
31
|
23
|
28
|
47
|
40
|
30
|
36
|
35
|
38
|
44
|
34
|
44
|
40
|
52
|
|
2025/04
|
63
|
59
|
61
|
50
|
36
|
61
|
45
|
70
|
68
|
96
|
79
|
40
|
15
|
24
|
33
|
35
|
54
|
49
|
33
|
64
|
138
|
27
|
30
|
74
|
31
|
54
|
53
|
55
|
60
|
58
|
|
|
2025/03
|
54
|
32
|
57
|
34
|
51
|
73
|
57
|
69
|
95
|
77
|
64
|
102
|
58
|
44
|
43
|
59
|
90
|
79
|
70
|
82
|
66
|
80
|
56
|
99
|
96
|
65
|
43
|
30
|
37
|
43
|
70
|
|
2025/02
|
111
|
145
|
74
|
46
|
59
|
66
|
45
|
31
|
41
|
69
|
67
|
62
|
64
|
54
|
67
|
42
|
32
|
35
|
42
|
43
|
43
|
46
|
46
|
32
|
80
|
66
|
75
|
107
|
|||
|
2025/01
|
35
|
31
|
34
|
62
|
94
|
98
|
70
|
73
|
64
|
64
|
107
|
118
|
66
|
62
|
39
|
50
|
40
|
52
|
77
|
167
|
108
|
129
|
99
|
128
|
169
|
90
|
45
|
71
|
76
|
39
|
69
|
|
2024/12
|
47
|
22
|
21
|
28
|
28
|
48
|
41
|
44
|
55
|
51
|
47
|
49
|
99
|
40
|
26
|
37
|
50
|
50
|
54
|
85
|
92
|
40
|
53
|
32
|
51
|
36
|
33
|
33
|
47
|
54
|
43
|
|
2024/11
|
84
|
83
|
63
|
40
|
26
|
44
|
52
|
63
|
55
|
47
|
108
|
52
|
45
|
32
|
36
|
29
|
56
|
57
|
36
|
54
|
53
|
55
|
79
|
49
|
49
|
67
|
29
|
55
|
33
|
43
|
|
|
2024/10
|
21
|
20
|
27
|
28
|
39
|
47
|
46
|
38
|
37
|
25
|
26
|
54
|
42
|
33
|
24
|
30
|
51
|
55
|
30
|
30
|
20
|
49
|
53
|
58
|
70
|
181
|
65
|
42
|
50
|
96
|
61
|
|
2024/09
|
18
|
21
|
24
|
31
|
18
|
17
|
23
|
29
|
30
|
18
|
23
|
24
|
26
|
25
|
32
|
24
|
34
|
33
|
26
|
24
|
25
|
38
|
30
|
28
|
29
|
31
|
37
|
38
|
31
|
20
|
|
|
2024/08
|
16
|
22
|
26
|
20
|
14
|
19
|
28
|
37
|
26
|
29
|
19
|
26
|
19
|
27
|
38
|
40
|
36
|
38
|
21
|
19
|
15
|
20
|
19
|
38
|
28
|
21
|
27
|
28
|
29
|
34
|
24
|
|
2024/07
|
67
|
48
|
15
|
31
|
29
|
21
|
39
|
66
|
56
|
63
|
78
|
100
|
89
|
70
|
63
|
41
|
19
|
28
|
32
|
28
|
24
|
17
|
11
|
29
|
16
|
10
|
8
|
10
|
12
|
20
|
18
|
|
2024/06
|
26
|
33
|
32
|
45
|
50
|
36
|
38
|
21
|
26
|
23
|
33
|
38
|
36
|
20
|
20
|
23
|
26
|
32
|
44
|
34
|
41
|
60
|
39
|
10
|
18
|
32
|
40
|
47
|
34
|
55
|
|
|
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