Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
63
*
PM2.5
87
PM10
32
O3
1.0
CO
9
SO2
24
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 Dec
96
Good
Wed
17 Dec
93
Good
Thu
18 Dec
108
Light
Fri
19 Dec
58
Good
Sat
20 Dec
54
Good
Sun
21 Dec
48
Excellent
Mon
22 Dec
42
Excellent
Longtan Air quality rank
Air quality in the last 12 months (Longtan)
|
2025/11
|
50
|
37
|
44
|
56
|
93
|
98
|
43
|
60
|
37
|
46
|
146
|
91
|
52
|
133
|
139
|
59
|
132
|
48
|
35
|
41
|
49
|
55
|
118
|
321
|
500
|
277
|
66
|
42
|
41
|
50
|
|
|
2025/10
|
38
|
52
|
38
|
32
|
24
|
23
|
26
|
32
|
43
|
43
|
28
|
44
|
132
|
232
|
67
|
60
|
85
|
34
|
25
|
27
|
37
|
47
|
70
|
70
|
73
|
44
|
35
|
74
|
146
|
52
|
46
|
|
2025/09
|
22
|
26
|
27
|
32
|
33
|
22
|
20
|
19
|
22
|
26
|
26
|
34
|
50
|
34
|
18
|
26
|
27
|
24
|
27
|
30
|
33
|
24
|
30
|
22
|
23
|
31
|
29
|
28
|
33
|
36
|
|
|
2025/08
|
21
|
23
|
18
|
18
|
20
|
22
|
19
|
24
|
23
|
18
|
28
|
26
|
23
|
20
|
28
|
22
|
16
|
22
|
31
|
26
|
22
|
18
|
25
|
18
|
15
|
21
|
26
|
21
|
23
|
27
|
27
|
|
2025/07
|
16
|
17
|
17
|
19
|
23
|
16
|
23
|
31
|
35
|
35
|
34
|
35
|
27
|
24
|
21
|
12
|
16
|
16
|
18
|
18
|
17
|
22
|
15
|
15
|
21
|
32
|
16
|
22
|
19
|
12
|
17
|
|
2025/06
|
29
|
44
|
16
|
28
|
26
|
31
|
30
|
26
|
39
|
22
|
16
|
22
|
34
|
34
|
36
|
22
|
37
|
27
|
40
|
39
|
15
|
22
|
30
|
40
|
41
|
41
|
51
|
27
|
35
|
32
|
|
|
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
|
|
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