Air Quality
Moderately
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
145
*
PM2.5
175
PM10
90
O3
0.9
CO
13
SO2
30
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
20 Apr
95
Good
Sun
21 Apr
121
Lightly
Mon
22 Apr
118
Lightly
Tue
23 Apr
83
Good
Wed
24 Apr
69
Good
Thu
25 Apr
123
Lightly
Air quality in the last 12 months (Longtan)
|
2024/02
|
115
|
131
|
221
|
126
|
171
|
169
|
128
|
105
|
157
|
263
|
94
|
51
|
84
|
50
|
62
|
38
|
35
|
35
|
34
|
38
|
56
|
64
|
71
|
100
|
137
|
53
|
49
|
85
|
78
|
||
|
2024/01
|
75
|
118
|
111
|
47
|
51
|
64
|
37
|
32
|
104
|
31
|
61
|
89
|
105
|
29
|
60
|
45
|
66
|
133
|
156
|
79
|
58
|
67
|
65
|
68
|
75
|
79
|
103
|
78
|
109
|
155
|
70
|
|
2023/12
|
34
|
34
|
33
|
59
|
85
|
48
|
27
|
65
|
29
|
36
|
36
|
67
|
58
|
60
|
43
|
44
|
30
|
57
|
107
|
70
|
56
|
45
|
59
|
60
|
54
|
58
|
67
|
67
|
71
|
103
|
76
|
|
2023/11
|
121
|
63
|
60
|
154
|
236
|
20
|
59
|
39
|
52
|
22
|
39
|
57
|
39
|
53
|
55
|
40
|
40
|
40
|
31
|
22
|
76
|
88
|
25
|
31
|
29
|
62
|
101
|
29
|
22
|
28
|
|
|
2023/10
|
26
|
32
|
35
|
26
|
26
|
32
|
39
|
37
|
52
|
50
|
46
|
52
|
64
|
75
|
48
|
47
|
43
|
40
|
28
|
30
|
34
|
41
|
42
|
81
|
107
|
48
|
59
|
70
|
62
|
98
|
88
|
|
2023/09
|
30
|
31
|
34
|
49
|
35
|
39
|
35
|
48
|
40
|
45
|
34
|
32
|
29
|
29
|
35
|
45
|
46
|
41
|
21
|
27
|
26
|
32
|
37
|
29
|
29
|
30
|
35
|
32
|
27
|
26
|
|
|
2023/08
|
29
|
25
|
30
|
33
|
17
|
19
|
15
|
23
|
35
|
29
|
15
|
16
|
18
|
24
|
24
|
21
|
32
|
32
|
35
|
40
|
33
|
26
|
30
|
31
|
37
|
30
|
32
|
27
|
18
|
19
|
21
|
|
2023/07
|
37
|
38
|
44
|
47
|
33
|
42
|
33
|
36
|
30
|
27
|
25
|
34
|
32
|
25
|
25
|
17
|
16
|
26
|
36
|
39
|
39
|
41
|
23
|
27
|
27
|
33
|
29
|
24
|
19
|
20
|
28
|
|
2023/06
|
52
|
50
|
34
|
35
|
34
|
36
|
38
|
30
|
30
|
32
|
33
|
33
|
48
|
56
|
72
|
81
|
74
|
58
|
79
|
39
|
25
|
26
|
34
|
56
|
63
|
53
|
27
|
63
|
54
|
36
|
|
|
2023/05
|
38
|
42
|
57
|
58
|
34
|
45
|
44
|
59
|
47
|
40
|
45
|
45
|
41
|
36
|
46
|
63
|
70
|
38
|
35
|
245
|
97
|
33
|
38
|
40
|
49
|
51
|
43
|
51
|
32
|
42
|
38
|
|
2023/04
|
80
|
68
|
81
|
285
|
280
|
325
|
74
|
87
|
84
|
98
|
269
|
127
|
125
|
80
|
76
|
78
|
73
|
73
|
72
|
226
|
180
|
59
|
56
|
51
|
51
|
34
|
41
|
52
|
38
|
29
|
|
|
2023/03
|
39
|
37
|
64
|
57
|
58
|
104
|
106
|
60
|
61
|
84
|
90
|
49
|
52
|
55
|
54
|
42
|
48
|
61
|
54
|
78
|
80
|
279
|
150
|
73
|
58
|
63
|
71
|
66
|
81
|
102
|
63
|
|
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