Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
29
PM2.5
87
*
PM10
75
O3
0.6
CO
7
SO2
12
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
24 Apr
53
Good
Fri
25 Apr
54
Good
Sat
26 Apr
121
Light
Sun
27 Apr
108
Light
Mon
28 Apr
117
Light
Tue
29 Apr
69
Good
Wed
30 Apr
37
Excellent
Air quality in the last 12 months (Longtan)
|
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
|
|
|
2024/05
|
31
|
60
|
66
|
55
|
39
|
46
|
42
|
36
|
44
|
50
|
65
|
38
|
38
|
49
|
30
|
33
|
35
|
49
|
24
|
46
|
19
|
48
|
31
|
29
|
29
|
17
|
13
|
26
|
34
|
30
|
20
|
|
2024/04
|
70
|
76
|
74
|
57
|
78
|
74
|
66
|
49
|
66
|
70
|
63
|
67
|
54
|
75
|
154
|
113
|
71
|
97
|
178
|
180
|
125
|
78
|
122
|
71
|
62
|
120
|
71
|
58
|
58
|
31
|
|
|
2024/03
|
45
|
47
|
34
|
39
|
44
|
52
|
38
|
35
|
40
|
64
|
95
|
41
|
47
|
45
|
55
|
69
|
26
|
43
|
43
|
42
|
36
|
32
|
39
|
24
|
27
|
47
|
52
|
309
|
108
|
57
|
50
|
|
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