Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
35
PM2.5
61
*
PM10
45
O3
0.5
CO
5
SO2
29
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 May
52
Good
Tue
20 May
51
Good
Wed
21 May
49
Excellent
Thu
22 May
57
Good
Fri
23 May
55
Good
Sat
24 May
52
Good
Sun
25 May
40
Excellent
Air quality in the last 12 months (Longsha)
|
2025/02
|
70
|
121
|
51
|
20
|
32
|
39
|
14
|
14
|
21
|
38
|
91
|
72
|
32
|
30
|
28
|
26
|
20
|
19
|
21
|
29
|
31
|
31
|
27
|
39
|
36
|
22
|
42
|
27
|
|||
|
2025/01
|
98
|
39
|
41
|
118
|
123
|
67
|
25
|
31
|
26
|
29
|
59
|
163
|
236
|
64
|
29
|
32
|
89
|
188
|
188
|
134
|
88
|
68
|
208
|
271
|
222
|
204
|
26
|
35
|
51
|
27
|
27
|
|
2024/12
|
36
|
16
|
21
|
19
|
22
|
17
|
23
|
32
|
78
|
40
|
22
|
33
|
47
|
29
|
21
|
25
|
26
|
27
|
31
|
48
|
28
|
25
|
23
|
40
|
39
|
25
|
22
|
26
|
50
|
117
|
114
|
|
2024/11
|
48
|
58
|
38
|
29
|
29
|
70
|
79
|
185
|
171
|
119
|
126
|
47
|
117
|
191
|
106
|
44
|
25
|
26
|
44
|
42
|
22
|
31
|
65
|
188
|
144
|
46
|
23
|
37
|
21
|
24
|
|
|
2024/10
|
21
|
24
|
33
|
37
|
40
|
42
|
63
|
32
|
52
|
23
|
26
|
25
|
48
|
53
|
20
|
36
|
27
|
35
|
23
|
46
|
34
|
37
|
42
|
51
|
44
|
98
|
46
|
38
|
57
|
44
|
53
|
|
2024/09
|
15
|
20
|
27
|
26
|
21
|
24
|
33
|
34
|
42
|
24
|
22
|
30
|
19
|
27
|
33
|
27
|
25
|
26
|
18
|
24
|
29
|
29
|
34
|
36
|
30
|
38
|
31
|
31
|
50
|
21
|
|
|
2024/08
|
25
|
25
|
25
|
22
|
18
|
28
|
33
|
24
|
37
|
36
|
18
|
21
|
24
|
30
|
32
|
30
|
31
|
26
|
21
|
23
|
21
|
26
|
33
|
27
|
31
|
16
|
17
|
24
|
25
|
17
|
17
|
|
2024/07
|
35
|
49
|
58
|
64
|
61
|
51
|
60
|
79
|
70
|
70
|
81
|
85
|
92
|
65
|
57
|
51
|
22
|
37
|
30
|
36
|
26
|
29
|
25
|
25
|
30
|
23
|
13
|
21
|
21
|
27
|
27
|
|
2024/06
|
30
|
32
|
41
|
21
|
41
|
50
|
30
|
19
|
19
|
31
|
26
|
24
|
26
|
14
|
21
|
33
|
21
|
26
|
32
|
22
|
20
|
20
|
23
|
25
|
29
|
39
|
45
|
53
|
26
|
41
|
|
|
2024/05
|
56
|
37
|
50
|
74
|
37
|
41
|
41
|
75
|
33
|
36
|
12
|
31
|
31
|
22
|
17
|
26
|
45
|
27
|
37
|
37
|
43
|
31
|
22
|
26
|
42
|
23
|
30
|
23
|
27
|
20
|
22
|
|
2024/04
|
34
|
79
|
51
|
40
|
70
|
35
|
50
|
33
|
59
|
70
|
88
|
91
|
88
|
126
|
196
|
43
|
54
|
42
|
27
|
73
|
153
|
67
|
31
|
33
|
27
|
24
|
22
|
19
|
33
|
29
|
|
|
2024/03
|
26
|
29
|
27
|
27
|
24
|
28
|
28
|
24
|
33
|
51
|
29
|
42
|
33
|
53
|
42
|
79
|
19
|
24
|
36
|
25
|
29
|
55
|
71
|
27
|
47
|
68
|
79
|
149
|
24
|
25
|
28
|
|
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