Air Quality
Excellent
No health implications.
9
PM2.5
14
PM10
85
O3
0.5
CO
2
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
54
Good
Mon
5 May
60
Good
Tue
6 May
50
Excellent
Wed
7 May
50
Excellent
Thu
8 May
55
Good
Fri
9 May
46
Excellent
Sat
10 May
39
Excellent
Air quality in the last 12 months (Longli)
|
2025/02
|
20
|
15
|
33
|
37
|
42
|
17
|
24
|
52
|
60
|
42
|
30
|
35
|
39
|
15
|
25
|
33
|
26
|
28
|
16
|
15
|
18
|
13
|
19
|
23
|
27
|
38
|
26
|
32
|
|||
|
2025/01
|
71
|
73
|
73
|
85
|
79
|
71
|
71
|
38
|
22
|
41
|
57
|
58
|
52
|
69
|
68
|
73
|
63
|
68
|
65
|
74
|
78
|
82
|
74
|
59
|
19
|
21
|
46
|
44
|
67
|
45
|
40
|
|
2024/12
|
55
|
70
|
57
|
42
|
21
|
14
|
15
|
46
|
18
|
11
|
20
|
39
|
49
|
61
|
66
|
60
|
64
|
56
|
69
|
85
|
109
|
94
|
79
|
82
|
79
|
51
|
54
|
70
|
67
|
54
|
52
|
|
2024/11
|
55
|
36
|
49
|
63
|
56
|
58
|
47
|
47
|
39
|
40
|
37
|
36
|
39
|
48
|
52
|
49
|
45
|
16
|
14
|
16
|
15
|
24
|
29
|
27
|
18
|
23
|
34
|
36
|
36
|
39
|
|
|
2024/10
|
6
|
13
|
35
|
38
|
37
|
56
|
37
|
26
|
34
|
47
|
52
|
50
|
33
|
20
|
26
|
26
|
18
|
25
|
19
|
13
|
23
|
16
|
25
|
21
|
21
|
31
|
53
|
44
|
30
|
33
|
41
|
|
2024/09
|
18
|
14
|
10
|
15
|
28
|
32
|
22
|
11
|
10
|
17
|
17
|
24
|
29
|
29
|
20
|
27
|
17
|
20
|
25
|
29
|
22
|
16
|
29
|
32
|
37
|
41
|
40
|
35
|
18
|
11
|
|
|
2024/08
|
7
|
8
|
11
|
10
|
15
|
15
|
16
|
17
|
19
|
16
|
23
|
42
|
45
|
34
|
30
|
29
|
21
|
20
|
32
|
28
|
20
|
13
|
10
|
10
|
9
|
15
|
17
|
21
|
28
|
25
|
17
|
|
2024/07
|
14
|
21
|
9
|
9
|
10
|
10
|
12
|
12
|
15
|
14
|
13
|
12
|
13
|
11
|
10
|
11
|
11
|
11
|
7
|
10
|
8
|
12
|
12
|
10
|
21
|
30
|
23
|
22
|
10
|
9
|
9
|
|
2024/06
|
23
|
23
|
6
|
10
|
14
|
15
|
12
|
8
|
7
|
9
|
18
|
22
|
23
|
25
|
31
|
19
|
9
|
15
|
13
|
17
|
20
|
10
|
18
|
23
|
12
|
7
|
9
|
9
|
9
|
15
|
|
|
2024/05
|
17
|
13
|
13
|
14
|
26
|
34
|
18
|
20
|
17
|
13
|
18
|
15
|
32
|
33
|
36
|
35
|
33
|
12
|
21
|
29
|
15
|
21
|
30
|
31
|
29
|
19
|
24
|
27
|
17
|
13
|
27
|
|
2024/04
|
40
|
47
|
42
|
13
|
14
|
13
|
13
|
18
|
29
|
36
|
28
|
39
|
50
|
53
|
62
|
65
|
38
|
23
|
20
|
22
|
31
|
46
|
25
|
30
|
31
|
33
|
30
|
42
|
55
|
16
|
|
|
2024/03
|
43
|
54
|
35
|
29
|
31
|
21
|
55
|
50
|
39
|
45
|
47
|
41
|
31
|
24
|
18
|
27
|
38
|
15
|
33
|
61
|
55
|
48
|
31
|
44
|
32
|
29
|
47
|
27
|
38
|
42
|
49
|
|
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