Air Quality
Excellent
No health implications.
16
PM2.5
28
PM10
58
O3
0.7
CO
2
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 May
43
Excellent
Thu
22 May
38
Excellent
Fri
23 May
41
Excellent
Sat
24 May
46
Excellent
Sun
25 May
52
Good
Mon
26 May
61
Good
Tue
27 May
26
Excellent
Air quality in the last 12 months (Longli)
|
2025/04
|
42
|
50
|
59
|
69
|
59
|
63
|
69
|
60
|
67
|
54
|
59
|
144
|
277
|
102
|
75
|
70
|
70
|
58
|
31
|
34
|
43
|
28
|
43
|
26
|
44
|
31
|
24
|
35
|
42
|
20
|
|
|
2025/03
|
40
|
41
|
68
|
34
|
20
|
28
|
32
|
40
|
20
|
25
|
39
|
54
|
25
|
25
|
23
|
30
|
43
|
34
|
37
|
51
|
58
|
62
|
65
|
58
|
61
|
67
|
70
|
84
|
20
|
23
|
42
|
|
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
|
|
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