Air Quality
Excellent
No health implications.
30
PM2.5
39
PM10
95
O3
0.6
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 May
62
Good
Tue
13 May
56
Good
Wed
14 May
57
Good
Thu
15 May
58
Good
Fri
16 May
59
Good
Sat
17 May
62
Good
Sun
18 May
27
Excellent
Air quality in the last 12 months (Longling)
|
2025/02
|
78
|
75
|
59
|
65
|
70
|
78
|
63
|
52
|
59
|
55
|
51
|
53
|
46
|
71
|
67
|
75
|
55
|
60
|
66
|
72
|
65
|
66
|
64
|
60
|
57
|
56
|
50
|
57
|
|||
|
2025/01
|
48
|
48
|
43
|
45
|
50
|
47
|
45
|
42
|
41
|
44
|
45
|
52
|
49
|
51
|
50
|
50
|
48
|
45
|
48
|
43
|
45
|
48
|
56
|
46
|
50
|
66
|
48
|
60
|
111
|
64
|
62
|
|
2024/12
|
38
|
35
|
34
|
34
|
34
|
35
|
42
|
46
|
41
|
41
|
55
|
57
|
45
|
41
|
38
|
37
|
40
|
39
|
39
|
30
|
45
|
61
|
37
|
36
|
42
|
48
|
55
|
53
|
41
|
41
|
44
|
|
2024/11
|
48
|
43
|
43
|
40
|
33
|
26
|
22
|
23
|
25
|
29
|
29
|
29
|
26
|
27
|
29
|
34
|
37
|
36
|
36
|
35
|
28
|
41
|
36
|
37
|
36
|
31
|
37
|
42
|
41
|
38
|
|
|
2024/10
|
21
|
14
|
26
|
21
|
17
|
21
|
22
|
21
|
22
|
26
|
28
|
34
|
38
|
43
|
46
|
34
|
32
|
37
|
44
|
45
|
32
|
31
|
31
|
34
|
33
|
31
|
39
|
40
|
35
|
31
|
38
|
|
2024/09
|
19
|
25
|
19
|
24
|
26
|
27
|
35
|
36
|
31
|
28
|
17
|
22
|
24
|
19
|
31
|
32
|
31
|
35
|
35
|
42
|
42
|
28
|
27
|
31
|
37
|
27
|
20
|
22
|
20
|
20
|
|
|
2024/08
|
20
|
15
|
19
|
21
|
20
|
17
|
19
|
16
|
16
|
20
|
22
|
24
|
36
|
38
|
38
|
28
|
28
|
24
|
23
|
20
|
20
|
21
|
48
|
23
|
20
|
23
|
27
|
23
|
30
|
28
|
22
|
|
2024/07
|
15
|
15
|
15
|
13
|
21
|
19
|
17
|
20
|
19
|
16
|
13
|
16
|
26
|
24
|
22
|
23
|
30
|
24
|
20
|
19
|
17
|
15
|
19
|
21
|
23
|
21
|
17
|
21
|
19
|
15
|
25
|
|
2024/06
|
51
|
42
|
36
|
41
|
43
|
38
|
35
|
34
|
37
|
49
|
49
|
36
|
15
|
16
|
24
|
40
|
38
|
31
|
40
|
44
|
33
|
31
|
25
|
23
|
20
|
28
|
21
|
19
|
19
|
21
|
|
|
2024/05
|
75
|
56
|
43
|
59
|
66
|
31
|
43
|
52
|
51
|
39
|
35
|
42
|
41
|
46
|
49
|
44
|
42
|
47
|
53
|
50
|
35
|
38
|
37
|
31
|
34
|
21
|
17
|
26
|
40
|
42
|
45
|
|
2024/04
|
55
|
65
|
74
|
70
|
58
|
74
|
69
|
75
|
75
|
66
|
77
|
76
|
78
|
61
|
68
|
97
|
108
|
66
|
62
|
54
|
49
|
61
|
64
|
65
|
62
|
62
|
67
|
64
|
62
|
63
|
|
|
2024/03
|
49
|
44
|
49
|
54
|
50
|
47
|
52
|
45
|
40
|
54
|
62
|
79
|
76
|
71
|
70
|
73
|
80
|
62
|
59
|
84
|
87
|
38
|
30
|
52
|
46
|
53
|
59
|
60
|
63
|
76
|
68
|
|
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