Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
34
O3
0.4
CO
5
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 May
32
Excellent
Wed
20 May
26
Excellent
Thu
21 May
25
Excellent
Fri
22 May
41
Excellent
Sat
23 May
45
Excellent
Sun
24 May
45
Excellent
Mon
25 May
15
Excellent
Air quality in the last 12 months (Longxu)
|
2026/04
|
27
|
41
|
58
|
29
|
45
|
62
|
62
|
49
|
44
|
44
|
47
|
46
|
39
|
35
|
31
|
36
|
36
|
41
|
47
|
49
|
34
|
36
|
16
|
28
|
44
|
55
|
44
|
38
|
30
|
27
|
|
|
2026/03
|
24
|
19
|
13
|
18
|
32
|
28
|
44
|
60
|
40
|
18
|
36
|
47
|
59
|
55
|
58
|
55
|
46
|
47
|
44
|
63
|
34
|
52
|
49
|
74
|
77
|
64
|
52
|
46
|
48
|
34
|
39
|
|
2026/02
|
33
|
47
|
60
|
77
|
74
|
77
|
33
|
28
|
43
|
53
|
34
|
37
|
64
|
81
|
66
|
45
|
51
|
39
|
46
|
61
|
75
|
67
|
54
|
52
|
39
|
67
|
45
|
29
|
|||
|
2026/01
|
52
|
27
|
36
|
56
|
37
|
39
|
53
|
55
|
55
|
59
|
56
|
65
|
68
|
73
|
79
|
80
|
84
|
80
|
79
|
56
|
29
|
30
|
33
|
62
|
67
|
70
|
43
|
46
|
56
|
45
|
27
|
|
2025/12
|
42
|
45
|
70
|
76
|
67
|
77
|
78
|
72
|
66
|
68
|
71
|
61
|
26
|
40
|
54
|
59
|
53
|
62
|
66
|
69
|
59
|
66
|
67
|
46
|
22
|
37
|
51
|
57
|
58
|
57
|
49
|
|
2025/11
|
36
|
35
|
19
|
9
|
19
|
33
|
34
|
24
|
20
|
18
|
14
|
37
|
37
|
38
|
59
|
56
|
54
|
30
|
28
|
39
|
49
|
54
|
60
|
61
|
55
|
58
|
67
|
66
|
63
|
52
|
|
|
2025/10
|
50
|
41
|
26
|
42
|
20
|
16
|
23
|
49
|
38
|
44
|
47
|
39
|
29
|
29
|
35
|
39
|
49
|
50
|
26
|
18
|
14
|
19
|
25
|
45
|
48
|
51
|
43
|
43
|
52
|
54
|
36
|
|
2025/09
|
25
|
30
|
40
|
54
|
39
|
41
|
45
|
13
|
15
|
20
|
22
|
28
|
33
|
40
|
37
|
27
|
34
|
35
|
36
|
32
|
15
|
22
|
23
|
19
|
12
|
19
|
35
|
35
|
33
|
38
|
|
|
2025/08
|
24
|
25
|
22
|
32
|
21
|
21
|
22
|
24
|
39
|
47
|
44
|
45
|
41
|
43
|
12
|
25
|
26
|
12
|
17
|
18
|
23
|
25
|
40
|
28
|
26
|
30
|
47
|
27
|
26
|
23
|
29
|
|
2025/07
|
19
|
26
|
28
|
44
|
49
|
33
|
42
|
35
|
38
|
33
|
33
|
28
|
35
|
42
|
37
|
39
|
38
|
47
|
29
|
26
|
12
|
13
|
14
|
21
|
42
|
44
|
48
|
50
|
39
|
34
|
27
|
|
2025/06
|
37
|
35
|
18
|
32
|
37
|
33
|
34
|
26
|
42
|
21
|
22
|
16
|
14
|
16
|
20
|
20
|
17
|
20
|
21
|
20
|
19
|
19
|
27
|
29
|
28
|
22
|
18
|
20
|
24
|
21
|
|
|
2025/05
|
32
|
44
|
41
|
32
|
31
|
29
|
21
|
31
|
22
|
40
|
43
|
54
|
57
|
49
|
37
|
31
|
20
|
24
|
25
|
31
|
38
|
38
|
41
|
26
|
47
|
40
|
54
|
55
|
23
|
25
|
30
|
|
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