Air Quality
Excellent
No health implications.
22
PM2.5
35
PM10
137
O3
0.6
CO
7
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
75
Good
Fri
15 May
66
Good
Sat
16 May
47
Excellent
Sun
17 May
39
Excellent
Mon
18 May
39
Excellent
Tue
19 May
34
Excellent
Wed
20 May
23
Excellent
Air quality in the last 12 months (Long'an)
|
2026/04
|
31
|
61
|
66
|
39
|
72
|
97
|
84
|
75
|
67
|
75
|
76
|
82
|
87
|
88
|
75
|
64
|
36
|
43
|
51
|
42
|
40
|
40
|
21
|
30
|
48
|
57
|
41
|
29
|
22
|
28
|
|
|
2026/03
|
33
|
39
|
21
|
28
|
67
|
62
|
63
|
58
|
41
|
20
|
41
|
58
|
72
|
63
|
59
|
52
|
48
|
43
|
53
|
42
|
39
|
80
|
62
|
44
|
47
|
52
|
50
|
62
|
63
|
53
|
45
|
|
2026/02
|
40
|
52
|
78
|
100
|
79
|
61
|
50
|
24
|
37
|
40
|
21
|
43
|
49
|
48
|
43
|
42
|
56
|
47
|
48
|
43
|
71
|
67
|
56
|
47
|
61
|
44
|
38
|
42
|
|||
|
2026/01
|
45
|
22
|
41
|
67
|
22
|
31
|
43
|
58
|
72
|
85
|
92
|
86
|
86
|
104
|
96
|
93
|
93
|
81
|
65
|
50
|
20
|
20
|
44
|
59
|
93
|
71
|
31
|
40
|
64
|
48
|
26
|
|
2025/12
|
72
|
66
|
64
|
77
|
70
|
65
|
76
|
55
|
63
|
82
|
105
|
90
|
33
|
43
|
55
|
63
|
62
|
57
|
61
|
53
|
49
|
58
|
54
|
20
|
24
|
53
|
62
|
67
|
73
|
79
|
69
|
|
2025/11
|
21
|
24
|
16
|
10
|
20
|
36
|
42
|
35
|
21
|
17
|
17
|
20
|
37
|
43
|
48
|
52
|
53
|
20
|
18
|
29
|
32
|
44
|
52
|
52
|
47
|
51
|
52
|
57
|
61
|
64
|
|
|
2025/10
|
29
|
30
|
28
|
25
|
30
|
12
|
18
|
31
|
35
|
43
|
40
|
40
|
34
|
24
|
22
|
30
|
40
|
50
|
34
|
16
|
15
|
13
|
22
|
33
|
37
|
34
|
33
|
40
|
53
|
52
|
27
|
|
2025/09
|
28
|
26
|
25
|
25
|
27
|
29
|
37
|
39
|
19
|
23
|
21
|
22
|
24
|
29
|
24
|
26
|
20
|
24
|
35
|
42
|
34
|
26
|
24
|
18
|
11
|
15
|
27
|
28
|
22
|
24
|
|
|
2025/08
|
24
|
27
|
37
|
34
|
33
|
23
|
21
|
31
|
28
|
26
|
28
|
33
|
34
|
34
|
17
|
17
|
25
|
18
|
11
|
20
|
25
|
27
|
30
|
31
|
24
|
23
|
27
|
29
|
33
|
29
|
27
|
|
2025/07
|
20
|
17
|
23
|
28
|
36
|
41
|
34
|
29
|
36
|
22
|
21
|
24
|
28
|
22
|
30
|
31
|
29
|
46
|
43
|
30
|
21
|
13
|
14
|
16
|
26
|
30
|
32
|
38
|
40
|
44
|
29
|
|
2025/06
|
36
|
34
|
25
|
37
|
48
|
36
|
32
|
30
|
23
|
23
|
34
|
30
|
21
|
26
|
32
|
25
|
25
|
28
|
28
|
23
|
24
|
24
|
26
|
26
|
25
|
27
|
24
|
23
|
24
|
19
|
|
|
2025/05
|
33
|
48
|
48
|
42
|
41
|
29
|
39
|
50
|
29
|
30
|
26
|
42
|
48
|
37
|
27
|
25
|
30
|
24
|
22
|
30
|
32
|
30
|
21
|
26
|
36
|
32
|
49
|
45
|
18
|
31
|
37
|
|
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