Air Quality
Excellent
No health implications.
31
PM2.5
34
PM10
17
O3
0.6
CO
9
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Sep
57
Good
Wed
9 Sep
55
Good
Thu
10 Sep
63
Good
Fri
11 Sep
56
Good
Sat
12 Sep
61
Good
Sun
13 Sep
18
Excellent
Mon
14 Sep
27
Excellent
Air quality in the last 12 months (Long'an)
|
2026/08
|
21
|
26
|
24
|
22
|
18
|
21
|
35
|
34
|
36
|
37
|
34
|
41
|
35
|
29
|
28
|
30
|
32
|
30
|
27
|
27
|
23
|
25
|
21
|
23
|
26
|
19
|
18
|
27
|
22
|
30
|
29
|
|
2026/07
|
22
|
29
|
24
|
16
|
13
|
18
|
17
|
18
|
26
|
23
|
28
|
36
|
35
|
41
|
35
|
21
|
32
|
31
|
27
|
27
|
31
|
34
|
29
|
32
|
43
|
40
|
49
|
31
|
27
|
18
|
19
|
|
2026/06
|
45
|
40
|
33
|
33
|
30
|
35
|
30
|
26
|
24
|
30
|
44
|
52
|
31
|
27
|
31
|
29
|
24
|
26
|
27
|
24
|
28
|
33
|
35
|
32
|
24
|
22
|
25
|
33
|
26
|
21
|
|
|
2026/05
|
44
|
45
|
24
|
30
|
45
|
38
|
35
|
31
|
30
|
40
|
44
|
50
|
39
|
43
|
47
|
30
|
18
|
20
|
21
|
25
|
19
|
27
|
36
|
35
|
32
|
37
|
38
|
32
|
32
|
29
|
44
|
|
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
|
|
|
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