Air Quality
Excellent
No health implications.
6
PM2.5
11
PM10
23
O3
0.7
CO
8
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Dec
43
Excellent
Fri
26 Dec
60
Good
Sat
27 Dec
66
Good
Sun
28 Dec
73
Good
Mon
29 Dec
79
Good
Tue
30 Dec
38
Excellent
Wed
31 Dec
24
Excellent
Air quality in the last 12 months (Long'an)
|
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
|
|
2025/04
|
41
|
59
|
64
|
48
|
65
|
99
|
85
|
72
|
55
|
53
|
52
|
46
|
149
|
145
|
105
|
92
|
80
|
67
|
55
|
46
|
43
|
49
|
36
|
38
|
33
|
39
|
44
|
29
|
47
|
44
|
|
|
2025/03
|
46
|
45
|
58
|
59
|
39
|
24
|
35
|
47
|
52
|
58
|
60
|
36
|
37
|
39
|
22
|
20
|
51
|
33
|
39
|
54
|
67
|
74
|
70
|
80
|
88
|
66
|
65
|
79
|
37
|
17
|
27
|
|
2025/02
|
48
|
28
|
18
|
39
|
76
|
34
|
13
|
35
|
59
|
74
|
108
|
75
|
31
|
83
|
52
|
32
|
48
|
26
|
41
|
40
|
17
|
28
|
14
|
28
|
47
|
22
|
40
|
53
|
|||
|
2025/01
|
110
|
107
|
95
|
101
|
80
|
94
|
110
|
99
|
63
|
28
|
46
|
59
|
77
|
84
|
82
|
72
|
82
|
96
|
92
|
100
|
95
|
78
|
90
|
64
|
49
|
12
|
38
|
51
|
119
|
77
|
63
|
|
2024/12
|
74
|
80
|
74
|
71
|
73
|
63
|
27
|
27
|
55
|
83
|
39
|
29
|
40
|
47
|
45
|
59
|
77
|
74
|
65
|
83
|
93
|
89
|
97
|
98
|
101
|
88
|
77
|
55
|
86
|
114
|
103
|
|
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