Air Quality
Excellent
No health implications.
6
PM2.5
10
PM10
29
O3
0.7
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Feb
39
Excellent
Sat
8 Feb
43
Excellent
Sun
9 Feb
61
Good
Mon
10 Feb
73
Good
Tue
11 Feb
63
Good
Wed
12 Feb
21
Excellent
Thu
13 Feb
27
Excellent
Air quality in the last 12 months (Long'an)
|
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
|
|
2024/11
|
46
|
48
|
59
|
62
|
56
|
61
|
62
|
60
|
59
|
59
|
61
|
63
|
69
|
72
|
69
|
65
|
62
|
48
|
36
|
31
|
36
|
36
|
45
|
55
|
68
|
19
|
35
|
33
|
43
|
59
|
|
|
2024/10
|
19
|
20
|
40
|
53
|
58
|
58
|
55
|
54
|
45
|
47
|
54
|
60
|
59
|
46
|
19
|
36
|
32
|
33
|
34
|
33
|
47
|
48
|
25
|
38
|
38
|
41
|
33
|
28
|
37
|
49
|
48
|
|
2024/09
|
32
|
40
|
32
|
36
|
43
|
39
|
16
|
17
|
22
|
20
|
24
|
33
|
42
|
44
|
48
|
35
|
28
|
35
|
37
|
41
|
35
|
24
|
29
|
41
|
52
|
56
|
57
|
52
|
34
|
35
|
|
|
2024/08
|
19
|
22
|
22
|
25
|
31
|
34
|
39
|
33
|
32
|
38
|
22
|
26
|
25
|
30
|
29
|
32
|
30
|
29
|
34
|
30
|
32
|
28
|
27
|
30
|
28
|
34
|
37
|
41
|
40
|
42
|
40
|
|
2024/07
|
35
|
19
|
21
|
28
|
22
|
22
|
24
|
24
|
28
|
27
|
27
|
27
|
27
|
23
|
30
|
31
|
25
|
18
|
19
|
25
|
32
|
33
|
24
|
18
|
26
|
37
|
45
|
30
|
23
|
17
|
15
|
|
2024/06
|
34
|
45
|
31
|
22
|
17
|
34
|
29
|
25
|
18
|
19
|
31
|
32
|
36
|
34
|
30
|
33
|
33
|
19
|
32
|
29
|
33
|
29
|
27
|
19
|
15
|
15
|
22
|
21
|
25
|
28
|
|
|
2024/05
|
23
|
27
|
27
|
33
|
31
|
35
|
43
|
41
|
24
|
28
|
38
|
29
|
44
|
55
|
45
|
50
|
51
|
50
|
18
|
25
|
34
|
35
|
45
|
53
|
45
|
24
|
34
|
21
|
37
|
23
|
21
|
|
2024/04
|
65
|
69
|
77
|
67
|
32
|
36
|
25
|
22
|
43
|
47
|
50
|
53
|
51
|
57
|
55
|
47
|
50
|
37
|
53
|
49
|
27
|
35
|
34
|
47
|
60
|
55
|
66
|
53
|
69
|
68
|
|
|
2024/03
|
32
|
56
|
81
|
64
|
65
|
46
|
63
|
72
|
55
|
25
|
25
|
46
|
34
|
20
|
22
|
48
|
57
|
56
|
24
|
69
|
75
|
55
|
47
|
49
|
54
|
51
|
61
|
50
|
52
|
58
|
61
|
|
2024/02
|
51
|
46
|
47
|
45
|
27
|
19
|
16
|
21
|
31
|
102
|
58
|
61
|
62
|
61
|
53
|
29
|
60
|
46
|
50
|
51
|
56
|
50
|
21
|
15
|
20
|
21
|
24
|
17
|
15
|
||
|
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