Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
36
PM2.5
58
PM10
165
O3
0.7
CO
12
SO2
15
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
21 Mar
90
Good
Sat
22 Mar
85
Good
Sun
23 Mar
83
Good
Mon
24 Mar
82
Good
Tue
25 Mar
63
Good
Wed
26 Mar
58
Good
Thu
27 Mar
44
Excellent
Air quality in the last 12 months (Long'an)
|
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
|
|
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
|
|
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