Air Quality
Excellent
No health implications.
6
PM2.5
13
PM10
31
O3
0.5
CO
4
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Jul
34
Excellent
Thu
24 Jul
36
Excellent
Fri
25 Jul
50
Excellent
Sat
26 Jul
83
Good
Sun
27 Jul
82
Good
Mon
28 Jul
71
Good
Tue
29 Jul
23
Excellent
Air quality in the last 12 months (Long'an)
|
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
|
|
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
|
|
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