Air Quality
Excellent
No health implications.
15
PM2.5
28
PM10
55
O3
0.6
CO
11
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Aug
50
Excellent
Sun
16 Aug
52
Good
Mon
17 Aug
46
Excellent
Tue
18 Aug
40
Excellent
Wed
19 Aug
38
Excellent
Thu
20 Aug
24
Excellent
Fri
21 Aug
44
Excellent
Air quality in the last 12 months (Long'an)
|
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
|
|
|
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
|
|
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