Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
40
PM2.5
70
*
PM10
106
O3
0.7
CO
7
SO2
13
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 Apr
55
Good
Sat
20 Apr
49
Excellent
Sun
21 Apr
42
Excellent
Mon
22 Apr
40
Excellent
Tue
23 Apr
43
Excellent
Wed
24 Apr
48
Excellent
Thu
25 Apr
41
Excellent
Air quality in the last 12 months (Long'an)
|
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
|
||
|
2024/01
|
95
|
54
|
28
|
52
|
77
|
93
|
67
|
50
|
46
|
27
|
29
|
24
|
33
|
58
|
57
|
51
|
51
|
46
|
51
|
34
|
18
|
13
|
26
|
43
|
50
|
55
|
53
|
52
|
39
|
37
|
55
|
|
2023/12
|
63
|
59
|
31
|
21
|
40
|
45
|
51
|
57
|
57
|
51
|
50
|
45
|
59
|
50
|
44
|
23
|
29
|
23
|
14
|
31
|
51
|
57
|
64
|
64
|
60
|
75
|
92
|
98
|
90
|
75
|
80
|
|
2023/11
|
49
|
55
|
53
|
38
|
36
|
28
|
22
|
48
|
54
|
46
|
46
|
23
|
11
|
22
|
38
|
23
|
45
|
49
|
54
|
61
|
67
|
72
|
68
|
68
|
73
|
69
|
58
|
61
|
77
|
84
|
|
|
2023/10
|
41
|
42
|
39
|
45
|
49
|
35
|
28
|
26
|
30
|
24
|
27
|
34
|
44
|
40
|
32
|
45
|
52
|
61
|
37
|
22
|
31
|
45
|
52
|
48
|
47
|
51
|
49
|
31
|
23
|
28
|
41
|
|
2023/09
|
40
|
36
|
24
|
17
|
31
|
40
|
36
|
26
|
25
|
25
|
23
|
16
|
16
|
19
|
26
|
32
|
28
|
28
|
27
|
30
|
32
|
39
|
42
|
45
|
44
|
40
|
39
|
32
|
35
|
39
|
|
|
2023/08
|
27
|
26
|
28
|
24
|
23
|
20
|
22
|
22
|
28
|
36
|
29
|
32
|
38
|
30
|
27
|
32
|
39
|
42
|
40
|
31
|
32
|
34
|
47
|
29
|
30
|
32
|
30
|
20
|
23
|
31
|
36
|
|
2023/07
|
36
|
30
|
26
|
28
|
23
|
23
|
26
|
30
|
30
|
33
|
30
|
32
|
29
|
34
|
36
|
52
|
55
|
26
|
23
|
26
|
28
|
30
|
31
|
35
|
39
|
47
|
52
|
49
|
41
|
35
|
22
|
|
2023/06
|
50
|
41
|
41
|
39
|
33
|
26
|
30
|
24
|
30
|
37
|
44
|
46
|
43
|
38
|
43
|
33
|
30
|
30
|
25
|
31
|
33
|
22
|
20
|
20
|
15
|
17
|
22
|
28
|
27
|
30
|
|
|
2023/05
|
71
|
45
|
38
|
38
|
49
|
56
|
37
|
20
|
31
|
36
|
18
|
28
|
31
|
41
|
51
|
45
|
53
|
59
|
56
|
58
|
60
|
58
|
36
|
36
|
45
|
36
|
33
|
29
|
34
|
52
|
56
|
|
2023/04
|
51
|
45
|
55
|
57
|
75
|
46
|
29
|
63
|
63
|
26
|
43
|
49
|
42
|
51
|
44
|
50
|
59
|
55
|
52
|
56
|
78
|
62
|
60
|
41
|
22
|
39
|
47
|
40
|
30
|
60
|
|
|
2023/03
|
68
|
78
|
72
|
45
|
79
|
79
|
59
|
61
|
56
|
61
|
51
|
67
|
81
|
77
|
68
|
56
|
52
|
55
|
49
|
47
|
47
|
66
|
77
|
61
|
40
|
31
|
26
|
38
|
31
|
39
|
56
|
|
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