Air Quality
Excellent
No health implications.
18
PM2.5
50
PM10
36
O3
0.5
CO
6
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
54
Good
Sat
20 Apr
67
Good
Sun
21 Apr
60
Good
Mon
22 Apr
60
Good
Tue
23 Apr
65
Good
Wed
24 Apr
57
Good
Thu
25 Apr
57
Good
Air quality in the last 12 months (Xiapu)
|
2024/02
|
49
|
19
|
24
|
14
|
16
|
30
|
15
|
35
|
70
|
108
|
55
|
58
|
53
|
66
|
62
|
20
|
29
|
48
|
53
|
45
|
37
|
11
|
13
|
18
|
21
|
39
|
32
|
48
|
47
|
||
|
2024/01
|
113
|
65
|
46
|
45
|
52
|
54
|
118
|
79
|
62
|
62
|
100
|
80
|
51
|
40
|
89
|
42
|
36
|
38
|
57
|
42
|
20
|
21
|
29
|
32
|
47
|
60
|
85
|
84
|
83
|
42
|
40
|
|
2023/12
|
58
|
49
|
56
|
37
|
25
|
34
|
40
|
51
|
53
|
41
|
65
|
31
|
41
|
39
|
44
|
18
|
33
|
43
|
18
|
27
|
49
|
44
|
50
|
42
|
49
|
57
|
45
|
39
|
42
|
59
|
83
|
|
2023/11
|
26
|
31
|
26
|
27
|
31
|
37
|
29
|
40
|
41
|
22
|
15
|
15
|
26
|
35
|
42
|
33
|
50
|
55
|
48
|
43
|
37
|
35
|
37
|
93
|
41
|
32
|
44
|
52
|
54
|
64
|
|
|
2023/10
|
22
|
35
|
33
|
33
|
29
|
23
|
13
|
15
|
18
|
26
|
23
|
28
|
31
|
39
|
48
|
53
|
51
|
47
|
42
|
26
|
25
|
29
|
27
|
27
|
33
|
27
|
32
|
36
|
35
|
31
|
27
|
|
2023/09
|
25
|
20
|
17
|
21
|
13
|
28
|
28
|
26
|
29
|
31
|
29
|
25
|
28
|
32
|
26
|
33
|
30
|
28
|
18
|
17
|
21
|
20
|
23
|
26
|
25
|
25
|
27
|
29
|
26
|
27
|
|
|
2023/08
|
28
|
25
|
21
|
25
|
38
|
42
|
41
|
30
|
31
|
37
|
34
|
21
|
25
|
32
|
31
|
29
|
31
|
32
|
23
|
24
|
31
|
25
|
24
|
31
|
21
|
17
|
16
|
22
|
22
|
20
|
23
|
|
2023/07
|
25
|
24
|
24
|
21
|
25
|
36
|
37
|
37
|
48
|
39
|
32
|
29
|
33
|
25
|
18
|
14
|
16
|
26
|
26
|
24
|
27
|
26
|
26
|
28
|
17
|
16
|
16
|
21
|
18
|
24
|
28
|
|
2023/06
|
23
|
36
|
53
|
46
|
44
|
41
|
32
|
29
|
22
|
31
|
37
|
39
|
36
|
28
|
40
|
31
|
28
|
30
|
28
|
38
|
29
|
29
|
29
|
34
|
30
|
21
|
27
|
29
|
32
|
17
|
|
|
2023/05
|
54
|
43
|
40
|
46
|
31
|
31
|
24
|
31
|
38
|
36
|
38
|
50
|
51
|
57
|
59
|
49
|
37
|
36
|
36
|
32
|
43
|
34
|
54
|
55
|
50
|
44
|
33
|
24
|
14
|
18
|
23
|
|
2023/04
|
37
|
45
|
49
|
55
|
47
|
24
|
32
|
59
|
36
|
33
|
47
|
68
|
123
|
75
|
50
|
63
|
57
|
54
|
27
|
25
|
30
|
54
|
60
|
54
|
23
|
40
|
47
|
47
|
59
|
46
|
|
|
2023/03
|
46
|
76
|
46
|
47
|
58
|
53
|
50
|
42
|
52
|
47
|
45
|
48
|
60
|
40
|
40
|
49
|
50
|
40
|
37
|
41
|
67
|
86
|
42
|
31
|
25
|
41
|
57
|
56
|
44
|
30
|
35
|
|
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