Air Quality
Excellent
No health implications.
8
PM2.5
18
PM10
72
O3
0.8
CO
9
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
46
Excellent
Sun
21 Apr
35
Excellent
Mon
22 Apr
33
Excellent
Tue
23 Apr
47
Excellent
Wed
24 Apr
55
Good
Thu
25 Apr
41
Excellent
Fri
26 Apr
40
Excellent
Air quality in the last 12 months (Guangchang)
|
2024/02
|
44
|
22
|
19
|
19
|
28
|
23
|
28
|
46
|
69
|
127
|
66
|
47
|
42
|
49
|
39
|
22
|
32
|
31
|
30
|
32
|
28
|
18
|
21
|
27
|
30
|
25
|
45
|
30
|
23
|
||
|
2024/01
|
85
|
94
|
45
|
49
|
53
|
57
|
63
|
83
|
57
|
48
|
46
|
46
|
50
|
54
|
111
|
89
|
69
|
71
|
38
|
23
|
36
|
26
|
34
|
38
|
45
|
49
|
50
|
51
|
52
|
32
|
48
|
|
2023/12
|
46
|
45
|
46
|
40
|
28
|
38
|
41
|
44
|
49
|
50
|
42
|
22
|
31
|
37
|
28
|
27
|
38
|
29
|
25
|
37
|
51
|
48
|
49
|
50
|
52
|
55
|
60
|
66
|
92
|
90
|
100
|
|
2023/11
|
43
|
37
|
41
|
47
|
47
|
29
|
32
|
34
|
38
|
26
|
15
|
19
|
33
|
42
|
44
|
36
|
63
|
60
|
57
|
48
|
42
|
44
|
49
|
61
|
57
|
58
|
56
|
53
|
54
|
61
|
|
|
2023/10
|
34
|
32
|
41
|
38
|
32
|
32
|
17
|
15
|
18
|
24
|
27
|
34
|
42
|
50
|
51
|
48
|
50
|
51
|
46
|
19
|
27
|
34
|
37
|
41
|
56
|
56
|
45
|
31
|
31
|
37
|
49
|
|
2023/09
|
27
|
30
|
33
|
32
|
28
|
23
|
24
|
28
|
29
|
33
|
25
|
25
|
26
|
17
|
17
|
21
|
24
|
26
|
30
|
32
|
34
|
31
|
32
|
36
|
34
|
36
|
40
|
39
|
39
|
44
|
|
|
2023/08
|
18
|
31
|
30
|
36
|
37
|
35
|
35
|
29
|
24
|
33
|
34
|
22
|
24
|
27
|
31
|
32
|
34
|
43
|
41
|
31
|
26
|
20
|
27
|
31
|
37
|
27
|
23
|
23
|
20
|
22
|
22
|
|
2023/07
|
30
|
23
|
17
|
18
|
20
|
23
|
20
|
23
|
29
|
28
|
29
|
29
|
29
|
32
|
40
|
33
|
25
|
21
|
18
|
20
|
20
|
22
|
20
|
24
|
22
|
23
|
18
|
16
|
22
|
22
|
21
|
|
2023/06
|
36
|
42
|
49
|
43
|
34
|
39
|
28
|
19
|
21
|
26
|
35
|
49
|
50
|
43
|
43
|
25
|
22
|
19
|
19
|
25
|
21
|
26
|
22
|
20
|
22
|
21
|
21
|
20
|
18
|
23
|
|
|
2023/05
|
58
|
43
|
32
|
23
|
29
|
22
|
24
|
32
|
34
|
44
|
38
|
33
|
41
|
50
|
45
|
50
|
34
|
28
|
40
|
42
|
24
|
42
|
47
|
41
|
36
|
32
|
33
|
34
|
36
|
39
|
35
|
|
2023/04
|
40
|
39
|
34
|
28
|
27
|
25
|
33
|
56
|
53
|
55
|
48
|
34
|
39
|
47
|
44
|
56
|
57
|
43
|
29
|
35
|
37
|
32
|
30
|
15
|
16
|
22
|
31
|
40
|
57
|
78
|
|
|
2023/03
|
49
|
65
|
73
|
73
|
55
|
50
|
52
|
60
|
60
|
55
|
55
|
63
|
67
|
56
|
59
|
63
|
45
|
36
|
29
|
34
|
47
|
43
|
28
|
21
|
27
|
30
|
35
|
44
|
42
|
33
|
42
|
|
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