Air Quality
Excellent
No health implications.
10
PM2.5
19
PM10
52
O3
0.8
CO
10
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Mar
39
Excellent
Sun
26 Mar
58
Good
Mon
27 Mar
53
Good
Tue
28 Mar
56
Good
Wed
29 Mar
62
Good
Thu
30 Mar
60
Good
Fri
31 Mar
56
Good
Air quality in the last 12 months (Guangchang)
|
2023/02
|
51
|
64
|
45
|
32
|
28
|
24
|
36
|
26
|
17
|
28
|
20
|
32
|
19
|
21
|
31
|
40
|
45
|
49
|
54
|
73
|
56
|
48
|
53
|
56
|
45
|
74
|
44
|
47
|
|||
|
2023/01
|
45
|
50
|
56
|
47
|
41
|
44
|
49
|
53
|
34
|
43
|
64
|
43
|
20
|
21
|
15
|
32
|
40
|
48
|
55
|
57
|
69
|
136
|
60
|
56
|
58
|
56
|
61
|
57
|
49
|
46
|
42
|
|
2022/12
|
17
|
23
|
18
|
22
|
12
|
27
|
33
|
40
|
47
|
53
|
77
|
61
|
66
|
61
|
56
|
54
|
39
|
42
|
37
|
49
|
48
|
53
|
51
|
44
|
47
|
50
|
66
|
93
|
81
|
72
|
57
|
|
2022/11
|
39
|
33
|
25
|
24
|
27
|
38
|
35
|
42
|
43
|
39
|
41
|
42
|
54
|
55
|
40
|
31
|
27
|
34
|
30
|
30
|
42
|
38
|
23
|
26
|
32
|
36
|
26
|
23
|
21
|
14
|
|
|
2022/10
|
34
|
30
|
34
|
43
|
56
|
34
|
28
|
29
|
26
|
37
|
39
|
46
|
45
|
46
|
45
|
50
|
46
|
46
|
43
|
44
|
45
|
49
|
59
|
55
|
48
|
50
|
48
|
38
|
28
|
44
|
42
|
|
2022/09
|
29
|
39
|
35
|
33
|
46
|
41
|
35
|
38
|
55
|
60
|
56
|
51
|
51
|
33
|
31
|
39
|
47
|
57
|
44
|
48
|
44
|
46
|
49
|
62
|
59
|
55
|
48
|
49
|
48
|
45
|
|
|
2022/08
|
39
|
40
|
33
|
21
|
17
|
17
|
23
|
22
|
23
|
25
|
26
|
21
|
21
|
27
|
33
|
35
|
28
|
29
|
24
|
20
|
19
|
24
|
34
|
38
|
29
|
20
|
29
|
37
|
32
|
40
|
37
|
|
2022/07
|
22
|
18
|
18
|
19
|
16
|
21
|
20
|
21
|
22
|
26
|
29
|
33
|
34
|
42
|
41
|
37
|
33
|
28
|
27
|
23
|
27
|
33
|
31
|
36
|
40
|
43
|
50
|
46
|
44
|
33
|
38
|
|
2022/06
|
30
|
24
|
23
|
20
|
24
|
31
|
39
|
23
|
16
|
18
|
21
|
23
|
17
|
22
|
28
|
24
|
15
|
21
|
18
|
21
|
22
|
24
|
28
|
28
|
31
|
30
|
23
|
24
|
25
|
22
|
|
|
2022/05
|
28
|
38
|
49
|
44
|
42
|
48
|
55
|
51
|
33
|
26
|
33
|
33
|
20
|
23
|
27
|
31
|
39
|
45
|
52
|
53
|
44
|
32
|
21
|
18
|
26
|
29
|
27
|
26
|
31
|
27
|
26
|
|
2022/04
|
25
|
27
|
44
|
49
|
53
|
55
|
53
|
51
|
47
|
52
|
55
|
44
|
34
|
23
|
33
|
23
|
33
|
31
|
36
|
47
|
37
|
35
|
27
|
40
|
34
|
26
|
30
|
34
|
23
|
20
|
|
|
2022/03
|
56
|
54
|
64
|
59
|
51
|
36
|
25
|
28
|
38
|
43
|
45
|
50
|
48
|
46
|
42
|
56
|
38
|
22
|
36
|
46
|
30
|
16
|
18
|
26
|
20
|
19
|
33
|
26
|
29
|
27
|
25
|
|
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