Air Quality
Excellent
No health implications.
25
PM2.5
39
PM10
113
O3
0.7
CO
6
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
62
Good
Fri
2 May
62
Good
Sat
3 May
69
Good
Sun
4 May
48
Excellent
Mon
5 May
46
Excellent
Tue
6 May
53
Good
Wed
7 May
17
Excellent
Air quality in the last 12 months (Guangchang)
|
2025/02
|
33
|
22
|
32
|
46
|
39
|
50
|
49
|
53
|
33
|
44
|
54
|
77
|
64
|
64
|
57
|
41
|
44
|
49
|
41
|
22
|
22
|
19
|
19
|
30
|
55
|
61
|
48
|
39
|
|||
|
2025/01
|
98
|
77
|
80
|
82
|
88
|
88
|
66
|
62
|
58
|
41
|
46
|
50
|
55
|
54
|
64
|
55
|
49
|
57
|
57
|
59
|
58
|
58
|
52
|
75
|
48
|
17
|
46
|
70
|
109
|
59
|
46
|
|
2024/12
|
44
|
46
|
53
|
73
|
60
|
50
|
40
|
58
|
59
|
57
|
36
|
41
|
58
|
56
|
51
|
51
|
52
|
59
|
62
|
61
|
63
|
71
|
62
|
67
|
75
|
74
|
99
|
80
|
71
|
72
|
77
|
|
2024/11
|
24
|
31
|
40
|
48
|
55
|
48
|
43
|
42
|
48
|
50
|
42
|
41
|
44
|
46
|
29
|
25
|
33
|
23
|
29
|
36
|
36
|
30
|
44
|
52
|
40
|
25
|
36
|
38
|
42
|
44
|
|
|
2024/10
|
32
|
30
|
36
|
31
|
34
|
35
|
32
|
21
|
23
|
33
|
49
|
49
|
47
|
61
|
59
|
31
|
32
|
37
|
29
|
25
|
34
|
38
|
30
|
42
|
46
|
44
|
20
|
15
|
38
|
45
|
38
|
|
2024/09
|
41
|
42
|
45
|
36
|
34
|
27
|
19
|
20
|
22
|
28
|
34
|
31
|
35
|
35
|
32
|
31
|
30
|
31
|
31
|
25
|
25
|
23
|
24
|
25
|
31
|
30
|
35
|
30
|
31
|
30
|
|
|
2024/08
|
21
|
26
|
30
|
39
|
24
|
34
|
30
|
27
|
33
|
38
|
31
|
25
|
25
|
23
|
27
|
26
|
20
|
19
|
22
|
26
|
19
|
20
|
30
|
33
|
30
|
31
|
35
|
27
|
30
|
41
|
40
|
|
2024/07
|
25
|
22
|
23
|
22
|
26
|
22
|
20
|
19
|
26
|
27
|
28
|
23
|
21
|
23
|
25
|
27
|
19
|
19
|
18
|
19
|
22
|
26
|
31
|
34
|
30
|
16
|
14
|
17
|
18
|
22
|
18
|
|
2024/06
|
19
|
16
|
22
|
26
|
23
|
26
|
31
|
36
|
29
|
29
|
22
|
25
|
24
|
21
|
22
|
20
|
19
|
27
|
31
|
25
|
24
|
28
|
32
|
22
|
20
|
26
|
26
|
28
|
21
|
23
|
|
|
2024/05
|
23
|
29
|
36
|
30
|
22
|
28
|
41
|
49
|
51
|
53
|
44
|
39
|
53
|
44
|
43
|
55
|
51
|
51
|
46
|
29
|
19
|
20
|
27
|
24
|
20
|
22
|
24
|
25
|
31
|
38
|
27
|
|
2024/04
|
26
|
40
|
31
|
23
|
24
|
26
|
29
|
31
|
30
|
39
|
49
|
55
|
54
|
52
|
54
|
50
|
27
|
27
|
20
|
22
|
27
|
33
|
35
|
38
|
31
|
33
|
35
|
29
|
34
|
20
|
|
|
2024/03
|
29
|
34
|
35
|
46
|
43
|
26
|
41
|
51
|
51
|
56
|
43
|
40
|
56
|
45
|
26
|
29
|
43
|
26
|
33
|
60
|
60
|
53
|
46
|
43
|
34
|
23
|
39
|
27
|
35
|
42
|
29
|
|
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