Air Quality
Excellent
No health implications.
13
PM2.5
22
PM10
32
O3
0.9
CO
7
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
48
Excellent
Mon
21 Apr
45
Excellent
Tue
22 Apr
60
Good
Wed
23 Apr
59
Good
Thu
24 Apr
58
Good
Fri
25 Apr
64
Good
Sat
26 Apr
24
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