Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
28
O3
0.9
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Feb
50
Excellent
Tue
4 Feb
52
Good
Wed
5 Feb
60
Good
Thu
6 Feb
60
Good
Fri
7 Feb
60
Good
Sat
8 Feb
56
Good
Sun
9 Feb
24
Excellent
Air quality in the last 12 months (Huadu)
|
2024/12
|
66
|
75
|
66
|
62
|
68
|
67
|
42
|
31
|
61
|
59
|
52
|
24
|
35
|
60
|
48
|
44
|
51
|
40
|
58
|
55
|
45
|
58
|
65
|
63
|
53
|
63
|
80
|
74
|
77
|
89
|
72
|
|
2024/11
|
41
|
37
|
44
|
50
|
36
|
52
|
39
|
39
|
46
|
52
|
40
|
34
|
41
|
28
|
15
|
21
|
25
|
19
|
16
|
23
|
28
|
30
|
32
|
42
|
25
|
16
|
31
|
37
|
35
|
45
|
|
|
2024/10
|
26
|
20
|
36
|
32
|
37
|
39
|
45
|
69
|
49
|
25
|
38
|
55
|
59
|
58
|
52
|
46
|
44
|
52
|
42
|
26
|
26
|
24
|
19
|
29
|
37
|
41
|
31
|
14
|
22
|
36
|
39
|
|
2024/09
|
32
|
46
|
33
|
31
|
28
|
13
|
14
|
17
|
19
|
27
|
46
|
43
|
33
|
28
|
14
|
25
|
33
|
24
|
40
|
28
|
18
|
14
|
17
|
16
|
31
|
37
|
40
|
42
|
45
|
37
|
|
|
2024/08
|
29
|
37
|
34
|
40
|
47
|
51
|
53
|
43
|
36
|
31
|
30
|
41
|
32
|
36
|
20
|
26
|
22
|
20
|
24
|
32
|
19
|
24
|
37
|
48
|
37
|
41
|
43
|
42
|
25
|
28
|
28
|
|
2024/07
|
29
|
27
|
20
|
25
|
28
|
24
|
20
|
26
|
23
|
24
|
27
|
23
|
18
|
35
|
25
|
25
|
27
|
29
|
26
|
26
|
25
|
29
|
36
|
32
|
40
|
38
|
20
|
16
|
19
|
16
|
21
|
|
2024/06
|
12
|
19
|
27
|
24
|
19
|
14
|
23
|
20
|
23
|
20
|
23
|
36
|
30
|
27
|
18
|
23
|
28
|
27
|
31
|
29
|
26
|
36
|
18
|
20
|
19
|
27
|
37
|
21
|
25
|
27
|
|
|
2024/05
|
16
|
24
|
34
|
26
|
33
|
48
|
34
|
26
|
45
|
51
|
47
|
31
|
30
|
61
|
53
|
62
|
66
|
36
|
21
|
13
|
12
|
23
|
30
|
16
|
26
|
24
|
29
|
24
|
21
|
34
|
20
|
|
2024/04
|
48
|
53
|
44
|
37
|
14
|
21
|
13
|
15
|
24
|
47
|
60
|
60
|
57
|
41
|
48
|
42
|
47
|
36
|
29
|
21
|
19
|
37
|
28
|
30
|
24
|
34
|
28
|
23
|
30
|
25
|
|
|
2024/03
|
22
|
26
|
52
|
52
|
48
|
31
|
28
|
38
|
50
|
18
|
19
|
35
|
70
|
47
|
46
|
67
|
67
|
64
|
18
|
71
|
64
|
66
|
54
|
44
|
48
|
36
|
52
|
51
|
42
|
48
|
46
|
|
2024/02
|
47
|
37
|
31
|
29
|
18
|
15
|
11
|
12
|
28
|
62
|
90
|
85
|
59
|
55
|
47
|
32
|
37
|
32
|
37
|
26
|
37
|
22
|
14
|
19
|
17
|
21
|
18
|
38
|
17
|
||
|
2024/01
|
90
|
74
|
25
|
46
|
87
|
81
|
53
|
70
|
55
|
27
|
44
|
62
|
99
|
82
|
69
|
66
|
61
|
43
|
64
|
38
|
19
|
15
|
37
|
37
|
38
|
37
|
43
|
41
|
56
|
66
|
64
|
|
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