Air Quality
Excellent
No health implications.
18
PM2.5
25
PM10
79
O3
0.7
CO
6
SO2
35
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Apr
48
Excellent
Sat
27 Apr
44
Excellent
Sun
28 Apr
51
Good
Mon
29 Apr
47
Excellent
Tue
30 Apr
47
Excellent
Wed
1 May
51
Good
Thu
2 May
52
Good
Air quality in the last 12 months (Huadu)
|
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
|
|
2023/12
|
51
|
41
|
47
|
34
|
29
|
32
|
40
|
74
|
82
|
57
|
60
|
35
|
44
|
62
|
73
|
20
|
29
|
26
|
11
|
24
|
29
|
55
|
41
|
34
|
36
|
62
|
75
|
70
|
70
|
89
|
83
|
|
2023/11
|
54
|
84
|
82
|
84
|
57
|
49
|
38
|
73
|
71
|
49
|
19
|
18
|
20
|
23
|
31
|
25
|
47
|
58
|
63
|
69
|
76
|
88
|
79
|
55
|
77
|
70
|
70
|
54
|
69
|
41
|
|
|
2023/10
|
44
|
27
|
45
|
47
|
33
|
33
|
22
|
17
|
14
|
15
|
24
|
36
|
34
|
51
|
50
|
45
|
50
|
48
|
38
|
24
|
20
|
23
|
38
|
51
|
77
|
83
|
70
|
39
|
50
|
46
|
43
|
|
2023/09
|
22
|
28
|
28
|
31
|
33
|
25
|
13
|
17
|
24
|
18
|
18
|
25
|
25
|
19
|
14
|
25
|
31
|
50
|
56
|
44
|
65
|
49
|
59
|
36
|
29
|
37
|
51
|
44
|
42
|
41
|
|
|
2023/08
|
34
|
60
|
76
|
38
|
32
|
35
|
41
|
33
|
39
|
38
|
31
|
46
|
36
|
39
|
31
|
46
|
42
|
46
|
80
|
33
|
34
|
42
|
34
|
24
|
34
|
42
|
38
|
27
|
20
|
24
|
25
|
|
2023/07
|
29
|
25
|
22
|
28
|
37
|
25
|
24
|
30
|
27
|
31
|
32
|
34
|
41
|
46
|
59
|
32
|
16
|
21
|
30
|
31
|
52
|
41
|
44
|
42
|
47
|
47
|
28
|
27
|
50
|
20
|
34
|
|
2023/06
|
57
|
73
|
67
|
33
|
30
|
29
|
24
|
21
|
30
|
31
|
33
|
47
|
46
|
36
|
32
|
26
|
19
|
23
|
28
|
37
|
33
|
28
|
23
|
24
|
29
|
32
|
39
|
30
|
55
|
35
|
|
|
2023/05
|
67
|
51
|
42
|
34
|
36
|
40
|
24
|
33
|
45
|
53
|
42
|
17
|
36
|
50
|
78
|
47
|
27
|
59
|
43
|
49
|
38
|
40
|
27
|
38
|
45
|
33
|
39
|
51
|
67
|
61
|
42
|
|
2023/04
|
25
|
39
|
43
|
38
|
30
|
26
|
26
|
65
|
66
|
66
|
65
|
68
|
52
|
65
|
46
|
74
|
59
|
46
|
42
|
66
|
35
|
42
|
44
|
31
|
14
|
25
|
47
|
49
|
35
|
38
|
|
|
2023/03
|
93
|
62
|
105
|
67
|
78
|
76
|
66
|
72
|
72
|
85
|
68
|
54
|
88
|
98
|
68
|
80
|
64
|
74
|
45
|
47
|
48
|
52
|
49
|
26
|
23
|
12
|
15
|
20
|
17
|
19
|
16
|
|
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