Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
68
O3
0.6
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
52
Good
Sat
26 Apr
57
Good
Sun
27 Apr
63
Good
Mon
28 Apr
61
Good
Tue
29 Apr
88
Good
Wed
30 Apr
77
Good
Thu
1 May
21
Excellent
Air quality in the last 12 months (Huadu)
|
2025/02
|
61
|
41
|
10
|
32
|
41
|
39
|
21
|
51
|
26
|
46
|
53
|
61
|
38
|
54
|
48
|
57
|
40
|
47
|
51
|
55
|
27
|
35
|
16
|
30
|
50
|
56
|
65
|
59
|
|||
|
2025/01
|
78
|
71
|
60
|
65
|
80
|
80
|
76
|
67
|
62
|
43
|
36
|
45
|
65
|
72
|
59
|
57
|
51
|
59
|
60
|
64
|
77
|
65
|
73
|
43
|
32
|
19
|
27
|
47
|
68
|
100
|
55
|
|
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
|
|
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