Air Quality
Excellent
No health implications.
34
PM2.5
50
PM10
91
O3
0.5
CO
6
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Oct
59
Good
Tue
28 Oct
57
Good
Wed
29 Oct
65
Good
Thu
30 Oct
71
Good
Fri
31 Oct
62
Good
Sat
1 Nov
62
Good
Sun
2 Nov
35
Excellent
Air quality in the last 12 months (Huadu)
|
2025/08
|
33
|
38
|
40
|
34
|
25
|
24
|
33
|
41
|
47
|
34
|
30
|
32
|
32
|
26
|
16
|
24
|
25
|
17
|
19
|
34
|
28
|
35
|
42
|
30
|
28
|
32
|
40
|
35
|
30
|
33
|
23
|
|
2025/07
|
18
|
23
|
39
|
56
|
50
|
45
|
45
|
30
|
30
|
22
|
16
|
34
|
30
|
41
|
39
|
40
|
40
|
48
|
20
|
11
|
13
|
19
|
18
|
26
|
20
|
26
|
48
|
44
|
40
|
38
|
34
|
|
2025/06
|
43
|
37
|
15
|
29
|
29
|
40
|
31
|
26
|
34
|
39
|
24
|
21
|
18
|
17
|
21
|
22
|
17
|
24
|
18
|
22
|
21
|
30
|
20
|
20
|
32
|
27
|
19
|
18
|
24
|
22
|
|
|
2025/05
|
32
|
50
|
47
|
31
|
30
|
29
|
27
|
31
|
21
|
31
|
29
|
45
|
52
|
43
|
25
|
23
|
27
|
20
|
26
|
26
|
29
|
28
|
30
|
19
|
45
|
51
|
47
|
56
|
23
|
16
|
36
|
|
2025/04
|
29
|
44
|
72
|
68
|
50
|
68
|
86
|
71
|
65
|
55
|
48
|
54
|
235
|
169
|
106
|
109
|
74
|
67
|
43
|
39
|
36
|
41
|
42
|
22
|
14
|
32
|
37
|
23
|
44
|
55
|
|
|
2025/03
|
37
|
40
|
48
|
25
|
14
|
11
|
25
|
30
|
55
|
67
|
49
|
46
|
42
|
45
|
20
|
14
|
53
|
37
|
40
|
51
|
69
|
74
|
83
|
84
|
72
|
55
|
47
|
42
|
14
|
10
|
15
|
|
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
|
|
|
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