Air Quality
Excellent
No health implications.
13
PM2.5
19
PM10
76
O3
0.5
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Sep
61
Good
Sat
20 Sep
51
Good
Sun
21 Sep
54
Good
Mon
22 Sep
73
Good
Tue
23 Sep
76
Good
Wed
24 Sep
60
Good
Thu
25 Sep
31
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