Air Quality
Excellent
No health implications.
10
PM2.5
16
PM10
41
O3
0.9
CO
6
SO2
31
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
53
Good
Fri
15 May
56
Good
Sat
16 May
55
Good
Sun
17 May
56
Good
Mon
18 May
56
Good
Tue
19 May
58
Good
Wed
20 May
21
Excellent
Air quality in the last 12 months (Huadu)
|
2026/04
|
26
|
45
|
48
|
22
|
45
|
39
|
49
|
36
|
43
|
35
|
44
|
36
|
34
|
37
|
32
|
34
|
33
|
39
|
70
|
45
|
35
|
33
|
16
|
24
|
37
|
77
|
53
|
38
|
23
|
25
|
|
|
2026/03
|
21
|
32
|
12
|
19
|
27
|
39
|
37
|
58
|
44
|
20
|
38
|
44
|
47
|
53
|
61
|
54
|
47
|
48
|
58
|
40
|
38
|
46
|
51
|
47
|
70
|
43
|
45
|
42
|
35
|
31
|
34
|
|
2026/02
|
22
|
30
|
54
|
70
|
59
|
52
|
34
|
38
|
46
|
52
|
39
|
36
|
43
|
47
|
29
|
36
|
33
|
28
|
43
|
43
|
70
|
45
|
69
|
58
|
51
|
29
|
36
|
18
|
|||
|
2026/01
|
61
|
20
|
38
|
62
|
46
|
36
|
42
|
32
|
42
|
51
|
39
|
72
|
73
|
75
|
92
|
103
|
104
|
94
|
113
|
65
|
32
|
34
|
48
|
55
|
71
|
74
|
60
|
42
|
55
|
44
|
26
|
|
2025/12
|
55
|
41
|
55
|
63
|
64
|
70
|
73
|
54
|
57
|
69
|
61
|
63
|
30
|
29
|
50
|
62
|
45
|
51
|
58
|
44
|
59
|
68
|
70
|
60
|
14
|
48
|
41
|
50
|
62
|
57
|
58
|
|
2025/11
|
30
|
38
|
31
|
12
|
19
|
23
|
39
|
50
|
18
|
16
|
17
|
22
|
20
|
33
|
40
|
48
|
46
|
39
|
23
|
29
|
29
|
38
|
44
|
44
|
44
|
61
|
53
|
62
|
70
|
61
|
|
|
2025/10
|
54
|
26
|
30
|
41
|
21
|
23
|
38
|
38
|
52
|
53
|
42
|
35
|
29
|
28
|
40
|
49
|
51
|
51
|
42
|
18
|
20
|
23
|
30
|
42
|
43
|
49
|
54
|
53
|
58
|
36
|
40
|
|
2025/09
|
36
|
35
|
39
|
35
|
33
|
41
|
33
|
12
|
22
|
25
|
36
|
29
|
29
|
41
|
36
|
27
|
39
|
30
|
23
|
14
|
18
|
37
|
31
|
13
|
20
|
29
|
37
|
40
|
40
|
50
|
|
|
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
|
|
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