Air Quality
Excellent
No health implications.
28
PM2.5
46
PM10
66
O3
0.8
CO
5
SO2
30
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Mar
63
Good
Mon
30 Mar
59
Good
Tue
31 Mar
50
Excellent
Wed
1 Apr
62
Good
Thu
2 Apr
53
Good
Fri
3 Apr
55
Good
Sat
4 Apr
48
Excellent
Air quality in the last 12 months (Huadu)
|
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
|
|
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
|
|
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