Air Quality
Excellent
No health implications.
18
PM2.5
34
PM10
110
O3
0.2
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
70
Good
Mon
5 May
57
Good
Tue
6 May
55
Good
Wed
7 May
64
Good
Thu
8 May
64
Good
Fri
9 May
49
Excellent
Sat
10 May
48
Excellent
Air quality in the last 12 months (Huade)
|
2025/02
|
56
|
26
|
20
|
24
|
36
|
55
|
23
|
20
|
28
|
46
|
47
|
40
|
52
|
45
|
74
|
18
|
21
|
15
|
16
|
16
|
19
|
22
|
20
|
41
|
32
|
38
|
56
|
42
|
|||
|
2025/01
|
42
|
19
|
28
|
29
|
36
|
19
|
27
|
18
|
21
|
27
|
34
|
28
|
35
|
21
|
34
|
51
|
38
|
44
|
40
|
46
|
24
|
34
|
44
|
36
|
63
|
94
|
21
|
40
|
177
|
70
|
63
|
|
2024/12
|
34
|
20
|
22
|
17
|
20
|
21
|
19
|
27
|
26
|
24
|
28
|
32
|
27
|
28
|
32
|
28
|
20
|
21
|
33
|
30
|
21
|
29
|
27
|
43
|
45
|
22
|
24
|
46
|
92
|
50
|
38
|
|
2024/11
|
44
|
38
|
25
|
16
|
20
|
31
|
46
|
64
|
85
|
37
|
42
|
36
|
53
|
50
|
46
|
45
|
29
|
30
|
50
|
46
|
25
|
31
|
52
|
67
|
27
|
31
|
27
|
19
|
20
|
40
|
|
|
2024/10
|
15
|
16
|
24
|
40
|
39
|
18
|
15
|
26
|
32
|
27
|
36
|
42
|
46
|
37
|
21
|
47
|
58
|
26
|
20
|
22
|
27
|
17
|
30
|
38
|
47
|
36
|
15
|
25
|
18
|
26
|
32
|
|
2024/09
|
17
|
18
|
25
|
25
|
17
|
16
|
20
|
27
|
27
|
16
|
17
|
22
|
21
|
16
|
18
|
17
|
16
|
29
|
36
|
16
|
16
|
16
|
26
|
29
|
15
|
25
|
50
|
44
|
23
|
15
|
|
|
2024/08
|
20
|
31
|
33
|
35
|
26
|
20
|
32
|
29
|
30
|
56
|
17
|
19
|
19
|
24
|
27
|
38
|
29
|
25
|
26
|
19
|
13
|
14
|
14
|
19
|
18
|
19
|
24
|
26
|
29
|
25
|
27
|
|
2024/07
|
16
|
26
|
24
|
22
|
24
|
23
|
28
|
30
|
46
|
45
|
40
|
28
|
26
|
35
|
37
|
21
|
16
|
18
|
28
|
27
|
54
|
63
|
31
|
32
|
27
|
20
|
21
|
18
|
18
|
29
|
24
|
|
2024/06
|
20
|
25
|
30
|
34
|
37
|
30
|
17
|
28
|
23
|
38
|
26
|
29
|
26
|
17
|
19
|
18
|
21
|
40
|
42
|
40
|
87
|
414
|
113
|
18
|
20
|
41
|
49
|
46
|
29
|
23
|
|
|
2024/05
|
27
|
30
|
41
|
53
|
37
|
31
|
20
|
31
|
53
|
129
|
44
|
20
|
33
|
51
|
32
|
50
|
46
|
70
|
58
|
36
|
43
|
60
|
64
|
47
|
40
|
28
|
23
|
23
|
59
|
36
|
22
|
|
2024/04
|
43
|
37
|
17
|
37
|
37
|
17
|
28
|
35
|
53
|
49
|
55
|
74
|
67
|
180
|
163
|
26
|
33
|
42
|
53
|
19
|
52
|
52
|
18
|
61
|
145
|
68
|
142
|
28
|
19
|
17
|
|
|
2024/03
|
28
|
65
|
23
|
50
|
30
|
16
|
22
|
19
|
36
|
44
|
22
|
18
|
22
|
41
|
59
|
119
|
31
|
117
|
43
|
21
|
65
|
24
|
39
|
38
|
37
|
65
|
230
|
216
|
58
|
22
|
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