Air Quality
Excellent
No health implications.
7
PM2.5
12
PM10
52
O3
0.4
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
56
Good
Tue
30 Apr
57
Good
Wed
1 May
65
Good
Thu
2 May
80
Good
Fri
3 May
67
Good
Sat
4 May
78
Good
Sun
5 May
78
Good
Air quality in the last 12 months (Huanren)
|
2024/02
|
42
|
58
|
56
|
54
|
40
|
73
|
73
|
80
|
137
|
259
|
93
|
70
|
71
|
54
|
28
|
31
|
30
|
25
|
25
|
32
|
29
|
27
|
31
|
80
|
103
|
53
|
52
|
62
|
52
|
||
|
2024/01
|
87
|
71
|
83
|
59
|
33
|
42
|
27
|
38
|
44
|
60
|
40
|
43
|
46
|
37
|
48
|
65
|
70
|
50
|
46
|
42
|
54
|
36
|
43
|
38
|
60
|
74
|
54
|
65
|
81
|
79
|
63
|
|
2023/12
|
46
|
47
|
39
|
50
|
61
|
43
|
38
|
79
|
44
|
23
|
34
|
44
|
70
|
38
|
34
|
59
|
38
|
56
|
59
|
42
|
43
|
54
|
69
|
72
|
63
|
44
|
56
|
67
|
69
|
66
|
90
|
|
2023/11
|
51
|
46
|
24
|
44
|
41
|
36
|
30
|
31
|
20
|
18
|
26
|
32
|
43
|
43
|
51
|
41
|
20
|
39
|
41
|
28
|
33
|
35
|
30
|
18
|
26
|
33
|
44
|
25
|
27
|
29
|
|
|
2023/10
|
21
|
25
|
33
|
25
|
24
|
30
|
35
|
36
|
24
|
27
|
33
|
36
|
41
|
37
|
34
|
33
|
35
|
31
|
19
|
21
|
26
|
40
|
45
|
46
|
48
|
41
|
44
|
48
|
57
|
57
|
48
|
|
2023/09
|
24
|
37
|
28
|
33
|
37
|
31
|
31
|
40
|
45
|
32
|
30
|
22
|
31
|
24
|
29
|
40
|
39
|
31
|
23
|
18
|
29
|
28
|
31
|
27
|
29
|
30
|
34
|
34
|
27
|
25
|
|
|
2023/08
|
25
|
21
|
23
|
25
|
24
|
17
|
18
|
24
|
32
|
20
|
18
|
18
|
18
|
20
|
23
|
33
|
33
|
25
|
33
|
33
|
30
|
22
|
27
|
28
|
22
|
29
|
32
|
22
|
20
|
21
|
27
|
|
2023/07
|
40
|
33
|
32
|
36
|
39
|
52
|
46
|
41
|
34
|
29
|
26
|
23
|
25
|
19
|
33
|
21
|
21
|
36
|
52
|
51
|
51
|
34
|
24
|
27
|
27
|
27
|
20
|
14
|
12
|
13
|
22
|
|
2023/06
|
36
|
28
|
29
|
28
|
34
|
30
|
35
|
27
|
22
|
26
|
30
|
29
|
26
|
32
|
42
|
34
|
37
|
57
|
46
|
30
|
24
|
25
|
25
|
31
|
35
|
27
|
31
|
39
|
31
|
47
|
|
|
2023/05
|
38
|
46
|
48
|
36
|
30
|
28
|
35
|
35
|
41
|
39
|
42
|
48
|
40
|
36
|
48
|
62
|
35
|
25
|
29
|
48
|
88
|
45
|
35
|
40
|
41
|
37
|
32
|
31
|
35
|
27
|
33
|
|
2023/04
|
71
|
61
|
62
|
71
|
63
|
105
|
40
|
39
|
49
|
51
|
177
|
137
|
156
|
79
|
125
|
74
|
59
|
59
|
53
|
42
|
66
|
51
|
45
|
41
|
47
|
27
|
32
|
34
|
27
|
29
|
|
|
2023/03
|
52
|
43
|
44
|
55
|
52
|
48
|
59
|
62
|
63
|
70
|
112
|
40
|
35
|
45
|
58
|
43
|
41
|
59
|
66
|
64
|
59
|
60
|
129
|
54
|
48
|
39
|
53
|
56
|
62
|
68
|
70
|
|
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