Air Quality
Excellent
No health implications.
20
PM2.5
28
PM10
27
O3
0.8
CO
8
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Apr
55
Good
Tue
28 Apr
55
Good
Wed
29 Apr
86
Good
Thu
30 Apr
80
Good
Fri
1 May
59
Good
Sat
2 May
62
Good
Sun
3 May
20
Excellent
Air quality in the last 12 months (Huanren)
|
2026/03
|
59
|
73
|
93
|
58
|
45
|
36
|
39
|
51
|
63
|
58
|
56
|
54
|
47
|
87
|
248
|
117
|
88
|
52
|
45
|
47
|
59
|
68
|
84
|
76
|
82
|
74
|
62
|
70
|
58
|
31
|
39
|
|
2026/02
|
67
|
68
|
66
|
96
|
110
|
55
|
47
|
52
|
59
|
74
|
88
|
70
|
107
|
113
|
44
|
84
|
265
|
50
|
48
|
54
|
67
|
86
|
43
|
47
|
64
|
71
|
56
|
66
|
|||
|
2026/01
|
56
|
54
|
68
|
70
|
59
|
58
|
48
|
51
|
51
|
44
|
37
|
42
|
25
|
52
|
57
|
57
|
44
|
42
|
36
|
57
|
55
|
55
|
56
|
49
|
55
|
58
|
57
|
55
|
53
|
59
|
66
|
|
2025/12
|
44
|
29
|
29
|
43
|
42
|
57
|
75
|
32
|
51
|
76
|
41
|
63
|
54
|
53
|
57
|
61
|
55
|
48
|
26
|
30
|
35
|
45
|
35
|
41
|
29
|
51
|
61
|
72
|
38
|
39
|
44
|
|
2025/11
|
40
|
25
|
32
|
48
|
56
|
70
|
75
|
65
|
38
|
28
|
45
|
57
|
40
|
51
|
55
|
45
|
41
|
47
|
52
|
53
|
55
|
53
|
73
|
128
|
179
|
110
|
41
|
44
|
46
|
52
|
|
|
2025/10
|
35
|
41
|
39
|
35
|
34
|
17
|
19
|
29
|
25
|
24
|
17
|
37
|
32
|
52
|
49
|
55
|
41
|
19
|
26
|
34
|
40
|
44
|
51
|
56
|
61
|
52
|
48
|
65
|
43
|
33
|
36
|
|
2025/09
|
19
|
40
|
30
|
29
|
28
|
20
|
22
|
31
|
28
|
35
|
41
|
42
|
45
|
33
|
27
|
29
|
21
|
23
|
19
|
19
|
38
|
29
|
33
|
13
|
27
|
31
|
31
|
24
|
37
|
37
|
|
|
2025/08
|
31
|
23
|
22
|
16
|
17
|
13
|
16
|
28
|
26
|
20
|
29
|
33
|
29
|
19
|
28
|
9
|
14
|
17
|
19
|
11
|
19
|
17
|
21
|
18
|
13
|
15
|
25
|
18
|
18
|
25
|
10
|
|
2025/07
|
10
|
9
|
9
|
11
|
16
|
15
|
27
|
31
|
35
|
41
|
38
|
34
|
30
|
19
|
15
|
12
|
12
|
16
|
16
|
12
|
16
|
15
|
11
|
18
|
22
|
25
|
31
|
30
|
26
|
22
|
34
|
|
2025/06
|
56
|
48
|
26
|
18
|
38
|
33
|
24
|
26
|
31
|
19
|
24
|
32
|
28
|
34
|
26
|
15
|
17
|
27
|
31
|
19
|
19
|
32
|
33
|
43
|
37
|
37
|
30
|
20
|
20
|
10
|
|
|
2025/05
|
19
|
22
|
24
|
23
|
32
|
30
|
38
|
44
|
56
|
26
|
32
|
44
|
50
|
33
|
23
|
24
|
18
|
24
|
30
|
56
|
36
|
60
|
35
|
36
|
31
|
32
|
36
|
36
|
46
|
51
|
54
|
|
2025/04
|
61
|
47
|
45
|
49
|
17
|
35
|
47
|
57
|
57
|
54
|
48
|
30
|
15
|
19
|
32
|
40
|
57
|
38
|
21
|
29
|
36
|
21
|
39
|
63
|
60
|
51
|
57
|
54
|
63
|
55
|
|
|
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