Air Quality
Excellent
No health implications.
20
PM2.5
34
PM10
56
O3
0.5
CO
7
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 May
102
Light
Mon
1 Jun
90
Good
Tue
2 Jun
81
Good
Wed
3 Jun
58
Good
Thu
4 Jun
46
Excellent
Fri
5 Jun
49
Excellent
Sat
6 Jun
32
Excellent
Air quality in the last 12 months (Huanren)
|
2026/04
|
66
|
72
|
58
|
28
|
34
|
38
|
33
|
38
|
35
|
44
|
38
|
51
|
74
|
177
|
110
|
55
|
44
|
43
|
62
|
76
|
74
|
48
|
40
|
53
|
53
|
30
|
33
|
28
|
33
|
40
|
|
|
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
|
|
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