Air Quality
Excellent
No health implications.
22
PM2.5
42
PM10
23
O3
0.6
CO
8
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Sep
61
Good
Sat
13 Sep
53
Good
Sun
14 Sep
41
Excellent
Mon
15 Sep
47
Excellent
Tue
16 Sep
42
Excellent
Wed
17 Sep
47
Excellent
Thu
18 Sep
44
Excellent
Air quality in the last 12 months (Huanren)
|
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
|
|
|
2025/03
|
69
|
31
|
20
|
33
|
46
|
56
|
51
|
53
|
57
|
59
|
47
|
64
|
46
|
34
|
40
|
41
|
62
|
56
|
56
|
51
|
60
|
78
|
97
|
69
|
87
|
101
|
45
|
29
|
29
|
32
|
49
|
|
2025/02
|
71
|
65
|
31
|
34
|
35
|
48
|
39
|
35
|
43
|
54
|
63
|
82
|
81
|
68
|
79
|
49
|
31
|
31
|
39
|
42
|
43
|
39
|
41
|
45
|
61
|
64
|
67
|
69
|
|||
|
2025/01
|
53
|
40
|
53
|
53
|
85
|
67
|
61
|
29
|
32
|
48
|
69
|
69
|
71
|
53
|
39
|
38
|
51
|
54
|
61
|
68
|
74
|
53
|
66
|
58
|
55
|
62
|
72
|
60
|
79
|
63
|
69
|
|
2024/12
|
52
|
16
|
37
|
39
|
43
|
31
|
38
|
50
|
61
|
75
|
51
|
44
|
55
|
52
|
40
|
39
|
38
|
35
|
51
|
67
|
46
|
48
|
63
|
56
|
68
|
41
|
45
|
57
|
50
|
47
|
37
|
|
2024/11
|
68
|
86
|
63
|
17
|
23
|
22
|
36
|
50
|
52
|
39
|
37
|
29
|
39
|
47
|
30
|
28
|
17
|
20
|
29
|
51
|
53
|
26
|
30
|
49
|
49
|
25
|
22
|
37
|
42
|
47
|
|
|
2024/10
|
11
|
18
|
26
|
30
|
33
|
47
|
24
|
31
|
33
|
33
|
30
|
48
|
48
|
33
|
14
|
33
|
54
|
48
|
19
|
27
|
20
|
28
|
23
|
36
|
46
|
58
|
45
|
26
|
58
|
54
|
62
|
|
2024/09
|
19
|
11
|
21
|
22
|
15
|
18
|
23
|
24
|
31
|
23
|
15
|
22
|
21
|
19
|
16
|
25
|
20
|
22
|
32
|
17
|
8
|
15
|
23
|
24
|
30
|
16
|
30
|
28
|
27
|
29
|
|
|
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