Air Quality
Excellent
No health implications.
17
PM2.5
27
PM10
103
O3
0.5
CO
8
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Aug
57
Good
Sat
16 Aug
41
Excellent
Sun
17 Aug
36
Excellent
Mon
18 Aug
33
Excellent
Tue
19 Aug
39
Excellent
Wed
20 Aug
39
Excellent
Thu
21 Aug
30
Excellent
Air quality in the last 12 months (Huanren)
|
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
|
|
|
2024/08
|
12
|
15
|
17
|
21
|
14
|
17
|
17
|
25
|
35
|
24
|
20
|
18
|
25
|
29
|
29
|
28
|
31
|
32
|
24
|
21
|
16
|
13
|
15
|
25
|
32
|
23
|
21
|
22
|
25
|
28
|
22
|
|
2024/07
|
21
|
27
|
14
|
30
|
33
|
15
|
17
|
23
|
42
|
41
|
51
|
49
|
47
|
47
|
44
|
23
|
9
|
17
|
25
|
14
|
15
|
14
|
14
|
10
|
9
|
8
|
7
|
8
|
14
|
26
|
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