Air Quality
Excellent
No health implications.
19
PM2.5
43
PM10
45
O3
0.9
CO
9
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jan
59
Good
Tue
13 Jan
60
Good
Wed
14 Jan
78
Good
Thu
15 Jan
76
Good
Fri
16 Jan
59
Good
Sat
17 Jan
77
Good
Sun
18 Jan
21
Excellent
Air quality in the last 12 months (Huinan)
|
2025/11
|
50
|
31
|
31
|
54
|
72
|
69
|
73
|
89
|
34
|
37
|
95
|
77
|
44
|
89
|
106
|
48
|
52
|
41
|
47
|
46
|
64
|
63
|
106
|
235
|
405
|
206
|
53
|
48
|
44
|
48
|
|
|
2025/10
|
42
|
45
|
33
|
30
|
29
|
24
|
27
|
33
|
34
|
37
|
26
|
39
|
62
|
117
|
60
|
60
|
46
|
25
|
31
|
32
|
43
|
53
|
63
|
66
|
85
|
58
|
50
|
82
|
140
|
37
|
47
|
|
2025/09
|
15
|
27
|
27
|
27
|
27
|
17
|
26
|
29
|
25
|
25
|
29
|
38
|
40
|
31
|
23
|
26
|
26
|
28
|
26
|
25
|
30
|
28
|
30
|
25
|
30
|
35
|
31
|
29
|
33
|
31
|
|
|
2025/08
|
21
|
24
|
20
|
16
|
20
|
17
|
17
|
20
|
19
|
16
|
21
|
22
|
24
|
22
|
27
|
19
|
16
|
20
|
28
|
20
|
18
|
17
|
24
|
19
|
16
|
18
|
26
|
19
|
19
|
28
|
19
|
|
2025/07
|
20
|
16
|
15
|
12
|
17
|
17
|
22
|
22
|
26
|
26
|
26
|
27
|
22
|
18
|
13
|
12
|
17
|
17
|
18
|
17
|
15
|
18
|
14
|
16
|
21
|
23
|
21
|
18
|
19
|
14
|
19
|
|
2025/06
|
34
|
36
|
21
|
19
|
29
|
29
|
24
|
25
|
29
|
18
|
18
|
24
|
28
|
28
|
29
|
20
|
24
|
27
|
29
|
21
|
17
|
19
|
25
|
30
|
31
|
25
|
43
|
31
|
32
|
24
|
|
|
2025/05
|
21
|
24
|
22
|
25
|
30
|
25
|
35
|
43
|
45
|
27
|
35
|
40
|
43
|
38
|
25
|
27
|
21
|
31
|
24
|
32
|
39
|
47
|
33
|
35
|
29
|
34
|
34
|
29
|
36
|
38
|
42
|
|
2025/04
|
53
|
42
|
55
|
48
|
29
|
36
|
36
|
53
|
58
|
59
|
60
|
36
|
16
|
27
|
39
|
38
|
46
|
37
|
28
|
49
|
59
|
21
|
35
|
66
|
59
|
71
|
61
|
53
|
53
|
48
|
|
|
2025/03
|
77
|
29
|
33
|
32
|
45
|
57
|
50
|
52
|
65
|
60
|
51
|
85
|
45
|
40
|
49
|
50
|
66
|
58
|
56
|
63
|
62
|
101
|
111
|
77
|
94
|
74
|
40
|
33
|
36
|
43
|
56
|
|
2025/02
|
88
|
91
|
53
|
61
|
67
|
55
|
43
|
35
|
50
|
60
|
53
|
69
|
76
|
67
|
68
|
50
|
34
|
47
|
52
|
51
|
49
|
52
|
56
|
50
|
73
|
53
|
58
|
83
|
|||
|
2025/01
|
58
|
41
|
47
|
57
|
82
|
77
|
57
|
44
|
47
|
58
|
68
|
79
|
77
|
51
|
41
|
47
|
51
|
56
|
62
|
82
|
89
|
84
|
73
|
70
|
71
|
71
|
49
|
72
|
77
|
66
|
81
|
|
2024/12
|
47
|
29
|
35
|
31
|
33
|
39
|
44
|
52
|
59
|
62
|
48
|
51
|
57
|
50
|
32
|
38
|
48
|
53
|
58
|
60
|
51
|
48
|
54
|
45
|
55
|
45
|
44
|
45
|
46
|
60
|
40
|
|
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