Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
22
PM2.5
33
PM10
161
O3
0.5
CO
7
SO2
7
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
12 May
95
Good
Tue
13 May
97
Good
Wed
14 May
59
Good
Thu
15 May
59
Good
Fri
16 May
57
Good
Sat
17 May
57
Good
Sun
18 May
41
Excellent
Air quality in the last 12 months (Huinan)
|
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
|
|
2024/11
|
74
|
103
|
79
|
31
|
27
|
32
|
34
|
52
|
48
|
39
|
60
|
39
|
42
|
34
|
26
|
44
|
41
|
46
|
41
|
56
|
59
|
58
|
56
|
53
|
50
|
45
|
39
|
52
|
39
|
51
|
|
|
2024/10
|
15
|
25
|
28
|
31
|
34
|
49
|
30
|
37
|
35
|
36
|
35
|
45
|
45
|
37
|
18
|
29
|
55
|
54
|
28
|
36
|
25
|
40
|
43
|
50
|
60
|
86
|
57
|
34
|
52
|
66
|
60
|
|
2024/09
|
20
|
18
|
23
|
22
|
15
|
22
|
28
|
21
|
26
|
22
|
25
|
21
|
20
|
22
|
24
|
30
|
26
|
29
|
27
|
21
|
19
|
26
|
24
|
24
|
25
|
17
|
26
|
30
|
27
|
26
|
|
|
2024/08
|
18
|
22
|
22
|
23
|
17
|
16
|
28
|
33
|
29
|
29
|
23
|
24
|
24
|
28
|
31
|
28
|
31
|
33
|
25
|
25
|
17
|
17
|
18
|
28
|
31
|
25
|
25
|
21
|
23
|
24
|
24
|
|
2024/07
|
45
|
38
|
14
|
28
|
31
|
24
|
23
|
46
|
48
|
52
|
61
|
66
|
67
|
62
|
60
|
36
|
16
|
22
|
32
|
26
|
21
|
20
|
18
|
17
|
17
|
12
|
11
|
9
|
15
|
24
|
20
|
|
2024/06
|
26
|
20
|
22
|
30
|
33
|
26
|
27
|
22
|
21
|
25
|
30
|
28
|
25
|
22
|
17
|
24
|
30
|
27
|
43
|
34
|
36
|
42
|
35
|
19
|
18
|
26
|
37
|
38
|
26
|
28
|
|
|
2024/05
|
35
|
46
|
50
|
40
|
35
|
29
|
34
|
30
|
50
|
46
|
56
|
39
|
35
|
42
|
22
|
29
|
35
|
49
|
28
|
20
|
24
|
38
|
31
|
26
|
24
|
17
|
13
|
25
|
34
|
32
|
21
|
|
2024/04
|
57
|
65
|
62
|
64
|
74
|
63
|
69
|
73
|
61
|
104
|
46
|
49
|
43
|
45
|
97
|
135
|
80
|
62
|
98
|
152
|
88
|
48
|
60
|
44
|
48
|
58
|
56
|
34
|
34
|
33
|
|
|
2024/03
|
43
|
50
|
41
|
48
|
40
|
41
|
39
|
39
|
43
|
58
|
65
|
40
|
45
|
50
|
55
|
58
|
51
|
43
|
37
|
39
|
45
|
47
|
45
|
37
|
32
|
39
|
53
|
181
|
86
|
55
|
52
|
|
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