Air Quality
Excellent
No health implications.
10
PM2.5
12
PM10
25
O3
0.8
CO
10
SO2
38
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 May
106
Light
Mon
1 Jun
91
Good
Tue
2 Jun
79
Good
Wed
3 Jun
60
Good
Thu
4 Jun
55
Good
Fri
5 Jun
40
Excellent
Sat
6 Jun
46
Excellent
Air quality in the last 12 months (Huinan)
|
2026/04
|
76
|
110
|
110
|
34
|
33
|
31
|
31
|
37
|
46
|
49
|
33
|
54
|
64
|
129
|
102
|
56
|
47
|
42
|
61
|
83
|
53
|
39
|
42
|
57
|
51
|
34
|
29
|
28
|
32
|
35
|
|
|
2026/03
|
51
|
84
|
77
|
51
|
45
|
35
|
43
|
53
|
63
|
55
|
63
|
75
|
56
|
114
|
230
|
145
|
118
|
45
|
42
|
62
|
85
|
113
|
101
|
66
|
90
|
113
|
77
|
98
|
81
|
38
|
51
|
|
2026/02
|
70
|
67
|
62
|
109
|
99
|
50
|
48
|
51
|
55
|
78
|
79
|
81
|
115
|
94
|
45
|
83
|
184
|
47
|
48
|
65
|
83
|
103
|
55
|
48
|
51
|
51
|
51
|
44
|
|||
|
2026/01
|
63
|
62
|
78
|
91
|
63
|
53
|
50
|
55
|
65
|
66
|
43
|
42
|
24
|
45
|
52
|
68
|
56
|
50
|
36
|
51
|
51
|
45
|
49
|
50
|
67
|
58
|
61
|
57
|
68
|
71
|
65
|
|
2025/12
|
54
|
36
|
37
|
49
|
45
|
59
|
64
|
43
|
62
|
75
|
54
|
72
|
60
|
76
|
71
|
64
|
75
|
55
|
35
|
38
|
40
|
46
|
40
|
66
|
46
|
58
|
73
|
74
|
34
|
43
|
48
|
|
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
|
|
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