Air Quality
Excellent
No health implications.
13
PM2.5
43
PM10
48
O3
0.4
CO
11
SO2
33
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 May
100
Good
Sun
31 May
116
Light
Mon
1 Jun
105
Light
Tue
2 Jun
100
Good
Wed
3 Jun
98
Good
Thu
4 Jun
18
Excellent
Fri
5 Jun
21
Excellent
Air quality in the last 12 months (Huantai)
|
2026/04
|
98
|
60
|
68
|
47
|
70
|
46
|
43
|
52
|
55
|
71
|
68
|
50
|
59
|
80
|
103
|
56
|
84
|
92
|
90
|
80
|
66
|
42
|
60
|
51
|
51
|
62
|
83
|
37
|
48
|
59
|
|
|
2026/03
|
105
|
142
|
149
|
149
|
109
|
58
|
53
|
74
|
82
|
94
|
140
|
74
|
105
|
116
|
50
|
75
|
120
|
70
|
62
|
97
|
110
|
111
|
124
|
103
|
85
|
94
|
96
|
93
|
80
|
72
|
59
|
|
2026/02
|
204
|
152
|
101
|
135
|
140
|
40
|
48
|
57
|
61
|
76
|
104
|
94
|
101
|
113
|
95
|
78
|
178
|
70
|
82
|
69
|
87
|
114
|
68
|
71
|
75
|
95
|
83
|
93
|
|||
|
2026/01
|
36
|
40
|
103
|
177
|
129
|
154
|
54
|
58
|
82
|
60
|
36
|
70
|
77
|
141
|
167
|
91
|
36
|
39
|
35
|
32
|
51
|
64
|
90
|
133
|
69
|
66
|
122
|
131
|
83
|
62
|
165
|
|
2025/12
|
72
|
31
|
49
|
56
|
70
|
100
|
115
|
49
|
90
|
89
|
73
|
27
|
67
|
68
|
74
|
129
|
76
|
81
|
157
|
83
|
41
|
52
|
74
|
91
|
30
|
51
|
70
|
109
|
148
|
108
|
29
|
|
2025/11
|
104
|
37
|
51
|
69
|
89
|
66
|
106
|
121
|
78
|
65
|
83
|
93
|
72
|
99
|
153
|
102
|
34
|
48
|
55
|
58
|
76
|
102
|
102
|
146
|
38
|
86
|
78
|
107
|
131
|
144
|
|
|
2025/10
|
52
|
25
|
21
|
38
|
13
|
12
|
37
|
45
|
25
|
11
|
18
|
20
|
30
|
55
|
47
|
46
|
44
|
24
|
31
|
32
|
37
|
43
|
46
|
50
|
84
|
79
|
66
|
104
|
60
|
63
|
78
|
|
2025/09
|
25
|
40
|
43
|
45
|
33
|
41
|
48
|
63
|
45
|
52
|
50
|
41
|
46
|
56
|
58
|
39
|
15
|
23
|
15
|
37
|
47
|
42
|
42
|
44
|
50
|
54
|
44
|
50
|
63
|
61
|
|
|
2025/08
|
28
|
29
|
37
|
35
|
46
|
35
|
41
|
36
|
20
|
24
|
45
|
47
|
53
|
58
|
33
|
29
|
20
|
46
|
45
|
35
|
32
|
25
|
27
|
44
|
42
|
29
|
31
|
22
|
23
|
23
|
16
|
|
2025/07
|
28
|
27
|
30
|
32
|
32
|
35
|
41
|
34
|
30
|
41
|
44
|
48
|
47
|
28
|
41
|
31
|
31
|
45
|
45
|
36
|
18
|
17
|
21
|
32
|
36
|
33
|
24
|
31
|
23
|
28
|
30
|
|
2025/06
|
53
|
54
|
48
|
34
|
59
|
57
|
66
|
61
|
67
|
37
|
41
|
48
|
49
|
58
|
39
|
30
|
37
|
49
|
26
|
35
|
42
|
43
|
42
|
45
|
58
|
59
|
57
|
49
|
37
|
27
|
|
|
2025/05
|
59
|
61
|
48
|
53
|
56
|
53
|
68
|
64
|
37
|
35
|
51
|
56
|
59
|
63
|
52
|
70
|
71
|
60
|
86
|
74
|
69
|
67
|
44
|
58
|
51
|
56
|
55
|
56
|
56
|
53
|
60
|
|
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