Air Quality
Excellent
No health implications.
5
PM2.5
7
PM10
22
O3
0.5
CO
1
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 May
57
Good
Tue
26 May
57
Good
Wed
27 May
73
Good
Thu
28 May
91
Good
Fri
29 May
92
Good
Sat
30 May
86
Good
Sun
31 May
49
Excellent
Air quality in the last 12 months (Guancheng)
|
2026/04
|
63
|
51
|
94
|
69
|
95
|
91
|
76
|
47
|
45
|
69
|
63
|
63
|
41
|
51
|
46
|
62
|
68
|
72
|
91
|
97
|
48
|
34
|
52
|
46
|
48
|
62
|
87
|
71
|
44
|
57
|
|
|
2026/03
|
60
|
74
|
114
|
159
|
96
|
70
|
63
|
83
|
127
|
151
|
149
|
169
|
149
|
115
|
44
|
68
|
138
|
67
|
69
|
86
|
79
|
83
|
100
|
105
|
81
|
76
|
67
|
61
|
52
|
75
|
69
|
|
2026/02
|
108
|
96
|
129
|
90
|
96
|
65
|
61
|
103
|
70
|
82
|
85
|
93
|
91
|
100
|
76
|
37
|
93
|
70
|
52
|
55
|
83
|
207
|
194
|
68
|
40
|
37
|
89
|
67
|
|||
|
2026/01
|
77
|
114
|
141
|
126
|
131
|
38
|
41
|
67
|
56
|
79
|
51
|
75
|
92
|
103
|
84
|
121
|
71
|
66
|
59
|
53
|
82
|
121
|
166
|
174
|
185
|
180
|
214
|
153
|
191
|
109
|
143
|
|
2025/12
|
155
|
72
|
49
|
65
|
114
|
113
|
78
|
96
|
126
|
169
|
159
|
41
|
68
|
87
|
81
|
149
|
140
|
207
|
202
|
161
|
101
|
62
|
95
|
99
|
81
|
101
|
104
|
145
|
79
|
201
|
48
|
|
2025/11
|
55
|
73
|
90
|
93
|
84
|
132
|
89
|
50
|
75
|
94
|
78
|
76
|
97
|
92
|
83
|
87
|
46
|
44
|
39
|
49
|
50
|
54
|
71
|
132
|
83
|
126
|
217
|
129
|
78
|
85
|
|
|
2025/10
|
30
|
17
|
34
|
24
|
15
|
12
|
26
|
31
|
10
|
11
|
23
|
18
|
22
|
51
|
37
|
40
|
15
|
23
|
38
|
37
|
39
|
59
|
89
|
104
|
79
|
104
|
127
|
115
|
97
|
147
|
130
|
|
2025/09
|
42
|
34
|
33
|
18
|
20
|
51
|
62
|
43
|
28
|
34
|
20
|
28
|
46
|
44
|
38
|
27
|
20
|
15
|
15
|
32
|
36
|
14
|
21
|
34
|
51
|
43
|
15
|
26
|
36
|
50
|
|
|
2025/08
|
38
|
26
|
35
|
35
|
46
|
26
|
33
|
30
|
23
|
25
|
36
|
29
|
37
|
27
|
34
|
24
|
31
|
34
|
37
|
30
|
27
|
35
|
33
|
22
|
40
|
38
|
36
|
33
|
33
|
34
|
34
|
|
2025/07
|
17
|
26
|
27
|
33
|
32
|
33
|
40
|
34
|
29
|
41
|
54
|
45
|
44
|
45
|
44
|
42
|
29
|
38
|
48
|
47
|
34
|
28
|
19
|
23
|
31
|
32
|
33
|
32
|
38
|
35
|
33
|
|
2025/06
|
45
|
57
|
62
|
63
|
59
|
59
|
83
|
82
|
65
|
62
|
64
|
46
|
47
|
44
|
53
|
49
|
46
|
34
|
26
|
28
|
40
|
51
|
35
|
45
|
55
|
24
|
40
|
30
|
22
|
29
|
|
|
2025/05
|
71
|
124
|
64
|
61
|
165
|
175
|
184
|
96
|
87
|
42
|
50
|
65
|
75
|
68
|
50
|
84
|
187
|
95
|
116
|
72
|
79
|
72
|
81
|
51
|
54
|
50
|
67
|
62
|
74
|
73
|
54
|
|
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