Air Quality
Excellent
No health implications.
10
PM2.5
14
PM10
46
O3
0.3
CO
2
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Jun
66
Good
Mon
8 Jun
105
Light
Tue
9 Jun
58
Good
Wed
10 Jun
62
Good
Thu
11 Jun
105
Light
Fri
12 Jun
125
Light
Sat
13 Jun
23
Excellent
Air quality in the last 12 months (Gu'an)
|
2026/04
|
66
|
85
|
111
|
65
|
48
|
30
|
37
|
81
|
64
|
56
|
63
|
81
|
88
|
83
|
109
|
99
|
78
|
108
|
80
|
90
|
72
|
56
|
61
|
63
|
62
|
59
|
45
|
40
|
35
|
55
|
|
|
2026/03
|
81
|
121
|
138
|
114
|
72
|
53
|
83
|
97
|
37
|
108
|
75
|
98
|
114
|
66
|
64
|
68
|
163
|
45
|
58
|
69
|
93
|
82
|
113
|
164
|
161
|
198
|
52
|
87
|
107
|
35
|
58
|
|
2026/02
|
121
|
39
|
107
|
141
|
74
|
27
|
39
|
51
|
110
|
114
|
60
|
102
|
125
|
113
|
28
|
52
|
153
|
41
|
81
|
85
|
197
|
44
|
36
|
68
|
84
|
82
|
43
|
65
|
|||
|
2026/01
|
39
|
63
|
96
|
123
|
93
|
141
|
29
|
70
|
96
|
38
|
32
|
65
|
48
|
65
|
123
|
67
|
40
|
42
|
22
|
33
|
38
|
69
|
74
|
124
|
65
|
83
|
63
|
62
|
72
|
103
|
104
|
|
2025/12
|
37
|
26
|
51
|
41
|
64
|
119
|
73
|
30
|
73
|
104
|
75
|
44
|
45
|
63
|
115
|
84
|
133
|
184
|
193
|
29
|
39
|
72
|
61
|
32
|
25
|
62
|
80
|
154
|
57
|
36
|
24
|
|
2025/11
|
52
|
24
|
64
|
98
|
190
|
157
|
52
|
65
|
51
|
71
|
111
|
130
|
35
|
74
|
102
|
52
|
23
|
41
|
60
|
42
|
68
|
86
|
111
|
76
|
32
|
82
|
34
|
82
|
108
|
107
|
|
|
2025/10
|
67
|
56
|
53
|
62
|
56
|
23
|
51
|
30
|
10
|
14
|
20
|
44
|
49
|
48
|
77
|
65
|
37
|
15
|
22
|
25
|
37
|
58
|
72
|
100
|
144
|
45
|
51
|
140
|
160
|
174
|
81
|
|
2025/09
|
31
|
46
|
45
|
54
|
56
|
36
|
48
|
40
|
54
|
48
|
58
|
54
|
53
|
51
|
47
|
29
|
24
|
34
|
39
|
45
|
63
|
37
|
53
|
57
|
59
|
60
|
58
|
52
|
53
|
64
|
|
|
2025/08
|
48
|
49
|
39
|
34
|
34
|
49
|
36
|
32
|
19
|
29
|
41
|
49
|
26
|
42
|
44
|
21
|
37
|
38
|
26
|
23
|
32
|
26
|
24
|
15
|
23
|
32
|
30
|
16
|
37
|
26
|
27
|
|
2025/07
|
30
|
35
|
24
|
41
|
30
|
21
|
39
|
34
|
48
|
34
|
51
|
51
|
26
|
43
|
41
|
36
|
27
|
43
|
54
|
23
|
28
|
40
|
34
|
26
|
27
|
45
|
41
|
33
|
12
|
20
|
32
|
|
2025/06
|
71
|
49
|
21
|
33
|
59
|
55
|
50
|
55
|
57
|
39
|
60
|
76
|
71
|
45
|
20
|
23
|
55
|
71
|
42
|
34
|
34
|
47
|
67
|
69
|
68
|
65
|
59
|
54
|
52
|
41
|
|
|
2025/05
|
41
|
57
|
36
|
59
|
59
|
37
|
80
|
91
|
34
|
41
|
59
|
71
|
73
|
40
|
46
|
71
|
62
|
56
|
74
|
101
|
75
|
63
|
60
|
41
|
58
|
66
|
63
|
66
|
69
|
70
|
71
|
|
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