Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
37
PM2.5
70
PM10
243
O3
0.8
CO
10
SO2
11
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
25 Jun
196
Moderate
Thu
26 Jun
157
Moderate
Fri
27 Jun
128
Light
Sat
28 Jun
145
Light
Sun
29 Jun
158
Moderate
Mon
30 Jun
133
Light
Tue
1 Jul
48
Excellent
Air quality in the last 12 months (Gu'an)
|
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
|
|
2025/04
|
57
|
26
|
64
|
92
|
31
|
72
|
71
|
51
|
56
|
81
|
128
|
130
|
57
|
42
|
58
|
92
|
79
|
51
|
50
|
72
|
85
|
37
|
63
|
44
|
62
|
92
|
66
|
67
|
65
|
63
|
|
|
2025/03
|
234
|
73
|
37
|
51
|
75
|
26
|
86
|
121
|
142
|
136
|
181
|
99
|
120
|
75
|
50
|
21
|
42
|
37
|
46
|
41
|
38
|
56
|
112
|
89
|
50
|
81
|
61
|
37
|
25
|
48
|
69
|
|
2025/02
|
78
|
65
|
14
|
22
|
26
|
67
|
21
|
15
|
33
|
103
|
140
|
46
|
72
|
84
|
103
|
33
|
27
|
51
|
34
|
38
|
28
|
24
|
24
|
55
|
61
|
62
|
136
|
180
|
|||
|
2025/01
|
74
|
34
|
48
|
83
|
76
|
22
|
30
|
21
|
20
|
41
|
47
|
41
|
76
|
48
|
32
|
52
|
76
|
112
|
59
|
87
|
76
|
58
|
70
|
108
|
132
|
109
|
21
|
40
|
196
|
82
|
77
|
|
2024/12
|
96
|
24
|
58
|
73
|
55
|
34
|
19
|
42
|
64
|
52
|
53
|
87
|
46
|
36
|
47
|
54
|
29
|
23
|
60
|
57
|
24
|
36
|
53
|
90
|
101
|
32
|
33
|
44
|
77
|
73
|
59
|
|
2024/11
|
119
|
89
|
60
|
26
|
55
|
68
|
118
|
147
|
132
|
126
|
98
|
124
|
101
|
45
|
59
|
53
|
41
|
58
|
65
|
86
|
45
|
37
|
53
|
114
|
58
|
20
|
22
|
28
|
47
|
58
|
|
|
2024/10
|
15
|
22
|
45
|
66
|
84
|
96
|
37
|
50
|
110
|
31
|
71
|
112
|
127
|
121
|
68
|
54
|
65
|
46
|
20
|
39
|
57
|
37
|
55
|
101
|
152
|
204
|
64
|
62
|
113
|
160
|
171
|
|
2024/09
|
33
|
19
|
43
|
59
|
31
|
31
|
39
|
41
|
61
|
26
|
29
|
31
|
46
|
36
|
40
|
54
|
51
|
53
|
53
|
31
|
12
|
19
|
42
|
63
|
52
|
50
|
48
|
63
|
74
|
11
|
|
|
2024/08
|
32
|
45
|
35
|
26
|
17
|
38
|
48
|
42
|
46
|
47
|
35
|
16
|
18
|
32
|
48
|
44
|
47
|
26
|
29
|
23
|
23
|
32
|
44
|
35
|
41
|
18
|
21
|
35
|
45
|
58
|
55
|
|
2024/07
|
35
|
39
|
44
|
66
|
69
|
30
|
54
|
35
|
63
|
66
|
71
|
59
|
58
|
77
|
55
|
42
|
31
|
38
|
52
|
37
|
46
|
38
|
54
|
47
|
19
|
24
|
35
|
30
|
38
|
15
|
30
|
|
2024/06
|
47
|
59
|
57
|
63
|
64
|
74
|
59
|
50
|
59
|
65
|
63
|
65
|
82
|
45
|
45
|
64
|
64
|
64
|
64
|
63
|
54
|
83
|
89
|
38
|
46
|
71
|
59
|
66
|
68
|
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