Air Quality
Excellent
No health implications.
20
PM2.5
31
PM10
137
O3
0.4
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jul
113
Light
Wed
2 Jul
116
Light
Thu
3 Jul
129
Light
Fri
4 Jul
126
Light
Sat
5 Jul
135
Light
Sun
6 Jul
127
Light
Mon
7 Jul
15
Excellent
Air quality in the last 12 months (Guanyun)
|
2025/05
|
57
|
64
|
47
|
39
|
24
|
55
|
55
|
45
|
10
|
24
|
43
|
49
|
52
|
76
|
79
|
51
|
69
|
34
|
68
|
57
|
60
|
58
|
58
|
53
|
47
|
60
|
52
|
36
|
35
|
49
|
62
|
|
2025/04
|
56
|
51
|
39
|
61
|
66
|
59
|
71
|
80
|
76
|
59
|
72
|
120
|
70
|
60
|
50
|
59
|
77
|
84
|
82
|
54
|
38
|
59
|
74
|
89
|
58
|
56
|
52
|
45
|
55
|
63
|
|
|
2025/03
|
55
|
23
|
37
|
39
|
62
|
62
|
73
|
99
|
101
|
68
|
90
|
104
|
69
|
56
|
39
|
40
|
52
|
41
|
42
|
62
|
59
|
60
|
80
|
99
|
116
|
94
|
134
|
77
|
58
|
52
|
58
|
|
2025/02
|
52
|
99
|
84
|
44
|
53
|
50
|
56
|
39
|
49
|
63
|
57
|
73
|
52
|
74
|
99
|
103
|
47
|
53
|
39
|
35
|
40
|
42
|
51
|
53
|
69
|
114
|
153
|
160
|
|||
|
2025/01
|
87
|
95
|
53
|
65
|
151
|
97
|
55
|
60
|
45
|
46
|
78
|
106
|
96
|
110
|
50
|
69
|
79
|
108
|
139
|
106
|
118
|
72
|
53
|
29
|
47
|
98
|
50
|
68
|
115
|
78
|
87
|
|
2024/12
|
82
|
99
|
49
|
68
|
162
|
163
|
98
|
45
|
63
|
84
|
64
|
42
|
75
|
64
|
82
|
85
|
94
|
43
|
49
|
88
|
87
|
53
|
64
|
91
|
110
|
87
|
67
|
67
|
67
|
100
|
73
|
|
2024/11
|
47
|
76
|
92
|
72
|
36
|
46
|
39
|
39
|
39
|
38
|
61
|
105
|
79
|
50
|
54
|
72
|
37
|
28
|
29
|
49
|
80
|
60
|
32
|
32
|
22
|
41
|
63
|
61
|
60
|
69
|
|
|
2024/10
|
24
|
26
|
36
|
35
|
22
|
26
|
43
|
39
|
46
|
72
|
116
|
97
|
41
|
52
|
96
|
63
|
21
|
16
|
37
|
38
|
39
|
59
|
40
|
54
|
51
|
33
|
69
|
38
|
49
|
66
|
56
|
|
2024/09
|
41
|
27
|
28
|
25
|
36
|
27
|
22
|
19
|
20
|
19
|
22
|
11
|
28
|
33
|
30
|
29
|
15
|
17
|
17
|
14
|
26
|
30
|
30
|
33
|
27
|
44
|
37
|
21
|
28
|
33
|
|
|
2024/08
|
20
|
16
|
26
|
33
|
30
|
19
|
19
|
19
|
30
|
34
|
91
|
53
|
52
|
25
|
25
|
21
|
26
|
18
|
14
|
12
|
26
|
47
|
46
|
47
|
30
|
28
|
14
|
22
|
24
|
30
|
35
|
|
2024/07
|
37
|
20
|
43
|
23
|
26
|
18
|
19
|
17
|
14
|
58
|
80
|
72
|
18
|
15
|
18
|
38
|
25
|
12
|
16
|
14
|
24
|
27
|
40
|
45
|
22
|
25
|
23
|
21
|
26
|
37
|
32
|
|
2024/06
|
24
|
41
|
56
|
37
|
34
|
34
|
34
|
57
|
65
|
62
|
57
|
58
|
55
|
61
|
34
|
42
|
36
|
48
|
26
|
15
|
31
|
33
|
56
|
105
|
63
|
34
|
31
|
36
|
14
|
27
|
|
|
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