Air Quality
Excellent
No health implications.
24
PM2.5
42
PM10
89
O3
0.6
CO
11
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
84
Good
Mon
5 May
96
Good
Tue
6 May
100
Good
Wed
7 May
93
Good
Thu
8 May
83
Good
Fri
9 May
95
Good
Sat
10 May
48
Excellent
Air quality in the last 12 months (Guangshan)
|
2025/02
|
98
|
90
|
130
|
76
|
64
|
45
|
86
|
54
|
52
|
63
|
73
|
95
|
89
|
74
|
80
|
84
|
82
|
77
|
99
|
79
|
68
|
85
|
116
|
82
|
83
|
100
|
74
|
88
|
|||
|
2025/01
|
106
|
170
|
165
|
212
|
91
|
77
|
58
|
63
|
49
|
56
|
74
|
76
|
83
|
119
|
63
|
61
|
70
|
85
|
128
|
124
|
119
|
204
|
158
|
81
|
45
|
66
|
57
|
90
|
197
|
104
|
133
|
|
2024/12
|
63
|
91
|
90
|
88
|
69
|
66
|
95
|
55
|
63
|
83
|
97
|
103
|
89
|
65
|
56
|
68
|
90
|
78
|
57
|
86
|
84
|
58
|
79
|
106
|
114
|
141
|
150
|
54
|
63
|
86
|
94
|
|
2024/11
|
112
|
108
|
92
|
90
|
60
|
68
|
54
|
56
|
71
|
81
|
71
|
69
|
70
|
100
|
120
|
81
|
33
|
35
|
36
|
45
|
46
|
71
|
72
|
57
|
46
|
45
|
58
|
52
|
45
|
58
|
|
|
2024/10
|
36
|
61
|
50
|
46
|
57
|
34
|
31
|
49
|
54
|
88
|
101
|
80
|
86
|
59
|
72
|
88
|
36
|
19
|
36
|
45
|
53
|
43
|
49
|
49
|
56
|
68
|
121
|
150
|
103
|
64
|
48
|
|
2024/09
|
37
|
48
|
32
|
41
|
50
|
45
|
51
|
53
|
47
|
45
|
46
|
25
|
28
|
47
|
51
|
42
|
43
|
32
|
30
|
40
|
38
|
35
|
48
|
45
|
52
|
54
|
52
|
46
|
51
|
49
|
|
|
2024/08
|
15
|
16
|
22
|
21
|
22
|
21
|
23
|
29
|
32
|
35
|
72
|
51
|
34
|
35
|
27
|
23
|
31
|
41
|
28
|
20
|
27
|
33
|
32
|
33
|
35
|
39
|
19
|
25
|
31
|
30
|
34
|
|
2024/07
|
31
|
25
|
28
|
15
|
21
|
22
|
21
|
24
|
18
|
34
|
34
|
24
|
19
|
20
|
27
|
37
|
25
|
18
|
19
|
19
|
19
|
23
|
25
|
34
|
30
|
29
|
16
|
10
|
13
|
18
|
16
|
|
2024/06
|
55
|
51
|
41
|
46
|
42
|
41
|
37
|
44
|
41
|
28
|
28
|
35
|
35
|
40
|
52
|
55
|
46
|
41
|
30
|
26
|
20
|
24
|
29
|
67
|
66
|
45
|
37
|
12
|
12
|
18
|
|
|
2024/05
|
56
|
47
|
47
|
45
|
51
|
40
|
51
|
51
|
52
|
57
|
107
|
122
|
92
|
66
|
100
|
49
|
64
|
58
|
59
|
59
|
53
|
42
|
36
|
38
|
50
|
51
|
46
|
39
|
43
|
64
|
69
|
|
2024/04
|
57
|
52
|
80
|
60
|
54
|
45
|
62
|
51
|
41
|
57
|
51
|
49
|
64
|
62
|
57
|
54
|
61
|
45
|
55
|
70
|
77
|
62
|
101
|
100
|
84
|
66
|
61
|
48
|
49
|
57
|
|
|
2024/03
|
82
|
79
|
55
|
65
|
141
|
120
|
89
|
78
|
66
|
78
|
79
|
84
|
90
|
83
|
98
|
104
|
113
|
88
|
89
|
99
|
72
|
63
|
51
|
41
|
47
|
48
|
48
|
64
|
50
|
55
|
82
|
|
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