Air Quality
Excellent
No health implications.
22
PM2.5
33
PM10
70
O3
0.5
CO
4
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 May
106
Light
Fri
16 May
124
Light
Sat
17 May
96
Good
Sun
18 May
101
Light
Mon
19 May
109
Light
Tue
20 May
27
Excellent
Wed
21 May
44
Excellent
Air quality in the last 12 months (Guangrao)
|
2025/02
|
49
|
91
|
38
|
25
|
34
|
63
|
46
|
25
|
45
|
71
|
73
|
83
|
71
|
80
|
97
|
64
|
44
|
43
|
45
|
50
|
46
|
38
|
47
|
51
|
69
|
86
|
119
|
145
|
|||
|
2025/01
|
113
|
55
|
74
|
132
|
160
|
55
|
47
|
36
|
28
|
50
|
72
|
83
|
96
|
93
|
35
|
56
|
57
|
104
|
115
|
73
|
99
|
46
|
78
|
109
|
60
|
68
|
38
|
46
|
154
|
86
|
64
|
|
2024/12
|
97
|
52
|
49
|
87
|
111
|
80
|
40
|
57
|
90
|
118
|
26
|
44
|
49
|
48
|
66
|
80
|
59
|
37
|
50
|
81
|
46
|
53
|
69
|
104
|
157
|
43
|
63
|
66
|
82
|
94
|
63
|
|
2024/11
|
76
|
74
|
82
|
36
|
51
|
62
|
63
|
64
|
69
|
78
|
96
|
132
|
130
|
69
|
92
|
80
|
37
|
35
|
56
|
82
|
84
|
53
|
36
|
65
|
47
|
30
|
37
|
46
|
57
|
68
|
|
|
2024/10
|
24
|
23
|
42
|
55
|
71
|
59
|
34
|
51
|
67
|
90
|
65
|
86
|
77
|
68
|
70
|
54
|
63
|
14
|
33
|
31
|
46
|
52
|
47
|
72
|
90
|
76
|
72
|
57
|
80
|
104
|
118
|
|
2024/09
|
47
|
18
|
28
|
46
|
36
|
19
|
30
|
46
|
43
|
45
|
16
|
28
|
32
|
23
|
16
|
28
|
31
|
35
|
32
|
25
|
17
|
28
|
35
|
51
|
63
|
47
|
32
|
54
|
47
|
28
|
|
|
2024/08
|
29
|
30
|
35
|
22
|
15
|
22
|
37
|
31
|
32
|
44
|
58
|
35
|
35
|
33
|
32
|
23
|
42
|
39
|
25
|
21
|
38
|
49
|
59
|
39
|
52
|
37
|
13
|
25
|
40
|
53
|
61
|
|
2024/07
|
47
|
43
|
46
|
37
|
29
|
18
|
35
|
27
|
57
|
58
|
66
|
76
|
78
|
43
|
36
|
23
|
44
|
52
|
41
|
21
|
33
|
25
|
34
|
37
|
21
|
14
|
14
|
12
|
23
|
24
|
27
|
|
2024/06
|
37
|
65
|
50
|
54
|
49
|
54
|
52
|
61
|
65
|
67
|
68
|
68
|
59
|
48
|
40
|
36
|
52
|
48
|
42
|
31
|
40
|
50
|
94
|
73
|
43
|
63
|
35
|
48
|
43
|
57
|
|
|
2024/05
|
52
|
57
|
61
|
46
|
37
|
60
|
69
|
62
|
62
|
58
|
250
|
68
|
61
|
95
|
49
|
58
|
67
|
81
|
63
|
26
|
51
|
57
|
57
|
52
|
47
|
51
|
43
|
39
|
51
|
44
|
48
|
|
2024/04
|
90
|
69
|
37
|
44
|
67
|
75
|
74
|
85
|
72
|
113
|
79
|
63
|
57
|
27
|
102
|
102
|
95
|
98
|
92
|
84
|
57
|
75
|
45
|
51
|
73
|
64
|
59
|
45
|
43
|
47
|
|
|
2024/03
|
45
|
83
|
94
|
104
|
62
|
42
|
82
|
42
|
66
|
94
|
117
|
95
|
96
|
99
|
84
|
79
|
92
|
86
|
112
|
41
|
91
|
78
|
78
|
58
|
33
|
64
|
50
|
241
|
159
|
98
|
76
|
|
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