Air Quality
Excellent
No health implications.
22
PM2.5
36
PM10
90
O3
0.5
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 May
51
Good
Mon
18 May
37
Excellent
Tue
19 May
39
Excellent
Wed
20 May
42
Excellent
Thu
21 May
56
Good
Fri
22 May
50
Excellent
Sat
23 May
24
Excellent
Air quality in the last 12 months (Guangshui)
|
2026/04
|
52
|
55
|
34
|
67
|
77
|
75
|
63
|
52
|
27
|
44
|
58
|
48
|
29
|
24
|
28
|
36
|
46
|
53
|
56
|
73
|
37
|
27
|
33
|
34
|
44
|
54
|
47
|
35
|
31
|
41
|
|
|
2026/03
|
26
|
35
|
49
|
84
|
79
|
63
|
82
|
74
|
87
|
82
|
76
|
106
|
68
|
89
|
59
|
70
|
50
|
63
|
82
|
77
|
68
|
68
|
82
|
79
|
74
|
85
|
63
|
54
|
64
|
45
|
67
|
|
2026/02
|
68
|
84
|
83
|
91
|
104
|
120
|
65
|
70
|
62
|
67
|
87
|
88
|
69
|
73
|
87
|
36
|
81
|
82
|
78
|
58
|
48
|
102
|
116
|
46
|
34
|
25
|
59
|
40
|
|||
|
2026/01
|
51
|
76
|
88
|
82
|
97
|
61
|
45
|
55
|
73
|
100
|
72
|
80
|
110
|
109
|
97
|
123
|
152
|
82
|
39
|
50
|
45
|
77
|
88
|
97
|
137
|
173
|
110
|
85
|
84
|
62
|
60
|
|
2025/12
|
105
|
96
|
58
|
56
|
96
|
93
|
107
|
105
|
140
|
144
|
204
|
80
|
46
|
57
|
64
|
85
|
182
|
184
|
160
|
156
|
78
|
55
|
53
|
95
|
78
|
72
|
86
|
102
|
108
|
172
|
82
|
|
2025/11
|
53
|
67
|
84
|
63
|
66
|
71
|
21
|
32
|
60
|
72
|
62
|
44
|
56
|
90
|
75
|
91
|
38
|
27
|
29
|
42
|
55
|
66
|
88
|
101
|
91
|
73
|
113
|
88
|
76
|
85
|
|
|
2025/10
|
30
|
23
|
14
|
33
|
47
|
41
|
27
|
38
|
49
|
21
|
19
|
27
|
14
|
27
|
26
|
21
|
12
|
17
|
24
|
24
|
33
|
43
|
41
|
48
|
79
|
59
|
50
|
54
|
70
|
40
|
42
|
|
2025/09
|
21
|
25
|
27
|
36
|
32
|
32
|
41
|
33
|
22
|
20
|
20
|
12
|
18
|
23
|
26
|
37
|
16
|
14
|
10
|
19
|
32
|
19
|
10
|
14
|
20
|
13
|
25
|
32
|
17
|
18
|
|
|
2025/08
|
31
|
19
|
27
|
37
|
35
|
29
|
25
|
21
|
20
|
20
|
16
|
18
|
18
|
28
|
27
|
24
|
29
|
34
|
25
|
17
|
18
|
20
|
23
|
29
|
36
|
28
|
32
|
34
|
38
|
30
|
20
|
|
2025/07
|
19
|
17
|
18
|
22
|
31
|
36
|
31
|
39
|
23
|
31
|
49
|
37
|
25
|
28
|
36
|
37
|
39
|
36
|
34
|
31
|
26
|
19
|
17
|
23
|
23
|
24
|
21
|
19
|
21
|
31
|
31
|
|
2025/06
|
38
|
39
|
50
|
52
|
49
|
55
|
42
|
39
|
33
|
31
|
33
|
43
|
36
|
30
|
34
|
48
|
31
|
20
|
16
|
20
|
22
|
19
|
27
|
24
|
29
|
17
|
19
|
20
|
14
|
22
|
|
|
2025/05
|
48
|
60
|
48
|
43
|
42
|
105
|
106
|
50
|
57
|
39
|
46
|
46
|
54
|
67
|
74
|
48
|
70
|
119
|
114
|
60
|
47
|
38
|
58
|
54
|
51
|
61
|
61
|
58
|
44
|
40
|
19
|
|
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