Air Quality
Excellent
No health implications.
22
PM2.5
37
PM10
75
O3
0.5
CO
8
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
79
Good
Mon
5 May
94
Good
Tue
6 May
102
Light
Wed
7 May
95
Good
Thu
8 May
77
Good
Fri
9 May
84
Good
Sat
10 May
20
Excellent
Air quality in the last 12 months (Guangshui)
|
2025/02
|
85
|
75
|
96
|
79
|
58
|
41
|
78
|
48
|
52
|
70
|
89
|
88
|
64
|
78
|
77
|
84
|
76
|
67
|
98
|
96
|
77
|
93
|
121
|
100
|
86
|
109
|
78
|
86
|
|||
|
2025/01
|
127
|
159
|
149
|
206
|
89
|
78
|
59
|
63
|
49
|
59
|
72
|
96
|
92
|
116
|
61
|
62
|
69
|
91
|
143
|
107
|
119
|
174
|
161
|
69
|
30
|
48
|
59
|
66
|
163
|
100
|
121
|
|
2024/12
|
81
|
94
|
102
|
90
|
61
|
62
|
70
|
61
|
57
|
81
|
86
|
103
|
88
|
53
|
56
|
80
|
103
|
77
|
63
|
94
|
91
|
53
|
72
|
93
|
106
|
133
|
173
|
50
|
68
|
89
|
90
|
|
2024/11
|
127
|
102
|
100
|
90
|
54
|
64
|
57
|
60
|
64
|
63
|
68
|
74
|
63
|
96
|
112
|
67
|
29
|
30
|
31
|
40
|
42
|
60
|
91
|
65
|
38
|
33
|
49
|
52
|
49
|
65
|
|
|
2024/10
|
34
|
57
|
43
|
42
|
56
|
35
|
32
|
45
|
58
|
104
|
84
|
91
|
80
|
57
|
73
|
74
|
41
|
16
|
30
|
39
|
39
|
34
|
39
|
49
|
48
|
63
|
115
|
116
|
77
|
68
|
49
|
|
2024/09
|
38
|
46
|
31
|
35
|
45
|
35
|
42
|
45
|
45
|
39
|
40
|
27
|
21
|
38
|
47
|
38
|
39
|
29
|
19
|
40
|
32
|
30
|
37
|
39
|
50
|
49
|
55
|
43
|
38
|
37
|
|
|
2024/08
|
12
|
14
|
20
|
17
|
18
|
18
|
22
|
31
|
28
|
27
|
73
|
48
|
26
|
35
|
29
|
21
|
30
|
39
|
27
|
21
|
19
|
35
|
31
|
30
|
30
|
33
|
17
|
22
|
32
|
28
|
30
|
|
2024/07
|
31
|
28
|
28
|
17
|
20
|
18
|
19
|
19
|
16
|
27
|
30
|
23
|
13
|
11
|
29
|
36
|
23
|
19
|
17
|
18
|
19
|
21
|
22
|
30
|
30
|
26
|
15
|
11
|
13
|
17
|
15
|
|
2024/06
|
45
|
41
|
34
|
31
|
31
|
41
|
36
|
41
|
32
|
29
|
29
|
35
|
34
|
37
|
39
|
43
|
35
|
36
|
26
|
24
|
35
|
26
|
26
|
54
|
43
|
37
|
28
|
10
|
15
|
26
|
|
|
2024/05
|
45
|
41
|
41
|
38
|
47
|
45
|
48
|
47
|
54
|
58
|
98
|
108
|
86
|
70
|
97
|
55
|
67
|
58
|
62
|
50
|
52
|
42
|
33
|
41
|
39
|
48
|
48
|
31
|
34
|
37
|
52
|
|
2024/04
|
47
|
35
|
73
|
65
|
52
|
36
|
51
|
51
|
41
|
51
|
54
|
47
|
51
|
53
|
49
|
40
|
56
|
46
|
42
|
52
|
69
|
64
|
88
|
87
|
88
|
71
|
55
|
51
|
49
|
55
|
|
|
2024/03
|
99
|
85
|
56
|
53
|
142
|
116
|
95
|
76
|
69
|
81
|
76
|
83
|
83
|
80
|
69
|
95
|
98
|
78
|
75
|
90
|
72
|
63
|
50
|
32
|
41
|
40
|
47
|
61
|
47
|
53
|
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