Air Quality
Excellent
No health implications.
17
PM2.5
46
PM10
112
O3
0.4
CO
8
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 May
95
Good
Sun
4 May
91
Good
Mon
5 May
98
Good
Tue
6 May
104
Light
Wed
7 May
94
Good
Thu
8 May
91
Good
Fri
9 May
32
Excellent
Air quality in the last 12 months (Guzhen)
|
2025/02
|
106
|
100
|
126
|
102
|
66
|
55
|
77
|
43
|
53
|
67
|
89
|
122
|
77
|
89
|
109
|
97
|
60
|
66
|
78
|
51
|
51
|
74
|
82
|
56
|
72
|
117
|
102
|
112
|
|||
|
2025/01
|
103
|
153
|
110
|
126
|
156
|
89
|
59
|
77
|
46
|
61
|
84
|
88
|
101
|
133
|
69
|
72
|
112
|
117
|
151
|
130
|
157
|
163
|
69
|
54
|
43
|
96
|
53
|
76
|
152
|
88
|
126
|
|
2024/12
|
92
|
119
|
62
|
91
|
121
|
157
|
127
|
48
|
68
|
94
|
110
|
84
|
104
|
82
|
78
|
98
|
130
|
75
|
68
|
95
|
89
|
65
|
85
|
113
|
144
|
158
|
97
|
83
|
69
|
100
|
113
|
|
2024/11
|
64
|
127
|
116
|
95
|
61
|
74
|
52
|
46
|
62
|
58
|
65
|
75
|
100
|
92
|
86
|
68
|
43
|
40
|
35
|
53
|
68
|
94
|
48
|
52
|
40
|
50
|
77
|
63
|
59
|
80
|
|
|
2024/10
|
35
|
45
|
47
|
48
|
43
|
26
|
19
|
62
|
53
|
71
|
87
|
99
|
77
|
71
|
85
|
78
|
43
|
27
|
43
|
50
|
64
|
76
|
73
|
57
|
70
|
65
|
97
|
96
|
86
|
77
|
69
|
|
2024/09
|
48
|
40
|
37
|
44
|
52
|
42
|
41
|
37
|
32
|
37
|
44
|
24
|
32
|
52
|
37
|
46
|
13
|
28
|
25
|
30
|
31
|
36
|
39
|
53
|
58
|
51
|
54
|
40
|
45
|
46
|
|
|
2024/08
|
23
|
19
|
27
|
32
|
30
|
21
|
29
|
29
|
41
|
47
|
86
|
51
|
49
|
33
|
30
|
29
|
30
|
36
|
33
|
30
|
47
|
48
|
49
|
45
|
50
|
42
|
15
|
25
|
32
|
36
|
40
|
|
2024/07
|
26
|
31
|
38
|
14
|
22
|
22
|
27
|
29
|
20
|
53
|
57
|
38
|
26
|
21
|
19
|
41
|
31
|
19
|
28
|
23
|
26
|
29
|
37
|
42
|
29
|
23
|
16
|
17
|
18
|
21
|
27
|
|
2024/06
|
54
|
56
|
72
|
68
|
66
|
48
|
45
|
58
|
67
|
51
|
44
|
53
|
57
|
65
|
53
|
59
|
52
|
52
|
53
|
51
|
33
|
39
|
43
|
78
|
85
|
57
|
54
|
25
|
18
|
27
|
|
|
2024/05
|
51
|
46
|
53
|
51
|
55
|
58
|
65
|
52
|
50
|
57
|
94
|
137
|
103
|
68
|
72
|
53
|
63
|
67
|
52
|
53
|
40
|
46
|
51
|
61
|
50
|
60
|
41
|
45
|
53
|
47
|
61
|
|
2024/04
|
86
|
75
|
83
|
48
|
57
|
59
|
75
|
57
|
61
|
74
|
60
|
79
|
57
|
51
|
44
|
79
|
117
|
92
|
66
|
77
|
66
|
64
|
84
|
85
|
68
|
69
|
58
|
39
|
38
|
60
|
|
|
2024/03
|
53
|
65
|
72
|
86
|
36
|
72
|
104
|
78
|
63
|
108
|
92
|
93
|
81
|
65
|
87
|
109
|
162
|
65
|
94
|
106
|
75
|
69
|
72
|
53
|
50
|
70
|
81
|
75
|
63
|
83
|
86
|
|
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