Air Quality
Excellent
No health implications.
15
PM2.5
30
PM10
141
O3
0.6
CO
3
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 May
72
Good
Sat
17 May
65
Good
Sun
18 May
67
Good
Mon
19 May
88
Good
Tue
20 May
80
Good
Wed
21 May
51
Good
Thu
22 May
34
Excellent
Air quality in the last 12 months (Yuhua)
|
2025/02
|
61
|
50
|
69
|
74
|
76
|
74
|
81
|
45
|
48
|
54
|
77
|
92
|
119
|
111
|
65
|
77
|
65
|
49
|
47
|
52
|
120
|
32
|
66
|
92
|
99
|
88
|
65
|
57
|
|||
|
2025/01
|
137
|
156
|
188
|
216
|
76
|
86
|
91
|
72
|
66
|
57
|
65
|
79
|
76
|
78
|
86
|
62
|
71
|
78
|
125
|
129
|
100
|
92
|
258
|
194
|
15
|
38
|
67
|
97
|
212
|
83
|
60
|
|
2024/12
|
64
|
68
|
128
|
137
|
50
|
63
|
70
|
102
|
84
|
66
|
69
|
99
|
108
|
61
|
64
|
77
|
63
|
87
|
88
|
110
|
106
|
84
|
75
|
101
|
118
|
123
|
184
|
90
|
92
|
108
|
129
|
|
2024/11
|
88
|
132
|
122
|
105
|
110
|
92
|
60
|
57
|
84
|
98
|
84
|
95
|
86
|
133
|
165
|
152
|
22
|
17
|
33
|
42
|
51
|
67
|
70
|
95
|
37
|
32
|
45
|
55
|
61
|
60
|
|
|
2024/10
|
37
|
58
|
59
|
48
|
56
|
86
|
65
|
49
|
61
|
74
|
72
|
82
|
194
|
60
|
80
|
86
|
42
|
47
|
28
|
49
|
41
|
20
|
41
|
51
|
70
|
76
|
93
|
143
|
105
|
64
|
69
|
|
2024/09
|
51
|
47
|
59
|
58
|
47
|
52
|
48
|
34
|
42
|
42
|
49
|
36
|
35
|
45
|
50
|
50
|
52
|
50
|
45
|
52
|
42
|
41
|
44
|
55
|
65
|
74
|
89
|
58
|
41
|
53
|
|
|
2024/08
|
22
|
27
|
24
|
36
|
38
|
34
|
32
|
36
|
38
|
43
|
40
|
34
|
32
|
42
|
44
|
31
|
42
|
24
|
31
|
41
|
47
|
38
|
32
|
29
|
39
|
39
|
47
|
32
|
33
|
42
|
47
|
|
2024/07
|
24
|
26
|
28
|
23
|
25
|
26
|
29
|
27
|
29
|
34
|
31
|
34
|
33
|
28
|
32
|
28
|
24
|
25
|
22
|
26
|
28
|
25
|
30
|
37
|
44
|
40
|
28
|
10
|
15
|
14
|
18
|
|
2024/06
|
24
|
39
|
43
|
26
|
29
|
40
|
37
|
46
|
31
|
18
|
19
|
20
|
26
|
24
|
27
|
25
|
19
|
24
|
17
|
27
|
29
|
29
|
27
|
14
|
14
|
14
|
25
|
29
|
28
|
16
|
|
|
2024/05
|
37
|
41
|
30
|
15
|
37
|
36
|
51
|
73
|
54
|
63
|
52
|
108
|
91
|
63
|
61
|
72
|
64
|
57
|
54
|
34
|
58
|
26
|
40
|
48
|
35
|
34
|
26
|
30
|
35
|
20
|
41
|
|
2024/04
|
34
|
28
|
45
|
63
|
67
|
69
|
73
|
65
|
44
|
44
|
62
|
48
|
49
|
42
|
67
|
33
|
40
|
47
|
31
|
31
|
49
|
60
|
40
|
56
|
60
|
49
|
52
|
43
|
34
|
13
|
|
|
2024/03
|
94
|
63
|
48
|
36
|
71
|
112
|
75
|
74
|
73
|
75
|
79
|
64
|
59
|
79
|
62
|
55
|
60
|
29
|
60
|
77
|
72
|
55
|
33
|
55
|
31
|
34
|
48
|
40
|
41
|
50
|
39
|
|
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