Air Quality
Excellent
No health implications.
4
PM2.5
11
PM10
32
O3
0.6
CO
3
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Mar
80
Good
Sat
15 Mar
66
Good
Sun
16 Mar
79
Good
Mon
17 Mar
84
Good
Tue
18 Mar
73
Good
Wed
19 Mar
78
Good
Thu
20 Mar
25
Excellent
Air quality in the last 12 months (Yuhua)
|
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
|
|
2024/02
|
43
|
21
|
27
|
60
|
72
|
48
|
97
|
121
|
163
|
286
|
107
|
67
|
54
|
53
|
69
|
43
|
42
|
36
|
69
|
22
|
16
|
37
|
49
|
49
|
71
|
74
|
87
|
72
|
74
|
||
|
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