Air Quality
Excellent
No health implications.
17
PM2.5
32
PM10
77
O3
0.6
CO
7
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 May
85
Good
Sat
16 May
57
Good
Sun
17 May
61
Good
Mon
18 May
61
Good
Tue
19 May
52
Good
Wed
20 May
56
Good
Thu
21 May
45
Excellent
Air quality in the last 12 months (Yuhua)
|
2026/04
|
53
|
38
|
28
|
48
|
65
|
49
|
72
|
65
|
44
|
44
|
34
|
38
|
37
|
27
|
32
|
28
|
47
|
56
|
54
|
49
|
17
|
21
|
35
|
45
|
46
|
50
|
61
|
31
|
30
|
35
|
|
|
2026/03
|
12
|
30
|
52
|
52
|
54
|
79
|
81
|
50
|
73
|
80
|
50
|
66
|
44
|
51
|
107
|
14
|
25
|
25
|
37
|
44
|
36
|
34
|
32
|
59
|
86
|
36
|
77
|
67
|
55
|
32
|
39
|
|
2026/02
|
45
|
72
|
64
|
72
|
99
|
112
|
78
|
65
|
58
|
57
|
55
|
62
|
67
|
46
|
55
|
22
|
76
|
54
|
56
|
42
|
38
|
51
|
53
|
35
|
42
|
20
|
29
|
30
|
|||
|
2026/01
|
39
|
57
|
63
|
52
|
69
|
92
|
76
|
64
|
63
|
72
|
84
|
69
|
89
|
63
|
91
|
109
|
166
|
167
|
23
|
35
|
62
|
63
|
80
|
57
|
75
|
131
|
137
|
86
|
68
|
35
|
46
|
|
2025/12
|
105
|
121
|
74
|
61
|
84
|
91
|
104
|
135
|
101
|
124
|
160
|
171
|
31
|
53
|
56
|
60
|
98
|
141
|
86
|
120
|
116
|
74
|
49
|
75
|
74
|
67
|
81
|
73
|
78
|
173
|
159
|
|
2025/11
|
67
|
58
|
49
|
48
|
50
|
38
|
56
|
11
|
18
|
22
|
55
|
56
|
46
|
56
|
64
|
72
|
65
|
28
|
30
|
46
|
61
|
57
|
69
|
65
|
67
|
70
|
91
|
86
|
66
|
61
|
|
|
2025/10
|
50
|
51
|
46
|
43
|
48
|
31
|
51
|
70
|
56
|
49
|
109
|
168
|
83
|
66
|
64
|
44
|
29
|
10
|
9
|
10
|
19
|
31
|
39
|
45
|
74
|
75
|
76
|
65
|
71
|
97
|
67
|
|
2025/09
|
30
|
23
|
31
|
32
|
40
|
40
|
46
|
29
|
37
|
34
|
26
|
25
|
33
|
35
|
33
|
35
|
30
|
32
|
19
|
27
|
31
|
29
|
33
|
18
|
19
|
30
|
45
|
56
|
53
|
50
|
|
|
2025/08
|
39
|
53
|
32
|
22
|
29
|
16
|
14
|
20
|
28
|
31
|
37
|
38
|
31
|
26
|
14
|
25
|
23
|
29
|
15
|
19
|
19
|
21
|
26
|
23
|
22
|
23
|
30
|
27
|
25
|
42
|
29
|
|
2025/07
|
17
|
13
|
25
|
33
|
40
|
41
|
50
|
50
|
34
|
21
|
28
|
24
|
26
|
23
|
29
|
25
|
32
|
36
|
32
|
25
|
13
|
13
|
13
|
21
|
26
|
29
|
26
|
24
|
28
|
24
|
31
|
|
2025/06
|
16
|
26
|
44
|
51
|
46
|
43
|
28
|
30
|
37
|
40
|
21
|
18
|
32
|
19
|
18
|
28
|
14
|
13
|
14
|
18
|
20
|
15
|
21
|
21
|
30
|
42
|
29
|
17
|
17
|
20
|
|
|
2025/05
|
65
|
64
|
67
|
59
|
47
|
62
|
64
|
42
|
39
|
56
|
49
|
51
|
49
|
56
|
59
|
34
|
33
|
50
|
38
|
20
|
22
|
25
|
37
|
59
|
59
|
56
|
64
|
28
|
23
|
27
|
21
|
|
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