Air Quality
Excellent
No health implications.
7
PM2.5
17
PM10
75
O3
0.5
CO
4
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 May
51
Good
Tue
19 May
42
Excellent
Wed
20 May
49
Excellent
Thu
21 May
62
Good
Fri
22 May
52
Good
Sat
23 May
65
Good
Sun
24 May
30
Excellent
Air quality in the last 12 months (Huangdao)
|
2026/04
|
81
|
88
|
59
|
39
|
63
|
48
|
29
|
32
|
40
|
76
|
95
|
73
|
61
|
59
|
60
|
62
|
38
|
27
|
30
|
72
|
80
|
38
|
42
|
61
|
52
|
51
|
71
|
39
|
42
|
55
|
|
|
2026/03
|
64
|
68
|
93
|
87
|
63
|
48
|
30
|
32
|
52
|
44
|
40
|
89
|
83
|
59
|
74
|
85
|
53
|
47
|
30
|
90
|
76
|
71
|
105
|
99
|
87
|
126
|
139
|
118
|
71
|
57
|
56
|
|
2026/02
|
154
|
151
|
84
|
97
|
150
|
46
|
33
|
35
|
55
|
75
|
106
|
157
|
140
|
95
|
66
|
54
|
159
|
59
|
80
|
83
|
58
|
95
|
49
|
28
|
59
|
53
|
77
|
93
|
|||
|
2026/01
|
29
|
34
|
67
|
160
|
99
|
133
|
89
|
38
|
72
|
88
|
30
|
60
|
70
|
67
|
169
|
132
|
30
|
26
|
28
|
28
|
26
|
40
|
73
|
127
|
54
|
63
|
89
|
70
|
56
|
29
|
109
|
|
2025/12
|
57
|
35
|
36
|
50
|
30
|
90
|
110
|
49
|
56
|
37
|
69
|
32
|
52
|
43
|
72
|
103
|
63
|
48
|
72
|
101
|
29
|
33
|
45
|
70
|
33
|
20
|
46
|
81
|
153
|
67
|
32
|
|
2025/11
|
80
|
46
|
17
|
22
|
14
|
34
|
45
|
47
|
91
|
47
|
53
|
57
|
90
|
64
|
126
|
95
|
36
|
38
|
39
|
63
|
39
|
96
|
102
|
119
|
43
|
64
|
104
|
91
|
111
|
139
|
|
|
2025/10
|
51
|
31
|
15
|
24
|
15
|
14
|
34
|
25
|
25
|
23
|
25
|
21
|
29
|
35
|
23
|
43
|
54
|
27
|
27
|
22
|
20
|
26
|
39
|
47
|
66
|
64
|
24
|
37
|
17
|
14
|
37
|
|
2025/09
|
17
|
25
|
19
|
16
|
19
|
24
|
37
|
31
|
48
|
38
|
20
|
18
|
13
|
28
|
20
|
17
|
17
|
18
|
20
|
29
|
42
|
32
|
24
|
39
|
50
|
53
|
46
|
31
|
59
|
66
|
|
|
2025/08
|
15
|
15
|
13
|
14
|
12
|
26
|
38
|
19
|
13
|
18
|
18
|
11
|
13
|
20
|
14
|
21
|
38
|
32
|
22
|
30
|
18
|
28
|
44
|
31
|
35
|
26
|
19
|
25
|
32
|
22
|
20
|
|
2025/07
|
21
|
29
|
32
|
46
|
51
|
46
|
35
|
10
|
24
|
31
|
31
|
29
|
40
|
25
|
24
|
25
|
25
|
33
|
20
|
19
|
18
|
18
|
15
|
21
|
22
|
26
|
24
|
20
|
13
|
21
|
18
|
|
2025/06
|
34
|
19
|
30
|
24
|
41
|
54
|
31
|
22
|
10
|
21
|
22
|
9
|
9
|
15
|
30
|
33
|
28
|
35
|
11
|
15
|
44
|
61
|
38
|
24
|
46
|
64
|
32
|
36
|
10
|
10
|
|
|
2025/05
|
50
|
42
|
37
|
37
|
18
|
15
|
16
|
32
|
17
|
30
|
45
|
57
|
54
|
53
|
39
|
11
|
52
|
33
|
58
|
64
|
16
|
55
|
56
|
46
|
34
|
53
|
52
|
22
|
24
|
31
|
31
|
|
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