Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
90
O3
0.5
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Apr
88
Good
Sun
19 Apr
74
Good
Mon
20 Apr
93
Good
Tue
21 Apr
90
Good
Wed
22 Apr
75
Good
Thu
23 Apr
85
Good
Fri
24 Apr
38
Excellent
Air quality in the last 12 months (Huangdao)
|
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
|
|
2025/04
|
58
|
40
|
26
|
27
|
45
|
54
|
78
|
72
|
56
|
56
|
43
|
104
|
48
|
53
|
43
|
60
|
87
|
66
|
48
|
33
|
31
|
37
|
24
|
66
|
45
|
50
|
34
|
43
|
47
|
64
|
|
|
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