Air Quality
Excellent
No health implications.
10
PM2.5
24
PM10
59
O3
0.5
CO
12
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jan
41
Excellent
Tue
20 Jan
52
Good
Wed
21 Jan
51
Good
Thu
22 Jan
66
Good
Fri
23 Jan
123
Light
Sat
24 Jan
117
Light
Sun
25 Jan
29
Excellent
Air quality in the last 12 months (Huangdao)
|
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
|
|
|
2025/03
|
12
|
29
|
42
|
34
|
34
|
55
|
26
|
94
|
96
|
64
|
25
|
61
|
60
|
54
|
50
|
38
|
49
|
30
|
49
|
72
|
54
|
67
|
80
|
113
|
101
|
104
|
130
|
58
|
35
|
47
|
66
|
|
2025/02
|
45
|
68
|
54
|
25
|
29
|
51
|
55
|
27
|
34
|
53
|
30
|
64
|
65
|
72
|
105
|
90
|
40
|
22
|
35
|
39
|
40
|
30
|
45
|
40
|
71
|
98
|
81
|
40
|
|||
|
2025/01
|
84
|
77
|
53
|
56
|
174
|
89
|
34
|
43
|
31
|
31
|
59
|
78
|
88
|
89
|
30
|
59
|
53
|
89
|
115
|
54
|
61
|
74
|
35
|
23
|
65
|
65
|
48
|
34
|
58
|
38
|
65
|
|
2024/12
|
68
|
74
|
31
|
52
|
92
|
60
|
44
|
39
|
58
|
95
|
50
|
38
|
63
|
46
|
57
|
55
|
79
|
28
|
38
|
70
|
53
|
49
|
60
|
50
|
93
|
55
|
54
|
57
|
64
|
79
|
58
|
|
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