Air Quality
Excellent
No health implications.
11
PM2.5
12
PM10
65
O3
0.5
CO
5
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 May
49
Excellent
Tue
20 May
50
Excellent
Wed
21 May
48
Excellent
Thu
22 May
49
Excellent
Fri
23 May
53
Good
Sat
24 May
54
Good
Sun
25 May
36
Excellent
Air quality in the last 12 months (Dunhua)
|
2025/02
|
71
|
84
|
61
|
44
|
47
|
43
|
41
|
34
|
40
|
44
|
55
|
60
|
49
|
49
|
61
|
54
|
35
|
29
|
34
|
37
|
37
|
39
|
38
|
43
|
93
|
69
|
70
|
89
|
|||
|
2025/01
|
53
|
49
|
39
|
48
|
78
|
70
|
55
|
54
|
48
|
52
|
70
|
67
|
62
|
61
|
38
|
43
|
46
|
59
|
71
|
106
|
93
|
95
|
70
|
72
|
81
|
84
|
42
|
48
|
64
|
42
|
54
|
|
2024/12
|
47
|
26
|
23
|
26
|
26
|
35
|
30
|
37
|
46
|
48
|
34
|
43
|
56
|
44
|
36
|
34
|
51
|
44
|
51
|
61
|
55
|
37
|
41
|
39
|
49
|
56
|
36
|
39
|
37
|
60
|
42
|
|
2024/11
|
58
|
49
|
39
|
34
|
25
|
38
|
50
|
52
|
59
|
48
|
100
|
46
|
39
|
53
|
51
|
33
|
41
|
36
|
39
|
66
|
64
|
45
|
51
|
51
|
52
|
34
|
23
|
41
|
30
|
39
|
|
|
2024/10
|
12
|
20
|
21
|
19
|
27
|
43
|
27
|
31
|
32
|
29
|
25
|
37
|
33
|
32
|
18
|
20
|
41
|
47
|
27
|
28
|
33
|
45
|
40
|
40
|
51
|
75
|
60
|
30
|
34
|
60
|
51
|
|
2024/09
|
22
|
16
|
20
|
22
|
16
|
18
|
27
|
21
|
23
|
19
|
23
|
23
|
21
|
19
|
21
|
24
|
24
|
25
|
29
|
19
|
18
|
22
|
17
|
19
|
21
|
16
|
20
|
24
|
28
|
22
|
|
|
2024/08
|
20
|
24
|
24
|
20
|
15
|
19
|
27
|
32
|
30
|
27
|
15
|
18
|
20
|
29
|
32
|
28
|
26
|
30
|
22
|
16
|
15
|
18
|
16
|
31
|
34
|
26
|
24
|
21
|
22
|
24
|
19
|
|
2024/07
|
47
|
41
|
16
|
24
|
27
|
24
|
24
|
41
|
46
|
55
|
65
|
73
|
60
|
54
|
50
|
38
|
19
|
19
|
26
|
31
|
24
|
21
|
16
|
25
|
20
|
12
|
12
|
11
|
13
|
22
|
20
|
|
2024/06
|
17
|
20
|
18
|
27
|
31
|
27
|
27
|
22
|
18
|
19
|
29
|
28
|
22
|
16
|
15
|
22
|
26
|
23
|
36
|
31
|
33
|
26
|
22
|
17
|
14
|
22
|
29
|
44
|
36
|
34
|
|
|
2024/05
|
33
|
49
|
60
|
50
|
46
|
36
|
34
|
27
|
40
|
37
|
46
|
38
|
39
|
43
|
23
|
25
|
30
|
50
|
24
|
21
|
20
|
41
|
32
|
22
|
21
|
16
|
12
|
18
|
24
|
19
|
19
|
|
2024/04
|
69
|
61
|
62
|
50
|
45
|
60
|
54
|
51
|
50
|
62
|
57
|
52
|
50
|
63
|
57
|
139
|
63
|
68
|
98
|
107
|
62
|
59
|
61
|
46
|
57
|
68
|
56
|
41
|
40
|
28
|
|
|
2024/03
|
60
|
49
|
41
|
45
|
41
|
44
|
40
|
44
|
38
|
52
|
71
|
40
|
50
|
49
|
89
|
52
|
42
|
39
|
38
|
36
|
31
|
37
|
38
|
33
|
30
|
37
|
41
|
166
|
97
|
56
|
55
|
|
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