Air Quality
Excellent
No health implications.
15
PM2.5
20
PM10
27
O3
0.7
CO
4
SO2
33
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
46
Excellent
Wed
21 May
43
Excellent
Thu
22 May
48
Excellent
Fri
23 May
51
Good
Sat
24 May
54
Good
Sun
25 May
51
Good
Mon
26 May
20
Excellent
Air quality in the last 12 months (Dongyuan)
|
2025/04
|
20
|
37
|
47
|
54
|
30
|
48
|
54
|
60
|
62
|
53
|
53
|
59
|
211
|
109
|
92
|
92
|
68
|
58
|
35
|
44
|
38
|
43
|
43
|
30
|
13
|
21
|
37
|
35
|
39
|
55
|
|
|
2025/03
|
39
|
35
|
39
|
28
|
14
|
11
|
21
|
32
|
33
|
44
|
39
|
33
|
30
|
31
|
31
|
14
|
48
|
40
|
40
|
42
|
50
|
56
|
59
|
62
|
66
|
58
|
42
|
45
|
13
|
7
|
9
|
|
2025/02
|
55
|
38
|
12
|
27
|
40
|
37
|
22
|
60
|
33
|
41
|
46
|
46
|
43
|
45
|
59
|
63
|
39
|
36
|
38
|
45
|
23
|
26
|
13
|
24
|
33
|
51
|
54
|
49
|
|||
|
2025/01
|
70
|
64
|
58
|
56
|
62
|
81
|
72
|
70
|
59
|
43
|
43
|
42
|
52
|
52
|
53
|
64
|
50
|
49
|
55
|
55
|
51
|
48
|
47
|
55
|
37
|
21
|
26
|
48
|
84
|
65
|
55
|
|
2024/12
|
51
|
51
|
47
|
45
|
66
|
77
|
47
|
44
|
58
|
46
|
49
|
28
|
38
|
73
|
50
|
51
|
47
|
46
|
62
|
68
|
55
|
65
|
79
|
65
|
70
|
73
|
74
|
84
|
77
|
70
|
63
|
|
2024/11
|
26
|
21
|
40
|
42
|
47
|
56
|
37
|
37
|
47
|
58
|
45
|
42
|
46
|
28
|
26
|
21
|
28
|
21
|
25
|
25
|
28
|
30
|
34
|
48
|
31
|
15
|
31
|
32
|
34
|
48
|
|
|
2024/10
|
36
|
23
|
31
|
33
|
32
|
38
|
39
|
44
|
39
|
34
|
50
|
61
|
71
|
52
|
52
|
46
|
41
|
37
|
40
|
38
|
31
|
31
|
24
|
33
|
42
|
50
|
39
|
14
|
25
|
42
|
39
|
|
2024/09
|
26
|
31
|
27
|
23
|
22
|
12
|
14
|
15
|
15
|
22
|
37
|
35
|
27
|
23
|
20
|
23
|
19
|
17
|
25
|
22
|
14
|
18
|
16
|
17
|
27
|
31
|
26
|
27
|
27
|
22
|
|
|
2024/08
|
21
|
29
|
32
|
39
|
27
|
39
|
36
|
44
|
43
|
36
|
32
|
34
|
14
|
19
|
18
|
22
|
23
|
13
|
17
|
24
|
18
|
22
|
26
|
25
|
26
|
31
|
42
|
38
|
28
|
27
|
21
|
|
2024/07
|
20
|
20
|
17
|
22
|
21
|
16
|
18
|
25
|
26
|
27
|
19
|
16
|
18
|
22
|
16
|
16
|
12
|
15
|
18
|
18
|
21
|
20
|
27
|
33
|
31
|
21
|
12
|
10
|
11
|
16
|
14
|
|
2024/06
|
15
|
13
|
30
|
14
|
21
|
15
|
25
|
19
|
20
|
21
|
24
|
35
|
43
|
38
|
23
|
27
|
36
|
28
|
25
|
24
|
22
|
33
|
24
|
18
|
18
|
20
|
20
|
21
|
16
|
17
|
|
|
2024/05
|
21
|
30
|
37
|
37
|
25
|
46
|
36
|
37
|
46
|
51
|
42
|
29
|
38
|
48
|
41
|
45
|
57
|
40
|
38
|
17
|
10
|
14
|
22
|
16
|
20
|
31
|
33
|
23
|
18
|
34
|
27
|
|
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