Air Quality
Excellent
No health implications.
25
PM2.5
34
PM10
21
O3
0.7
CO
2
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
48
Excellent
Wed
21 May
48
Excellent
Thu
22 May
53
Good
Fri
23 May
55
Good
Sat
24 May
49
Excellent
Sun
25 May
61
Good
Mon
26 May
46
Excellent
Air quality in the last 12 months (Longgang)
|
2025/02
|
27
|
13
|
39
|
70
|
50
|
50
|
44
|
41
|
35
|
42
|
39
|
40
|
83
|
52
|
46
|
65
|
68
|
32
|
47
|
25
|
16
|
36
|
24
|
83
|
96
|
68
|
67
|
51
|
|||
|
2025/01
|
81
|
44
|
48
|
43
|
41
|
63
|
72
|
70
|
62
|
41
|
42
|
52
|
53
|
55
|
82
|
47
|
58
|
56
|
47
|
59
|
95
|
74
|
45
|
27
|
36
|
32
|
27
|
38
|
69
|
44
|
40
|
|
2024/12
|
45
|
50
|
48
|
51
|
49
|
31
|
32
|
68
|
35
|
41
|
22
|
30
|
16
|
94
|
86
|
57
|
49
|
63
|
41
|
30
|
52
|
63
|
43
|
37
|
39
|
70
|
119
|
70
|
59
|
52
|
64
|
|
2024/11
|
9
|
11
|
36
|
46
|
50
|
32
|
26
|
31
|
30
|
29
|
21
|
28
|
33
|
27
|
14
|
14
|
19
|
14
|
17
|
20
|
33
|
31
|
41
|
29
|
31
|
19
|
37
|
36
|
41
|
43
|
|
|
2024/10
|
16
|
13
|
19
|
17
|
20
|
14
|
13
|
12
|
35
|
45
|
50
|
42
|
32
|
45
|
32
|
24
|
36
|
35
|
26
|
14
|
32
|
36
|
28
|
36
|
25
|
17
|
18
|
16
|
45
|
39
|
21
|
|
2024/09
|
33
|
31
|
22
|
22
|
22
|
14
|
19
|
12
|
25
|
38
|
34
|
29
|
14
|
22
|
23
|
20
|
18
|
23
|
17
|
21
|
23
|
13
|
14
|
15
|
13
|
18
|
22
|
28
|
31
|
22
|
|
|
2024/08
|
35
|
41
|
41
|
40
|
27
|
22
|
36
|
35
|
38
|
42
|
49
|
45
|
43
|
33
|
24
|
23
|
20
|
18
|
15
|
18
|
19
|
25
|
37
|
41
|
31
|
25
|
44
|
27
|
33
|
28
|
33
|
|
2024/07
|
27
|
26
|
31
|
28
|
32
|
26
|
28
|
27
|
31
|
34
|
39
|
43
|
34
|
33
|
21
|
15
|
23
|
31
|
28
|
20
|
21
|
13
|
16
|
16
|
18
|
18
|
16
|
17
|
12
|
13
|
23
|
|
2024/06
|
7
|
13
|
19
|
35
|
36
|
11
|
17
|
33
|
27
|
18
|
23
|
27
|
27
|
35
|
17
|
19
|
18
|
17
|
35
|
47
|
41
|
45
|
48
|
24
|
19
|
26
|
42
|
29
|
22
|
23
|
|
|
2024/05
|
14
|
27
|
33
|
40
|
57
|
42
|
43
|
49
|
26
|
25
|
44
|
40
|
34
|
33
|
47
|
32
|
29
|
32
|
30
|
29
|
23
|
29
|
38
|
25
|
13
|
23
|
24
|
15
|
25
|
24
|
31
|
|
2024/04
|
43
|
56
|
40
|
24
|
33
|
39
|
28
|
37
|
31
|
56
|
55
|
46
|
39
|
24
|
41
|
50
|
38
|
36
|
82
|
75
|
56
|
24
|
28
|
36
|
38
|
63
|
53
|
26
|
39
|
18
|
|
|
2024/03
|
18
|
44
|
51
|
59
|
62
|
14
|
57
|
71
|
67
|
49
|
35
|
53
|
78
|
64
|
50
|
38
|
51
|
32
|
38
|
61
|
58
|
62
|
64
|
70
|
48
|
37
|
33
|
58
|
49
|
61
|
59
|
|
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