Air Quality
Excellent
No health implications.
17
PM2.5
41
PM10
103
O3
0.3
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Apr
47
Excellent
Thu
3 Apr
58
Good
Fri
4 Apr
38
Excellent
Sat
5 Apr
36
Excellent
Sun
6 Apr
38
Excellent
Mon
7 Apr
42
Excellent
Tue
8 Apr
41
Excellent
Longhua Air quality rank
Air quality in the last 12 months (Longhua)
|
2025/02
|
33
|
17
|
34
|
25
|
29
|
39
|
43
|
35
|
54
|
42
|
36
|
28
|
38
|
26
|
22
|
21
|
36
|
50
|
44
|
36
|
39
|
26
|
33
|
29
|
30
|
45
|
41
|
29
|
|||
|
2025/01
|
66
|
52
|
65
|
54
|
61
|
71
|
49
|
53
|
69
|
63
|
46
|
43
|
44
|
45
|
44
|
57
|
59
|
50
|
49
|
57
|
43
|
55
|
51
|
42
|
34
|
36
|
36
|
33
|
50
|
51
|
52
|
|
2024/12
|
39
|
35
|
34
|
33
|
40
|
45
|
56
|
40
|
40
|
32
|
36
|
47
|
44
|
44
|
60
|
43
|
39
|
47
|
49
|
53
|
53
|
47
|
54
|
56
|
51
|
47
|
69
|
69
|
58
|
49
|
57
|
|
2024/11
|
49
|
43
|
38
|
38
|
44
|
48
|
54
|
47
|
49
|
52
|
45
|
46
|
48
|
48
|
39
|
40
|
26
|
31
|
27
|
12
|
15
|
29
|
32
|
35
|
30
|
28
|
39
|
42
|
40
|
42
|
|
|
2024/10
|
27
|
31
|
43
|
45
|
36
|
38
|
39
|
52
|
62
|
53
|
38
|
34
|
32
|
23
|
18
|
14
|
16
|
17
|
19
|
28
|
32
|
38
|
30
|
34
|
39
|
46
|
28
|
29
|
26
|
34
|
43
|
|
2024/09
|
11
|
14
|
16
|
26
|
25
|
22
|
21
|
30
|
26
|
21
|
15
|
20
|
22
|
18
|
30
|
32
|
25
|
28
|
22
|
15
|
16
|
15
|
14
|
17
|
21
|
28
|
26
|
21
|
18
|
18
|
|
|
2024/08
|
23
|
23
|
22
|
21
|
21
|
22
|
25
|
27
|
25
|
30
|
28
|
27
|
22
|
22
|
24
|
20
|
16
|
19
|
27
|
23
|
21
|
21
|
19
|
21
|
17
|
21
|
18
|
22
|
26
|
20
|
16
|
|
2024/07
|
19
|
20
|
19
|
15
|
10
|
14
|
12
|
13
|
16
|
18
|
18
|
19
|
16
|
17
|
18
|
17
|
13
|
14
|
17
|
16
|
14
|
15
|
15
|
18
|
17
|
17
|
25
|
25
|
19
|
18
|
20
|
|
2024/06
|
15
|
22
|
18
|
18
|
25
|
16
|
14
|
23
|
20
|
20
|
20
|
20
|
21
|
24
|
25
|
28
|
24
|
24
|
28
|
26
|
23
|
13
|
12
|
13
|
14
|
16
|
13
|
14
|
16
|
16
|
|
|
2024/05
|
28
|
18
|
21
|
21
|
26
|
34
|
26
|
22
|
31
|
34
|
31
|
28
|
20
|
28
|
33
|
31
|
40
|
19
|
16
|
19
|
18
|
14
|
14
|
16
|
17
|
18
|
23
|
21
|
27
|
27
|
18
|
|
2024/04
|
40
|
29
|
30
|
32
|
24
|
33
|
34
|
33
|
33
|
30
|
42
|
36
|
36
|
35
|
42
|
32
|
28
|
38
|
31
|
31
|
29
|
26
|
28
|
39
|
28
|
38
|
46
|
39
|
34
|
37
|
|
|
2024/03
|
15
|
17
|
31
|
26
|
40
|
47
|
40
|
35
|
39
|
35
|
26
|
22
|
31
|
43
|
53
|
40
|
29
|
31
|
27
|
41
|
51
|
46
|
34
|
33
|
42
|
34
|
40
|
35
|
33
|
26
|
32
|
|
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