Air Quality
Excellent
No health implications.
14
PM2.5
30
PM10
26
O3
0.4
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
40
Excellent
Wed
16 Jul
39
Excellent
Thu
17 Jul
42
Excellent
Fri
18 Jul
40
Excellent
Sat
19 Jul
40
Excellent
Sun
20 Jul
41
Excellent
Mon
21 Jul
34
Excellent
Longhua Air quality rank
Air quality in the last 12 months (Longhua)
|
2025/06
|
20
|
20
|
25
|
24
|
12
|
14
|
17
|
21
|
20
|
18
|
21
|
17
|
13
|
14
|
19
|
19
|
23
|
20
|
17
|
18
|
17
|
15
|
15
|
15
|
12
|
10
|
12
|
14
|
15
|
15
|
|
|
2025/05
|
26
|
21
|
27
|
26
|
21
|
26
|
24
|
18
|
24
|
22
|
29
|
37
|
28
|
19
|
13
|
14
|
15
|
20
|
19
|
21
|
23
|
16
|
15
|
15
|
30
|
43
|
34
|
22
|
17
|
13
|
13
|
|
2025/04
|
27
|
37
|
30
|
34
|
40
|
33
|
46
|
38
|
37
|
37
|
29
|
33
|
147
|
167
|
149
|
121
|
80
|
54
|
36
|
27
|
25
|
29
|
31
|
31
|
30
|
28
|
18
|
29
|
37
|
33
|
|
|
2025/03
|
27
|
22
|
29
|
28
|
23
|
16
|
14
|
27
|
40
|
51
|
42
|
31
|
28
|
22
|
24
|
22
|
35
|
44
|
54
|
51
|
47
|
45
|
38
|
39
|
41
|
37
|
35
|
33
|
20
|
10
|
21
|
|
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
|
|
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