Air Quality
Excellent
No health implications.
4
PM2.5
10
PM10
60
O3
0.3
CO
4
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 May
54
Good
Sun
31 May
43
Excellent
Mon
1 Jun
44
Excellent
Tue
2 Jun
47
Excellent
Wed
3 Jun
49
Excellent
Thu
4 Jun
45
Excellent
Fri
5 Jun
47
Excellent
Air quality in the last 12 months (Longhua)
|
2026/04
|
43
|
40
|
37
|
31
|
51
|
50
|
49
|
48
|
35
|
34
|
46
|
41
|
40
|
37
|
28
|
24
|
25
|
27
|
31
|
31
|
29
|
30
|
50
|
28
|
30
|
34
|
22
|
27
|
31
|
27
|
|
|
2026/03
|
17
|
21
|
24
|
14
|
25
|
31
|
34
|
44
|
35
|
26
|
39
|
41
|
44
|
45
|
40
|
36
|
41
|
28
|
25
|
23
|
23
|
32
|
30
|
26
|
27
|
26
|
28
|
31
|
29
|
31
|
34
|
|
2026/02
|
30
|
31
|
33
|
39
|
34
|
20
|
23
|
35
|
39
|
39
|
34
|
28
|
40
|
33
|
26
|
28
|
33
|
42
|
36
|
34
|
30
|
26
|
28
|
30
|
43
|
29
|
36
|
16
|
|||
|
2026/01
|
38
|
45
|
35
|
39
|
44
|
50
|
41
|
36
|
42
|
38
|
40
|
46
|
53
|
54
|
42
|
38
|
40
|
43
|
36
|
42
|
49
|
42
|
41
|
46
|
27
|
30
|
33
|
52
|
36
|
30
|
23
|
|
2025/12
|
51
|
33
|
36
|
60
|
47
|
59
|
46
|
62
|
51
|
49
|
60
|
45
|
41
|
29
|
50
|
41
|
57
|
46
|
43
|
36
|
43
|
40
|
43
|
36
|
31
|
29
|
35
|
40
|
43
|
43
|
51
|
|
2025/11
|
39
|
43
|
42
|
23
|
23
|
29
|
17
|
20
|
32
|
37
|
31
|
27
|
46
|
33
|
41
|
43
|
39
|
48
|
28
|
31
|
38
|
40
|
51
|
54
|
47
|
51
|
50
|
53
|
58
|
45
|
|
|
2025/10
|
15
|
14
|
14
|
15
|
19
|
17
|
17
|
13
|
20
|
25
|
24
|
15
|
10
|
9
|
18
|
22
|
23
|
29
|
31
|
28
|
23
|
19
|
20
|
34
|
40
|
39
|
36
|
39
|
44
|
29
|
46
|
|
2025/09
|
12
|
13
|
10
|
12
|
12
|
10
|
15
|
15
|
17
|
16
|
15
|
11
|
11
|
14
|
14
|
12
|
15
|
17
|
17
|
19
|
19
|
10
|
21
|
23
|
17
|
17
|
27
|
17
|
22
|
20
|
|
|
2025/08
|
26
|
29
|
33
|
32
|
27
|
30
|
33
|
24
|
26
|
22
|
18
|
20
|
21
|
19
|
18
|
17
|
21
|
9
|
15
|
19
|
22
|
15
|
13
|
21
|
18
|
15
|
11
|
14
|
17
|
16
|
12
|
|
2025/07
|
15
|
13
|
12
|
12
|
16
|
16
|
15
|
21
|
24
|
23
|
19
|
19
|
24
|
25
|
27
|
26
|
21
|
27
|
17
|
11
|
10
|
17
|
22
|
15
|
16
|
17
|
18
|
14
|
15
|
15
|
18
|
|
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
|
|
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