Air Quality
Excellent
No health implications.
13
PM2.5
25
PM10
5
O3
0.6
CO
5
SO2
48
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Jun
82
Good
Wed
25 Jun
88
Good
Thu
26 Jun
87
Good
Fri
27 Jun
69
Good
Sat
28 Jun
63
Good
Sun
29 Jun
33
Excellent
Mon
30 Jun
32
Excellent
Air quality in the last 12 months (Longjing)
|
2025/05
|
21
|
22
|
16
|
12
|
16
|
22
|
37
|
47
|
42
|
16
|
21
|
35
|
50
|
46
|
23
|
28
|
19
|
23
|
22
|
17
|
35
|
42
|
19
|
33
|
25
|
19
|
32
|
25
|
33
|
38
|
37
|
|
2025/04
|
52
|
42
|
30
|
36
|
34
|
26
|
21
|
31
|
38
|
42
|
51
|
35
|
13
|
12
|
20
|
19
|
24
|
30
|
28
|
22
|
30
|
16
|
16
|
37
|
54
|
46
|
60
|
38
|
58
|
35
|
|
|
2025/03
|
99
|
21
|
25
|
33
|
35
|
41
|
50
|
48
|
69
|
77
|
101
|
106
|
62
|
32
|
48
|
28
|
32
|
35
|
49
|
45
|
58
|
27
|
29
|
54
|
90
|
40
|
34
|
24
|
22
|
26
|
36
|
|
2025/02
|
41
|
56
|
44
|
30
|
29
|
20
|
25
|
22
|
31
|
35
|
55
|
55
|
45
|
53
|
50
|
58
|
32
|
26
|
26
|
28
|
31
|
29
|
27
|
43
|
123
|
94
|
68
|
82
|
|||
|
2025/01
|
39
|
41
|
39
|
48
|
67
|
43
|
37
|
32
|
35
|
36
|
42
|
45
|
52
|
45
|
31
|
38
|
42
|
62
|
62
|
71
|
68
|
56
|
49
|
47
|
49
|
47
|
31
|
22
|
49
|
30
|
35
|
|
2024/12
|
43
|
19
|
27
|
29
|
22
|
29
|
27
|
28
|
39
|
33
|
23
|
36
|
37
|
39
|
38
|
32
|
39
|
28
|
37
|
48
|
35
|
30
|
28
|
33
|
48
|
60
|
30
|
33
|
34
|
57
|
38
|
|
2024/11
|
43
|
37
|
35
|
29
|
18
|
34
|
32
|
46
|
63
|
58
|
110
|
53
|
49
|
61
|
63
|
26
|
33
|
27
|
30
|
45
|
38
|
22
|
38
|
44
|
48
|
21
|
16
|
29
|
24
|
19
|
|
|
2024/10
|
8
|
18
|
24
|
23
|
26
|
42
|
15
|
26
|
30
|
30
|
27
|
30
|
33
|
32
|
19
|
20
|
36
|
32
|
29
|
26
|
41
|
46
|
17
|
31
|
38
|
48
|
34
|
26
|
32
|
41
|
49
|
|
2024/09
|
25
|
14
|
21
|
25
|
15
|
14
|
22
|
16
|
22
|
18
|
18
|
17
|
18
|
12
|
16
|
21
|
19
|
21
|
33
|
12
|
10
|
11
|
17
|
19
|
22
|
19
|
23
|
22
|
24
|
25
|
|
|
2024/08
|
21
|
20
|
18
|
14
|
12
|
15
|
16
|
25
|
24
|
20
|
9
|
9
|
19
|
28
|
22
|
17
|
15
|
21
|
21
|
8
|
11
|
14
|
12
|
28
|
36
|
26
|
17
|
19
|
25
|
22
|
17
|
|
2024/07
|
31
|
28
|
12
|
24
|
28
|
22
|
11
|
30
|
44
|
52
|
58
|
67
|
56
|
45
|
40
|
31
|
20
|
16
|
21
|
33
|
25
|
22
|
18
|
15
|
16
|
10
|
15
|
13
|
13
|
17
|
21
|
|
2024/06
|
12
|
13
|
16
|
22
|
20
|
20
|
22
|
19
|
15
|
18
|
32
|
23
|
21
|
12
|
15
|
19
|
29
|
19
|
34
|
30
|
32
|
8
|
8
|
17
|
9
|
19
|
27
|
45
|
39
|
30
|
|
|
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