Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
98
O3
0.4
CO
7
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Apr
57
Good
Thu
16 Apr
59
Good
Fri
17 Apr
65
Good
Sat
18 Apr
59
Good
Sun
19 Apr
58
Good
Mon
20 Apr
58
Good
Tue
21 Apr
32
Excellent
Air quality in the last 12 months (Longjing)
|
2026/03
|
33
|
51
|
35
|
56
|
58
|
41
|
27
|
35
|
36
|
43
|
54
|
65
|
80
|
53
|
87
|
94
|
128
|
210
|
39
|
47
|
94
|
154
|
105
|
67
|
76
|
75
|
88
|
71
|
60
|
40
|
35
|
|
2026/02
|
44
|
36
|
42
|
72
|
79
|
61
|
27
|
28
|
37
|
63
|
44
|
48
|
60
|
69
|
47
|
33
|
72
|
30
|
34
|
46
|
55
|
106
|
109
|
44
|
45
|
65
|
54
|
27
|
|||
|
2026/01
|
21
|
26
|
34
|
42
|
37
|
47
|
46
|
31
|
74
|
57
|
29
|
33
|
36
|
37
|
50
|
30
|
31
|
30
|
25
|
24
|
26
|
24
|
33
|
30
|
23
|
37
|
38
|
30
|
36
|
27
|
30
|
|
2025/12
|
38
|
25
|
21
|
27
|
37
|
65
|
71
|
26
|
40
|
60
|
28
|
34
|
34
|
43
|
60
|
42
|
33
|
54
|
67
|
44
|
35
|
41
|
61
|
30
|
27
|
21
|
36
|
81
|
55
|
22
|
25
|
|
2025/11
|
26
|
25
|
32
|
46
|
45
|
48
|
36
|
33
|
34
|
25
|
40
|
44
|
34
|
57
|
51
|
35
|
36
|
37
|
33
|
38
|
40
|
47
|
62
|
101
|
112
|
81
|
70
|
34
|
36
|
35
|
|
|
2025/10
|
23
|
31
|
31
|
31
|
19
|
20
|
25
|
36
|
26
|
26
|
16
|
23
|
26
|
35
|
40
|
41
|
27
|
18
|
17
|
23
|
27
|
29
|
34
|
40
|
46
|
42
|
44
|
57
|
63
|
45
|
27
|
|
2025/09
|
11
|
16
|
24
|
26
|
28
|
19
|
21
|
23
|
21
|
20
|
19
|
27
|
31
|
33
|
23
|
26
|
17
|
19
|
21
|
20
|
24
|
22
|
28
|
18
|
26
|
25
|
21
|
16
|
27
|
27
|
|
|
2025/08
|
24
|
19
|
20
|
12
|
18
|
13
|
15
|
13
|
19
|
19
|
17
|
27
|
26
|
21
|
27
|
30
|
16
|
19
|
24
|
17
|
17
|
24
|
18
|
19
|
15
|
9
|
13
|
16
|
10
|
15
|
14
|
|
2025/07
|
14
|
20
|
24
|
21
|
27
|
34
|
27
|
32
|
30
|
31
|
17
|
28
|
24
|
13
|
16
|
17
|
18
|
16
|
18
|
17
|
15
|
29
|
28
|
18
|
27
|
20
|
22
|
18
|
28
|
29
|
23
|
|
2025/06
|
41
|
39
|
21
|
15
|
36
|
39
|
39
|
22
|
36
|
20
|
15
|
20
|
36
|
36
|
33
|
15
|
18
|
27
|
32
|
16
|
16
|
25
|
28
|
37
|
36
|
31
|
41
|
47
|
39
|
27
|
|
|
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
|
|
|
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