Air Quality
Excellent
No health implications.
8
PM2.5
19
PM10
41
O3
0.6
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Feb
47
Excellent
Sun
2 Feb
47
Excellent
Mon
3 Feb
58
Good
Tue
4 Feb
57
Good
Wed
5 Feb
64
Good
Thu
6 Feb
64
Good
Fri
7 Feb
15
Excellent
Air quality in the last 12 months (Longquan)
|
2024/12
|
46
|
50
|
65
|
82
|
61
|
31
|
60
|
65
|
48
|
52
|
27
|
47
|
47
|
73
|
67
|
55
|
55
|
63
|
48
|
45
|
60
|
69
|
66
|
68
|
74
|
97
|
138
|
93
|
68
|
66
|
72
|
|
2024/11
|
14
|
21
|
33
|
57
|
62
|
46
|
31
|
36
|
42
|
40
|
36
|
46
|
47
|
44
|
27
|
18
|
23
|
23
|
26
|
29
|
41
|
44
|
67
|
38
|
30
|
22
|
37
|
39
|
45
|
43
|
|
|
2024/10
|
21
|
23
|
25
|
27
|
35
|
21
|
17
|
17
|
33
|
43
|
57
|
56
|
42
|
39
|
52
|
20
|
31
|
34
|
27
|
20
|
37
|
43
|
29
|
42
|
33
|
27
|
21
|
17
|
53
|
47
|
37
|
|
2024/09
|
26
|
35
|
40
|
31
|
26
|
24
|
26
|
22
|
22
|
35
|
33
|
33
|
23
|
28
|
31
|
25
|
17
|
22
|
25
|
35
|
20
|
20
|
17
|
18
|
23
|
37
|
21
|
32
|
43
|
33
|
|
|
2024/08
|
19
|
23
|
31
|
30
|
23
|
26
|
29
|
31
|
33
|
36
|
32
|
25
|
23
|
26
|
25
|
31
|
25
|
23
|
18
|
17
|
12
|
26
|
30
|
35
|
38
|
38
|
41
|
23
|
33
|
26
|
26
|
|
2024/07
|
27
|
21
|
23
|
24
|
29
|
28
|
27
|
23
|
27
|
28
|
25
|
27
|
28
|
25
|
27
|
21
|
23
|
22
|
24
|
25
|
27
|
19
|
17
|
15
|
12
|
12
|
9
|
15
|
13
|
16
|
18
|
|
2024/06
|
8
|
13
|
22
|
32
|
30
|
16
|
22
|
26
|
33
|
24
|
15
|
20
|
23
|
16
|
16
|
15
|
15
|
19
|
29
|
32
|
30
|
30
|
33
|
22
|
16
|
24
|
24
|
34
|
24
|
20
|
|
|
2024/05
|
14
|
35
|
38
|
37
|
29
|
24
|
36
|
49
|
54
|
43
|
42
|
36
|
50
|
38
|
42
|
46
|
37
|
42
|
44
|
37
|
22
|
26
|
34
|
24
|
19
|
19
|
23
|
20
|
34
|
36
|
44
|
|
2024/04
|
30
|
37
|
30
|
19
|
29
|
36
|
28
|
26
|
32
|
48
|
49
|
50
|
49
|
28
|
44
|
44
|
28
|
24
|
37
|
38
|
27
|
22
|
31
|
41
|
45
|
51
|
43
|
36
|
31
|
18
|
|
|
2024/03
|
34
|
41
|
38
|
47
|
53
|
16
|
54
|
58
|
63
|
69
|
53
|
50
|
90
|
73
|
60
|
52
|
49
|
41
|
38
|
54
|
53
|
52
|
51
|
49
|
41
|
20
|
40
|
44
|
37
|
46
|
40
|
|
2024/02
|
42
|
17
|
18
|
15
|
16
|
20
|
18
|
56
|
97
|
141
|
65
|
54
|
43
|
50
|
40
|
19
|
25
|
40
|
43
|
47
|
35
|
9
|
14
|
19
|
31
|
54
|
64
|
56
|
24
|
||
|
2024/01
|
132
|
117
|
59
|
47
|
55
|
51
|
139
|
132
|
94
|
51
|
71
|
52
|
52
|
56
|
103
|
66
|
54
|
63
|
62
|
24
|
30
|
32
|
34
|
40
|
52
|
63
|
70
|
65
|
89
|
47
|
45
|
|
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