Air Quality
Excellent
No health implications.
15
PM2.5
30
PM10
18
O3
0.5
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 May
77
Good
Sun
11 May
80
Good
Mon
12 May
82
Good
Tue
13 May
78
Good
Wed
14 May
78
Good
Thu
15 May
38
Excellent
Fri
16 May
16
Excellent
Air quality in the last 12 months (Longquan)
|
2025/02
|
21
|
14
|
37
|
47
|
37
|
46
|
49
|
49
|
34
|
45
|
42
|
45
|
91
|
90
|
64
|
45
|
57
|
45
|
38
|
19
|
15
|
27
|
26
|
60
|
92
|
68
|
53
|
35
|
|||
|
2025/01
|
91
|
74
|
73
|
71
|
65
|
75
|
76
|
93
|
75
|
40
|
47
|
49
|
54
|
55
|
83
|
55
|
54
|
55
|
47
|
51
|
77
|
76
|
65
|
50
|
42
|
28
|
31
|
45
|
107
|
49
|
43
|
|
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
|
|
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