Air Quality
Excellent
No health implications.
15
PM2.5
29
PM10
27
O3
0.7
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
69
Good
Tue
30 Apr
50
Excellent
Wed
1 May
75
Good
Thu
2 May
78
Good
Fri
3 May
77
Good
Sat
4 May
77
Good
Air quality in the last 12 months (Longquan)
|
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
|
|
2023/12
|
54
|
53
|
66
|
59
|
45
|
48
|
48
|
50
|
51
|
58
|
65
|
25
|
42
|
55
|
47
|
22
|
47
|
49
|
28
|
37
|
60
|
46
|
52
|
57
|
52
|
61
|
62
|
67
|
123
|
102
|
91
|
|
2023/11
|
42
|
37
|
37
|
48
|
41
|
26
|
39
|
49
|
51
|
18
|
15
|
16
|
52
|
44
|
52
|
37
|
62
|
64
|
54
|
52
|
56
|
44
|
50
|
83
|
52
|
55
|
62
|
57
|
60
|
70
|
|
|
2023/10
|
25
|
36
|
42
|
37
|
35
|
29
|
15
|
18
|
26
|
38
|
38
|
44
|
49
|
49
|
57
|
58
|
57
|
59
|
57
|
24
|
32
|
39
|
34
|
35
|
58
|
66
|
56
|
50
|
45
|
48
|
47
|
|
2023/09
|
39
|
39
|
35
|
25
|
22
|
31
|
36
|
35
|
39
|
42
|
43
|
42
|
29
|
19
|
22
|
20
|
28
|
34
|
30
|
31
|
29
|
26
|
30
|
32
|
39
|
35
|
45
|
42
|
34
|
29
|
|
|
2023/08
|
28
|
27
|
26
|
30
|
41
|
42
|
37
|
33
|
33
|
38
|
41
|
30
|
23
|
25
|
36
|
40
|
35
|
34
|
27
|
26
|
29
|
21
|
22
|
36
|
32
|
23
|
19
|
26
|
18
|
23
|
26
|
|
2023/07
|
33
|
33
|
23
|
21
|
23
|
29
|
28
|
28
|
35
|
34
|
37
|
35
|
33
|
34
|
29
|
21
|
21
|
24
|
25
|
18
|
21
|
22
|
23
|
29
|
26
|
17
|
16
|
13
|
16
|
21
|
27
|
|
2023/06
|
36
|
46
|
62
|
55
|
45
|
41
|
33
|
18
|
29
|
35
|
47
|
58
|
53
|
44
|
48
|
39
|
35
|
28
|
23
|
25
|
25
|
32
|
24
|
24
|
23
|
20
|
27
|
28
|
28
|
24
|
|
|
2023/05
|
53
|
36
|
36
|
39
|
27
|
31
|
22
|
33
|
46
|
50
|
54
|
60
|
50
|
57
|
59
|
51
|
35
|
32
|
44
|
53
|
43
|
36
|
61
|
56
|
45
|
43
|
29
|
32
|
31
|
35
|
44
|
|
2023/04
|
49
|
49
|
38
|
39
|
43
|
28
|
44
|
56
|
51
|
50
|
52
|
77
|
95
|
60
|
48
|
62
|
65
|
56
|
35
|
28
|
33
|
55
|
50
|
27
|
23
|
29
|
43
|
54
|
39
|
67
|
|
|
2023/03
|
59
|
79
|
73
|
65
|
63
|
56
|
53
|
59
|
62
|
54
|
54
|
59
|
69
|
55
|
51
|
73
|
58
|
43
|
39
|
36
|
58
|
55
|
40
|
21
|
26
|
37
|
68
|
67
|
55
|
27
|
44
|
|
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