Air Quality
Excellent
No health implications.
6
PM2.5
10
PM10
24
O3
0.6
CO
5
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Mar
44
Excellent
Wed
5 Mar
49
Excellent
Thu
6 Mar
52
Good
Fri
7 Mar
55
Good
Sat
8 Mar
59
Good
Sun
9 Mar
20
Excellent
Mon
10 Mar
37
Excellent
Air quality in the last 12 months (Longquan)
|
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
|
|
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
|
||
|
1
|
2
|
3
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4
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5
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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