Air Quality
Excellent
No health implications.
15
PM2.5
28
PM10
24
O3
0.5
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jun
66
Good
Fri
20 Jun
59
Good
Sat
21 Jun
58
Good
Sun
22 Jun
54
Good
Mon
23 Jun
50
Excellent
Tue
24 Jun
48
Excellent
Wed
25 Jun
24
Excellent
Longquan Air quality rank
Air quality in the last 12 months (Longquan)
|
2025/05
|
43
|
45
|
50
|
49
|
35
|
43
|
81
|
47
|
33
|
40
|
39
|
40
|
38
|
37
|
51
|
44
|
34
|
27
|
31
|
24
|
28
|
32
|
25
|
29
|
57
|
60
|
54
|
32
|
17
|
33
|
41
|
|
2025/04
|
29
|
36
|
52
|
56
|
51
|
56
|
57
|
55
|
58
|
39
|
44
|
65
|
122
|
83
|
64
|
52
|
59
|
58
|
52
|
34
|
51
|
26
|
33
|
27
|
18
|
33
|
32
|
35
|
53
|
48
|
|
|
2025/03
|
46
|
43
|
45
|
19
|
27
|
22
|
43
|
46
|
61
|
61
|
68
|
65
|
20
|
23
|
12
|
27
|
36
|
35
|
50
|
42
|
39
|
41
|
48
|
58
|
65
|
82
|
78
|
46
|
32
|
30
|
30
|
|
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
|
|
|
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