Air Quality
Excellent
No health implications.
24
PM2.5
36
PM10
63
O3
0.6
CO
5
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jan
57
Good
Tue
20 Jan
44
Excellent
Wed
21 Jan
43
Excellent
Thu
22 Jan
45
Excellent
Fri
23 Jan
57
Good
Sat
24 Jan
59
Good
Sun
25 Jan
50
Excellent
Air quality in the last 12 months (Longquan)
|
2025/11
|
39
|
50
|
60
|
26
|
32
|
45
|
36
|
40
|
16
|
40
|
34
|
19
|
34
|
41
|
64
|
61
|
50
|
25
|
30
|
36
|
46
|
54
|
53
|
47
|
66
|
79
|
68
|
66
|
59
|
53
|
|
|
2025/10
|
37
|
26
|
25
|
29
|
27
|
30
|
37
|
43
|
38
|
36
|
41
|
36
|
38
|
28
|
26
|
30
|
33
|
31
|
20
|
23
|
26
|
24
|
32
|
35
|
41
|
49
|
40
|
50
|
33
|
32
|
29
|
|
2025/09
|
24
|
23
|
26
|
30
|
27
|
22
|
18
|
20
|
21
|
15
|
17
|
21
|
26
|
19
|
27
|
21
|
21
|
21
|
19
|
25
|
25
|
32
|
24
|
18
|
25
|
25
|
29
|
30
|
37
|
40
|
|
|
2025/08
|
32
|
30
|
25
|
20
|
16
|
18
|
17
|
21
|
26
|
32
|
31
|
25
|
13
|
11
|
11
|
13
|
14
|
16
|
18
|
20
|
16
|
16
|
23
|
22
|
20
|
21
|
17
|
13
|
14
|
17
|
27
|
|
2025/07
|
11
|
16
|
25
|
27
|
20
|
16
|
15
|
22
|
16
|
17
|
21
|
19
|
20
|
21
|
27
|
31
|
30
|
25
|
16
|
14
|
11
|
16
|
20
|
22
|
27
|
14
|
17
|
17
|
21
|
24
|
22
|
|
2025/06
|
36
|
30
|
17
|
33
|
29
|
32
|
33
|
39
|
21
|
21
|
19
|
21
|
14
|
22
|
16
|
20
|
26
|
19
|
26
|
21
|
21
|
22
|
21
|
20
|
29
|
26
|
26
|
21
|
27
|
21
|
|
|
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
|
|
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