Air Quality
Excellent
No health implications.
10
PM2.5
15
PM10
40
O3
0.8
CO
8
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Mar
56
Good
Thu
19 Mar
55
Good
Fri
20 Mar
52
Good
Sat
21 Mar
43
Excellent
Sun
22 Mar
43
Excellent
Mon
23 Mar
42
Excellent
Tue
24 Mar
16
Excellent
Air quality in the last 12 months (Longquan)
|
2026/02
|
33
|
41
|
56
|
56
|
67
|
41
|
17
|
36
|
38
|
42
|
43
|
51
|
57
|
44
|
37
|
19
|
47
|
51
|
45
|
34
|
39
|
37
|
99
|
52
|
22
|
20
|
15
|
16
|
|||
|
2026/01
|
25
|
24
|
60
|
69
|
50
|
43
|
49
|
48
|
47
|
47
|
54
|
60
|
52
|
54
|
54
|
60
|
84
|
87
|
63
|
14
|
35
|
58
|
78
|
73
|
69
|
72
|
29
|
62
|
61
|
32
|
14
|
|
2025/12
|
59
|
103
|
52
|
55
|
54
|
61
|
68
|
80
|
73
|
49
|
54
|
76
|
41
|
38
|
47
|
53
|
61
|
108
|
97
|
64
|
76
|
41
|
48
|
50
|
28
|
49
|
49
|
49
|
50
|
71
|
65
|
|
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
|
|
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