Air Quality
Excellent
No health implications.
3
PM2.5
9
PM10
37
O3
0.8
CO
7
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Sep
40
Excellent
Wed
16 Sep
42
Excellent
Thu
17 Sep
50
Excellent
Fri
18 Sep
49
Excellent
Sat
19 Sep
48
Excellent
Sun
20 Sep
50
Excellent
Mon
21 Sep
39
Excellent
Air quality in the last 12 months (Longquanyi)
|
2026/08
|
21
|
26
|
34
|
30
|
46
|
33
|
31
|
44
|
43
|
38
|
39
|
30
|
46
|
38
|
40
|
43
|
28
|
22
|
25
|
37
|
40
|
48
|
52
|
39
|
46
|
44
|
41
|
30
|
26
|
32
|
37
|
|
2026/07
|
37
|
51
|
29
|
35
|
33
|
36
|
42
|
57
|
44
|
38
|
37
|
34
|
30
|
43
|
40
|
43
|
32
|
37
|
36
|
54
|
56
|
52
|
75
|
73
|
38
|
33
|
32
|
26
|
35
|
23
|
22
|
|
2026/06
|
57
|
37
|
46
|
41
|
57
|
51
|
33
|
35
|
35
|
37
|
36
|
46
|
39
|
45
|
62
|
46
|
31
|
35
|
35
|
35
|
24
|
22
|
24
|
19
|
17
|
30
|
36
|
35
|
30
|
26
|
|
|
2026/05
|
46
|
39
|
31
|
37
|
49
|
74
|
53
|
40
|
45
|
50
|
47
|
52
|
51
|
76
|
43
|
26
|
44
|
27
|
37
|
40
|
39
|
52
|
35
|
31
|
31
|
33
|
39
|
46
|
42
|
46
|
50
|
|
2026/04
|
29
|
28
|
50
|
67
|
73
|
43
|
27
|
26
|
40
|
40
|
30
|
35
|
35
|
29
|
34
|
37
|
32
|
43
|
87
|
127
|
19
|
33
|
42
|
41
|
63
|
52
|
52
|
28
|
27
|
42
|
|
|
2026/03
|
20
|
25
|
32
|
30
|
50
|
54
|
47
|
35
|
28
|
33
|
52
|
48
|
46
|
23
|
49
|
26
|
21
|
42
|
46
|
50
|
49
|
48
|
44
|
49
|
47
|
35
|
40
|
38
|
40
|
26
|
25
|
|
2026/02
|
75
|
65
|
82
|
95
|
91
|
73
|
63
|
49
|
47
|
61
|
53
|
64
|
69
|
78
|
92
|
45
|
71
|
79
|
69
|
65
|
70
|
82
|
85
|
62
|
56
|
45
|
50
|
43
|
|||
|
2026/01
|
37
|
33
|
11
|
31
|
53
|
48
|
47
|
53
|
80
|
114
|
152
|
160
|
123
|
123
|
74
|
121
|
134
|
152
|
41
|
29
|
46
|
50
|
41
|
66
|
80
|
99
|
82
|
104
|
92
|
47
|
70
|
|
2025/12
|
126
|
120
|
59
|
41
|
53
|
67
|
63
|
102
|
111
|
97
|
104
|
106
|
60
|
68
|
73
|
97
|
106
|
107
|
125
|
95
|
34
|
43
|
53
|
55
|
57
|
63
|
76
|
96
|
100
|
106
|
86
|
|
2025/11
|
13
|
20
|
24
|
22
|
44
|
35
|
22
|
30
|
37
|
15
|
30
|
44
|
35
|
44
|
41
|
40
|
31
|
37
|
36
|
48
|
49
|
75
|
100
|
81
|
65
|
77
|
88
|
82
|
109
|
115
|
|
|
2025/10
|
33
|
12
|
14
|
18
|
16
|
8
|
13
|
30
|
42
|
40
|
15
|
9
|
11
|
17
|
28
|
34
|
26
|
14
|
14
|
10
|
10
|
10
|
8
|
10
|
13
|
18
|
24
|
29
|
38
|
32
|
29
|
|
2025/09
|
20
|
29
|
26
|
30
|
30
|
39
|
52
|
35
|
27
|
35
|
15
|
12
|
14
|
17
|
21
|
18
|
18
|
10
|
13
|
16
|
16
|
16
|
9
|
14
|
24
|
25
|
21
|
8
|
15
|
18
|
|
|
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