Air Quality
Excellent
No health implications.
23
PM2.5
39
PM10
51
O3
0.9
CO
13
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Apr
55
Good
Sun
19 Apr
79
Good
Mon
20 Apr
73
Good
Tue
21 Apr
48
Excellent
Wed
22 Apr
46
Excellent
Thu
23 Apr
22
Excellent
Fri
24 Apr
40
Excellent
Air quality in the last 12 months (Chongren)
|
2026/03
|
18
|
21
|
32
|
58
|
58
|
54
|
62
|
63
|
64
|
56
|
52
|
56
|
48
|
54
|
77
|
81
|
61
|
27
|
26
|
35
|
50
|
43
|
27
|
26
|
49
|
32
|
35
|
54
|
55
|
29
|
29
|
|
2026/02
|
46
|
44
|
60
|
65
|
72
|
56
|
31
|
50
|
57
|
61
|
57
|
67
|
57
|
48
|
63
|
40
|
82
|
72
|
55
|
39
|
37
|
66
|
71
|
30
|
28
|
29
|
20
|
28
|
|||
|
2026/01
|
32
|
34
|
56
|
59
|
46
|
51
|
46
|
53
|
52
|
55
|
62
|
70
|
76
|
61
|
66
|
82
|
85
|
144
|
87
|
27
|
45
|
55
|
67
|
73
|
75
|
72
|
48
|
49
|
61
|
43
|
24
|
|
2025/12
|
67
|
88
|
64
|
57
|
69
|
77
|
86
|
79
|
97
|
93
|
96
|
87
|
36
|
42
|
48
|
51
|
68
|
137
|
85
|
80
|
78
|
49
|
54
|
27
|
43
|
56
|
63
|
69
|
65
|
74
|
99
|
|
2025/11
|
46
|
56
|
64
|
40
|
30
|
43
|
44
|
28
|
21
|
27
|
55
|
34
|
38
|
46
|
57
|
64
|
67
|
28
|
37
|
46
|
51
|
58
|
65
|
62
|
75
|
76
|
71
|
78
|
60
|
56
|
|
|
2025/10
|
41
|
41
|
41
|
51
|
40
|
31
|
41
|
51
|
45
|
45
|
40
|
43
|
64
|
51
|
48
|
57
|
51
|
47
|
21
|
24
|
32
|
33
|
42
|
45
|
56
|
65
|
60
|
70
|
59
|
86
|
50
|
|
2025/09
|
25
|
25
|
24
|
29
|
29
|
35
|
31
|
26
|
19
|
20
|
23
|
25
|
25
|
28
|
30
|
29
|
32
|
35
|
36
|
37
|
36
|
44
|
39
|
37
|
31
|
35
|
42
|
43
|
46
|
47
|
|
|
2025/08
|
32
|
34
|
24
|
18
|
17
|
15
|
18
|
22
|
27
|
34
|
36
|
38
|
29
|
22
|
17
|
21
|
22
|
23
|
19
|
17
|
17
|
25
|
29
|
25
|
20
|
30
|
26
|
22
|
25
|
25
|
28
|
|
2025/07
|
19
|
23
|
27
|
30
|
27
|
34
|
42
|
44
|
26
|
24
|
30
|
22
|
24
|
28
|
31
|
29
|
39
|
45
|
30
|
21
|
20
|
19
|
27
|
23
|
28
|
28
|
24
|
25
|
23
|
30
|
28
|
|
2025/06
|
25
|
20
|
26
|
32
|
31
|
34
|
32
|
29
|
28
|
28
|
27
|
29
|
35
|
24
|
20
|
25
|
19
|
17
|
20
|
18
|
17
|
18
|
22
|
22
|
29
|
26
|
19
|
20
|
22
|
21
|
|
|
2025/05
|
53
|
49
|
51
|
54
|
29
|
40
|
59
|
41
|
27
|
44
|
36
|
37
|
37
|
37
|
49
|
25
|
23
|
21
|
26
|
25
|
26
|
30
|
25
|
57
|
59
|
58
|
52
|
36
|
27
|
28
|
28
|
|
2025/04
|
48
|
60
|
55
|
62
|
53
|
57
|
57
|
59
|
58
|
41
|
39
|
151
|
146
|
109
|
70
|
50
|
64
|
60
|
32
|
26
|
33
|
24
|
46
|
42
|
27
|
23
|
22
|
38
|
54
|
55
|
|
|
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