Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
35
PM2.5
53
*
PM10
16
O3
0.8
CO
5
SO2
59
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
17 May
120
Light
Sun
18 May
91
Good
Mon
19 May
125
Light
Tue
20 May
124
Light
Wed
21 May
119
Light
Thu
22 May
15
Excellent
Fri
23 May
18
Excellent
Air quality in the last 12 months (Chongchuan)
|
2025/02
|
21
|
59
|
76
|
56
|
59
|
41
|
48
|
32
|
43
|
53
|
36
|
81
|
50
|
43
|
86
|
135
|
64
|
50
|
45
|
35
|
34
|
50
|
48
|
68
|
97
|
123
|
140
|
84
|
|||
|
2025/01
|
64
|
52
|
53
|
48
|
96
|
91
|
65
|
71
|
37
|
40
|
64
|
79
|
90
|
113
|
50
|
65
|
74
|
71
|
117
|
180
|
108
|
51
|
40
|
40
|
32
|
44
|
62
|
68
|
116
|
53
|
52
|
|
2024/12
|
71
|
85
|
58
|
36
|
71
|
138
|
132
|
38
|
50
|
42
|
70
|
43
|
62
|
59
|
65
|
77
|
92
|
57
|
40
|
63
|
88
|
46
|
44
|
61
|
93
|
109
|
52
|
56
|
71
|
86
|
75
|
|
2024/11
|
10
|
56
|
71
|
61
|
39
|
27
|
27
|
33
|
40
|
41
|
42
|
54
|
51
|
41
|
54
|
28
|
34
|
30
|
24
|
30
|
64
|
76
|
26
|
33
|
28
|
45
|
72
|
72
|
52
|
69
|
|
|
2024/10
|
17
|
26
|
18
|
20
|
22
|
7
|
10
|
38
|
35
|
56
|
81
|
68
|
26
|
27
|
52
|
42
|
32
|
34
|
26
|
28
|
22
|
33
|
42
|
32
|
34
|
22
|
20
|
48
|
28
|
31
|
26
|
|
2024/09
|
31
|
34
|
18
|
22
|
24
|
27
|
41
|
29
|
19
|
27
|
12
|
20
|
18
|
18
|
20
|
13
|
14
|
16
|
18
|
10
|
17
|
26
|
22
|
23
|
30
|
16
|
31
|
32
|
36
|
33
|
|
|
2024/08
|
34
|
31
|
36
|
29
|
37
|
26
|
31
|
32
|
31
|
41
|
42
|
37
|
36
|
19
|
16
|
26
|
26
|
16
|
17
|
23
|
35
|
45
|
39
|
24
|
20
|
21
|
28
|
24
|
18
|
22
|
24
|
|
2024/07
|
24
|
30
|
29
|
32
|
25
|
40
|
33
|
37
|
38
|
14
|
22
|
16
|
18
|
29
|
55
|
45
|
36
|
31
|
36
|
39
|
39
|
40
|
27
|
21
|
19
|
23
|
24
|
18
|
20
|
20
|
28
|
|
2024/06
|
61
|
34
|
50
|
43
|
33
|
21
|
24
|
30
|
41
|
34
|
25
|
23
|
44
|
37
|
31
|
31
|
19
|
29
|
19
|
22
|
36
|
20
|
33
|
42
|
36
|
18
|
25
|
29
|
28
|
15
|
|
|
2024/05
|
42
|
41
|
37
|
43
|
34
|
63
|
61
|
50
|
40
|
43
|
47
|
88
|
84
|
55
|
59
|
46
|
46
|
43
|
32
|
27
|
25
|
40
|
31
|
24
|
25
|
35
|
24
|
27
|
33
|
30
|
42
|
|
2024/04
|
75
|
31
|
31
|
59
|
46
|
49
|
47
|
44
|
67
|
61
|
55
|
29
|
18
|
24
|
45
|
50
|
62
|
95
|
86
|
35
|
24
|
28
|
52
|
61
|
48
|
37
|
20
|
15
|
24
|
45
|
|
|
2024/03
|
49
|
61
|
76
|
42
|
30
|
60
|
56
|
90
|
87
|
56
|
63
|
96
|
61
|
57
|
47
|
59
|
73
|
54
|
101
|
94
|
64
|
69
|
69
|
44
|
35
|
39
|
47
|
64
|
66
|
74
|
90
|
|
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