Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Dec
Mon
22 Dec
Tue
23 Dec
Wed
24 Dec
Thu
25 Dec
Fri
26 Dec
Sat
27 Dec
Real-time AQI (Monitoring Station in Dazhou)
市环境监测站
113
PM2.5
9
PM10
35
O3
0.2
CO
5
SO2
15
NO2
凤凰小区
137
PM2.5
9
PM10
40
O3
0.2
CO
4
SO2
11
NO2
达县机关宾馆
128
PM2.5
9
PM10
25
O3
0.4
CO
2
SO2
21
NO2
市政中心
217
PM2.5
21
PM10
39
O3
0.3
CO
7
SO2
12
NO2
Air quality in the last 12 months (Dazhou)
|
2025/11
|
53
|
49
|
59
|
52
|
50
|
29
|
14
|
24
|
18
|
35
|
44
|
52
|
57
|
47
|
43
|
50
|
17
|
29
|
41
|
68
|
71
|
93
|
76
|
63
|
58
|
68
|
72
|
72
|
75
|
91
|
|
|
2025/10
|
18
|
17
|
14
|
14
|
28
|
38
|
37
|
33
|
43
|
42
|
44
|
27
|
22
|
26
|
17
|
27
|
13
|
20
|
14
|
10
|
13
|
17
|
23
|
27
|
23
|
32
|
36
|
41
|
43
|
32
|
42
|
|
2025/09
|
38
|
43
|
48
|
43
|
42
|
15
|
33
|
22
|
29
|
23
|
23
|
21
|
26
|
34
|
41
|
37
|
21
|
25
|
18
|
19
|
16
|
14
|
15
|
25
|
31
|
23
|
26
|
29
|
14
|
19
|
|
|
2025/08
|
34
|
37
|
40
|
41
|
33
|
29
|
28
|
23
|
25
|
19
|
23
|
29
|
30
|
36
|
32
|
15
|
23
|
29
|
37
|
35
|
33
|
24
|
29
|
27
|
26
|
31
|
32
|
37
|
39
|
36
|
35
|
|
2025/07
|
19
|
20
|
22
|
21
|
27
|
29
|
21
|
15
|
21
|
25
|
27
|
33
|
41
|
42
|
43
|
42
|
44
|
26
|
25
|
26
|
27
|
21
|
15
|
14
|
18
|
23
|
28
|
25
|
31
|
29
|
30
|
|
2025/06
|
14
|
28
|
39
|
44
|
43
|
45
|
28
|
19
|
33
|
43
|
43
|
40
|
47
|
37
|
43
|
50
|
43
|
23
|
21
|
33
|
17
|
22
|
23
|
23
|
15
|
23
|
29
|
29
|
23
|
15
|
|
|
2025/05
|
53
|
66
|
66
|
46
|
56
|
56
|
52
|
31
|
76
|
81
|
63
|
60
|
51
|
46
|
73
|
76
|
75
|
63
|
71
|
79
|
69
|
33
|
63
|
67
|
56
|
48
|
41
|
26
|
30
|
34
|
22
|
|
2025/04
|
43
|
57
|
62
|
59
|
66
|
65
|
63
|
65
|
66
|
53
|
40
|
333
|
254
|
146
|
97
|
82
|
86
|
71
|
57
|
39
|
37
|
56
|
67
|
56
|
57
|
60
|
53
|
51
|
52
|
42
|
|
|
2025/03
|
86
|
74
|
17
|
17
|
21
|
36
|
45
|
53
|
56
|
51
|
53
|
51
|
35
|
35
|
24
|
32
|
50
|
50
|
58
|
56
|
61
|
78
|
85
|
68
|
64
|
61
|
139
|
52
|
33
|
39
|
37
|
|
2025/02
|
52
|
34
|
38
|
39
|
41
|
34
|
42
|
42
|
51
|
62
|
86
|
74
|
52
|
45
|
47
|
59
|
63
|
56
|
65
|
38
|
42
|
31
|
30
|
48
|
63
|
85
|
75
|
72
|
|||
|
2025/01
|
163
|
169
|
174
|
90
|
61
|
87
|
104
|
72
|
76
|
72
|
83
|
85
|
103
|
129
|
102
|
75
|
94
|
124
|
128
|
123
|
145
|
212
|
247
|
74
|
14
|
52
|
70
|
79
|
147
|
112
|
128
|
|
2024/12
|
84
|
90
|
93
|
35
|
29
|
31
|
34
|
39
|
46
|
59
|
54
|
58
|
65
|
68
|
87
|
105
|
128
|
137
|
91
|
111
|
145
|
124
|
80
|
103
|
102
|
122
|
105
|
90
|
125
|
177
|
174
|
|
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
*: primary pollution