Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
1 Feb
Mon
2 Feb
Tue
3 Feb
Wed
4 Feb
Thu
5 Feb
Fri
6 Feb
Sat
7 Feb
Real-time AQI (Monitoring Station in Tianshui)
进步巷
8848
PM2.5
125 *
PM10
97
O3
0.7
CO
11
SO2
9
NO2
文化馆
8556
PM2.5
119 *
PM10
94
O3
0.4
CO
20
SO2
15
NO2
Air quality in the last 12 months (Tianshui)
|
2025/12
|
67
|
62
|
57
|
62
|
69
|
71
|
72
|
68
|
87
|
84
|
74
|
67
|
92
|
71
|
68
|
76
|
69
|
65
|
68
|
43
|
49
|
54
|
55
|
64
|
56
|
63
|
77
|
84
|
87
|
83
|
81
|
|
2025/11
|
64
|
60
|
48
|
26
|
38
|
42
|
79
|
72
|
64
|
64
|
58
|
56
|
60
|
66
|
60
|
58
|
53
|
47
|
60
|
68
|
67
|
67
|
71
|
70
|
64
|
107
|
126
|
86
|
81
|
69
|
|
|
2025/10
|
31
|
22
|
23
|
22
|
38
|
23
|
17
|
21
|
20
|
20
|
24
|
27
|
35
|
34
|
36
|
28
|
24
|
36
|
28
|
21
|
21
|
24
|
27
|
22
|
32
|
46
|
45
|
45
|
49
|
58
|
65
|
|
2025/09
|
29
|
48
|
56
|
41
|
40
|
45
|
49
|
34
|
36
|
31
|
22
|
28
|
28
|
29
|
32
|
34
|
30
|
22
|
21
|
23
|
20
|
22
|
24
|
34
|
38
|
43
|
33
|
32
|
44
|
44
|
|
|
2025/08
|
34
|
33
|
35
|
34
|
28
|
33
|
36
|
32
|
29
|
28
|
35
|
40
|
34
|
34
|
33
|
26
|
23
|
27
|
28
|
35
|
33
|
30
|
21
|
24
|
27
|
29
|
22
|
24
|
25
|
27
|
27
|
|
2025/07
|
24
|
23
|
17
|
19
|
23
|
25
|
18
|
20
|
21
|
24
|
24
|
29
|
30
|
28
|
33
|
38
|
36
|
26
|
45
|
29
|
25
|
27
|
29
|
20
|
19
|
22
|
25
|
27
|
35
|
25
|
32
|
|
2025/06
|
35
|
40
|
39
|
34
|
36
|
42
|
39
|
37
|
36
|
35
|
42
|
43
|
36
|
50
|
67
|
45
|
41
|
33
|
47
|
43
|
30
|
24
|
25
|
28
|
26
|
25
|
21
|
29
|
32
|
19
|
|
|
2025/05
|
61
|
54
|
85
|
93
|
52
|
79
|
40
|
59
|
53
|
46
|
44
|
59
|
52
|
66
|
53
|
53
|
76
|
60
|
62
|
58
|
54
|
101
|
51
|
37
|
30
|
38
|
30
|
32
|
34
|
61
|
55
|
|
2025/04
|
108
|
98
|
81
|
91
|
88
|
63
|
42
|
91
|
89
|
79
|
153
|
365
|
94
|
79
|
58
|
82
|
79
|
209
|
131
|
70
|
91
|
103
|
70
|
58
|
55
|
45
|
45
|
53
|
61
|
89
|
|
|
2025/03
|
73
|
49
|
39
|
39
|
49
|
51
|
59
|
59
|
37
|
31
|
132
|
93
|
73
|
37
|
52
|
49
|
54
|
45
|
56
|
60
|
53
|
52
|
61
|
51
|
47
|
214
|
144
|
112
|
92
|
72
|
83
|
|
2025/02
|
87
|
78
|
43
|
58
|
56
|
53
|
75
|
71
|
58
|
47
|
65
|
91
|
68
|
53
|
56
|
60
|
52
|
46
|
79
|
73
|
75
|
64
|
53
|
62
|
67
|
49
|
44
|
50
|
|||
|
2025/01
|
93
|
76
|
79
|
84
|
72
|
73
|
60
|
63
|
59
|
67
|
70
|
74
|
77
|
70
|
53
|
74
|
81
|
75
|
76
|
83
|
72
|
82
|
142
|
151
|
70
|
75
|
82
|
106
|
162
|
114
|
116
|
|
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