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
12 Mar
Thu
13 Mar
Fri
14 Mar
Sat
15 Mar
Sun
16 Mar
Mon
17 Mar
Tue
18 Mar
Real-time AQI (Monitoring Station in Tianshui)
进步巷
7326
PM2.5
95 *
PM10
47
O3
0.5
CO
13
SO2
18
NO2
文化馆
7443
PM2.5
97 *
PM10
44
O3
0.7
CO
10
SO2
25
NO2
Air quality in the last 12 months (Tianshui)
|
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
|
|
2024/12
|
77
|
76
|
71
|
65
|
63
|
68
|
58
|
57
|
52
|
61
|
72
|
60
|
49
|
61
|
71
|
83
|
80
|
69
|
59
|
64
|
68
|
61
|
59
|
66
|
68
|
69
|
59
|
63
|
81
|
71
|
66
|
|
2024/11
|
39
|
38
|
47
|
49
|
50
|
41
|
46
|
42
|
49
|
61
|
50
|
54
|
42
|
34
|
49
|
48
|
37
|
26
|
34
|
48
|
50
|
44
|
57
|
41
|
46
|
58
|
63
|
67
|
63
|
78
|
|
|
2024/10
|
30
|
31
|
35
|
28
|
41
|
44
|
41
|
45
|
44
|
39
|
45
|
33
|
33
|
43
|
31
|
40
|
30
|
45
|
38
|
26
|
32
|
37
|
54
|
50
|
54
|
39
|
39
|
47
|
50
|
46
|
34
|
|
2024/09
|
25
|
35
|
31
|
29
|
22
|
29
|
21
|
28
|
26
|
25
|
30
|
38
|
28
|
26
|
38
|
38
|
34
|
38
|
35
|
31
|
29
|
34
|
39
|
41
|
33
|
26
|
53
|
73
|
40
|
24
|
|
|
2024/08
|
33
|
36
|
21
|
17
|
21
|
26
|
20
|
24
|
58
|
56
|
42
|
37
|
36
|
35
|
19
|
31
|
30
|
29
|
29
|
30
|
31
|
34
|
38
|
40
|
36
|
29
|
26
|
33
|
36
|
32
|
37
|
|
2024/07
|
28
|
30
|
23
|
20
|
41
|
43
|
22
|
19
|
27
|
31
|
30
|
29
|
28
|
26
|
16
|
17
|
15
|
19
|
23
|
20
|
18
|
22
|
23
|
86
|
76
|
53
|
49
|
41
|
31
|
31
|
29
|
|
2024/06
|
50
|
31
|
28
|
27
|
31
|
32
|
27
|
32
|
27
|
34
|
35
|
41
|
42
|
46
|
46
|
24
|
22
|
23
|
27
|
26
|
23
|
36
|
34
|
40
|
37
|
30
|
18
|
25
|
40
|
40
|
|
|
2024/05
|
30
|
31
|
26
|
30
|
44
|
52
|
54
|
44
|
35
|
48
|
63
|
57
|
53
|
53
|
49
|
51
|
51
|
46
|
37
|
38
|
32
|
38
|
41
|
45
|
37
|
33
|
44
|
49
|
37
|
47
|
66
|
|
2024/04
|
40
|
91
|
66
|
62
|
63
|
52
|
45
|
37
|
42
|
30
|
39
|
39
|
42
|
54
|
92
|
78
|
50
|
44
|
75
|
96
|
62
|
57
|
65
|
60
|
40
|
43
|
31
|
49
|
45
|
29
|
|
|
2024/03
|
45
|
51
|
47
|
53
|
71
|
64
|
114
|
84
|
54
|
57
|
65
|
56
|
49
|
43
|
47
|
145
|
81
|
79
|
71
|
61
|
53
|
58
|
98
|
45
|
39
|
48
|
56
|
51
|
45
|
64
|
47
|
|
2024/02
|
112
|
48
|
52
|
65
|
70
|
72
|
70
|
84
|
124
|
187
|
73
|
80
|
73
|
64
|
46
|
45
|
43
|
194
|
331
|
165
|
67
|
58
|
49
|
94
|
82
|
73
|
73
|
88
|
75
|
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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22
|
23
|
24
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25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
*: primary pollution