AQSQID: 060798002

Site Name: Atascadero2

Location: Atascadero (Asuncion), CA

Reporting: True, Located: True

Current AQI: 12.0

Atascadero (Asuncion) CA, US: 35.494556, -120.666203

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 29, 2020, 3 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) N/A 11.0 μg/m3 (10) -3.0 μg/m3 (0) 12.0
 
Jan. 29, 2020, 2 p.m. 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A 8.0 μg/m3 (7) -2.0 μg/m3 (0) 12.0
 
Jan. 29, 2020, 1 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 15.0
 
Jan. 29, 2020, noon 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) N/A 8.0 μg/m3 (7) -1.0 μg/m3 (0) 18.0
 
Jan. 29, 2020, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 22.0
 
Jan. 29, 2020, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 22.0
 
Jan. 29, 2020, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 22.0
 
Jan. 29, 2020, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 23.0
 
Jan. 29, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 29, 2020, 6 a.m. 13.0 ppb (12) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
Jan. 29, 2020, 5 a.m. 13.0 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A 8.0 ppb (6) N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 12.0
 
Jan. 29, 2020, 4 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) N/A 11.0 μg/m3 (10) -1.0 μg/m3 (0) 12.0
 
Jan. 29, 2020, 3 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 19.0
 
Jan. 29, 2020, 2 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 24.0
 
Jan. 29, 2020, 1 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) N/A 15.0 μg/m3 (14) 0.0 μg/m3 (0) 20.0
 
Jan. 29, 2020, midnight 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A 4.0 μg/m3 (4) -2.0 μg/m3 (0) 25.0
 
Jan. 28, 2020, 11 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 27.0
 
Jan. 28, 2020, 10 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A 7.0 μg/m3 (6) 10.0 μg/m3 (42) 42.0
 
Jan. 28, 2020, 9 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Jan. 28, 2020, 8 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 23.0
 
Jan. 28, 2020, 7 p.m. 5.0 ppb (5) 3.0 ppb (3) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 28, 2020, 6 p.m. 47.0 ppb (44) 44.0 ppb (41) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 44.0
 
Jan. 28, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 28, 2020, 4 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 28, 2020, 3 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) N/A 1.0 μg/m3 (1) 0.0 μg/m3 (0) 11.0
 
Jan. 28, 2020, 2 p.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 6.0 ppb (5) N/A 2.0 μg/m3 (2) 0.0 μg/m3 (0) 10.0
 
Jan. 28, 2020, 1 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A 0.0 μg/m3 (0) 0.0 μg/m3 (0) 12.0
 
Jan. 28, 2020, noon 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (11) N/A 0.0 μg/m3 (0) -1.0 μg/m3 (0) 11.0
 
Jan. 28, 2020, 11 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 9.0 ppb (7) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 28, 2020, 10 a.m. 11.0 ppb (10) 5.0 ppb (5) N/A 6.0 ppb (6) N/A N/A 2.0 ppb (2) N/A 10.0 μg/m3 (9) 10.0 μg/m3 (42) 42.0
 
Jan. 28, 2020, 9 a.m. 15.0 ppb (14) 7.0 ppb (6) N/A 8.0 ppb (7) N/A N/A 1.0 ppb (1) N/A 10.0 μg/m3 (9) 9.0 μg/m3 (38) 38.0
 
Jan. 28, 2020, 8 a.m. 20.0 ppb (19) 10.0 ppb (9) N/A 9.0 ppb (8) N/A N/A 1.0 ppb (1) N/A 8.0 μg/m3 (7) 8.0 μg/m3 (33) 33.0
 
Jan. 28, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Jan. 28, 2020, 6 a.m. 17.0 ppb (16) 2.0 ppb (2) N/A 14.0 ppb (13) N/A N/A 3.0 ppb (2) N/A 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 28, 2020, 5 a.m. 22.0 ppb (20) 3.0 ppb (3) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (2) N/A 18.0 μg/m3 (16) 15.0 μg/m3 (56) 56.0
 
Jan. 28, 2020, 4 a.m. 23.0 ppb (21) 4.0 ppb (4) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (2) N/A 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Jan. 28, 2020, 3 a.m. 26.0 ppb (24) 6.0 ppb (6) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (2) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 28, 2020, 2 a.m. 17.0 ppb (16) 1.0 ppb (1) N/A 16.0 ppb (15) N/A N/A 10.0 ppb (8) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Jan. 28, 2020, 1 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (8) 17.0
 
Jan. 28, 2020, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 28.0
 
Jan. 27, 2020, 11 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 28.0
 
Jan. 27, 2020, 10 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 28.0
 
Jan. 27, 2020, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A 1.0 μg/m3 (1) -1.0 μg/m3 (0) 28.0
 
Jan. 27, 2020, 8 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A 1.0 μg/m3 (1) 5.0 μg/m3 (21) 25.0
 
Jan. 27, 2020, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A -1.0 μg/m3 (0) 8.0 μg/m3 (33) 33.0
 
Jan. 27, 2020, 6 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) N/A 0.0 μg/m3 (0) 4.0 μg/m3 (17) 17.0
 
Jan. 27, 2020, 5 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) N/A 2.0 μg/m3 (2) 1.0 μg/m3 (4) 15.0
 
Jan. 27, 2020, 4 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) N/A 2.0 μg/m3 (2) 0.0 μg/m3 (0) 15.0
 
Jan. 27, 2020, 3 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) N/A 0.0 μg/m3 (0) 0.0 μg/m3 (0) 14.0
 
Jan. 27, 2020, 2 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) N/A 0.0 μg/m3 (0) 0.0 μg/m3 (0) 15.0
 
Jan. 27, 2020, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 17.0
 
Jan. 27, 2020, noon 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 18.0
 
Jan. 27, 2020, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 19.0
 
Jan. 27, 2020, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 21.0
 
Jan. 27, 2020, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 21.0
 
Jan. 27, 2020, 8 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 15.0
 
Jan. 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 27, 2020, 6 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A 8.0 μg/m3 (7) 10.0 μg/m3 (42) 42.0
 
Jan. 27, 2020, 5 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 24.0
 
Jan. 27, 2020, 4 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A 3.0 μg/m3 (3) -2.0 μg/m3 (0) 25.0
 
Jan. 27, 2020, 3 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A 3.0 μg/m3 (3) N/A 24.0
 
Jan. 27, 2020, 2 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A 4.0 μg/m3 (4) N/A 24.0
 
Jan. 27, 2020, 1 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A 4.0 μg/m3 (4) -3.0 μg/m3 (0) 26.0
 
Jan. 27, 2020, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A 2.0 μg/m3 (2) -1.0 μg/m3 (0) 27.0
 
Jan. 26, 2020, 11 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A 0.0 μg/m3 (0) 3.0 μg/m3 (12) 28.0
 
Jan. 26, 2020, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A 0.0 μg/m3 (0) 9.0 μg/m3 (38) 38.0
 
Jan. 26, 2020, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2020, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 18.0
 
Jan. 26, 2020, 7 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 26, 2020, 6 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Jan. 26, 2020, 5 p.m. 8.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 10.0 ppb (8) N/A 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 26, 2020, 4 p.m. 8.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 5.0 ppb (4) N/A 6.0 μg/m3 (5) 17.0 μg/m3 (61) 61.0
 
Jan. 26, 2020, 3 p.m. 13.0 ppb (12) 6.0 ppb (6) N/A 6.0 ppb (6) N/A N/A 2.0 ppb (2) N/A 9.0 μg/m3 (8) -4.0 μg/m3 (0) 12.0
 
Jan. 26, 2020, 2 p.m. 12.0 ppb (11) 6.0 ppb (6) N/A 5.0 ppb (5) N/A N/A 1.0 ppb (1) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 12.0
 
Jan. 26, 2020, 1 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 5.0 ppb (5) N/A N/A 1.0 ppb (1) N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2020, noon 8.0 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 2.0 ppb (2) N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 26, 2020, 11 a.m. 11.0 ppb (10) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A 1.0 ppb (1) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 26, 2020, 10 a.m. 11.0 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A 2.0 ppb (2) N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2020, 9 a.m. 12.0 ppb (11) 5.0 ppb (5) N/A 7.0 ppb (6) N/A N/A 1.0 ppb (1) N/A 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
Jan. 26, 2020, 8 a.m. 13.0 ppb (12) 5.0 ppb (5) N/A 8.0 ppb (7) N/A N/A 1.0 ppb (1) N/A 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 26, 2020, 6 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 3.0 ppb (2) N/A 21.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
Jan. 26, 2020, 5 a.m. 15.0 ppb (14) 2.0 ppb (2) N/A 12.0 ppb (11) N/A N/A 5.0 ppb (4) N/A 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Jan. 26, 2020, 4 a.m. 14.0 ppb (13) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) N/A 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
Jan. 26, 2020, 3 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 14.0 ppb (11) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (8) 14.0
 
Jan. 26, 2020, 2 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 18.0
 
Jan. 26, 2020, 1 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
Jan. 26, 2020, midnight 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A 13.0 μg/m3 (12) 3.0 μg/m3 (12) 26.0
 
Jan. 25, 2020, 11 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 27.0
 
Jan. 25, 2020, 10 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 27.0
 
Jan. 25, 2020, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 27.0
 
Jan. 25, 2020, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A 6.0 μg/m3 (5) 21.0 μg/m3 (69) 69.0
 
Jan. 25, 2020, 7 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) N/A 8.0 μg/m3 (7) 9.0 μg/m3 (38) 38.0
 
Jan. 25, 2020, 6 p.m. 5.0 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) N/A 12.0 μg/m3 (11) 15.0 μg/m3 (56) 56.0
 
Jan. 25, 2020, 5 p.m. 8.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 11.0 ppb (8) N/A 12.0 μg/m3 (11) 21.0 μg/m3 (69) 69.0
 
Jan. 25, 2020, 4 p.m. 19.0 ppb (18) 11.0 ppb (10) N/A 7.0 ppb (6) N/A N/A 3.0 ppb (2) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 25, 2020, 3 p.m. 17.0 ppb (16) 11.0 ppb (10) N/A 6.0 ppb (6) N/A N/A 1.0 ppb (1) N/A 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Jan. 25, 2020, 2 p.m. 10.0 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A 1.0 ppb (1) N/A 13.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Jan. 25, 2020, 1 p.m. 11.0 ppb (10) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A 1.0 ppb (1) N/A 14.0 μg/m3 (13) 13.0 μg/m3 (52) 52.0
 
Jan. 25, 2020, noon 9.0 ppb (8) 3.0 ppb (3) N/A 6.0 ppb (6) N/A N/A 1.0 ppb (1) N/A 18.0 μg/m3 (16) 16.0 μg/m3 (59) 59.0
 
Jan. 25, 2020, 11 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 2.0 ppb (2) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 25, 2020, 10 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 3.0 ppb (2) N/A 15.0 μg/m3 (14) 15.0 μg/m3 (56) 56.0
 
Jan. 25, 2020, 9 a.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 7.0 ppb (5) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 25, 2020, 8 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 10.0 ppb (8) N/A 21.0 μg/m3 (19) 19.0 μg/m3 (65) 65.0
 
Jan. 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 16.0 μg/m3 (59) 59.0
 
Jan. 25, 2020, 6 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 6.0 ppb (5) N/A 21.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Jan. 25, 2020, 5 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 10.0 ppb (8) N/A 20.0 μg/m3 (18) 14.0 μg/m3 (54) 54.0
 
Jan. 25, 2020, 4 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) N/A 23.0 μg/m3 (21) 16.0 μg/m3 (59) 59.0
 
Jan. 25, 2020, 3 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 25, 2020, 2 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) N/A 17.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 25, 2020, 1 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Jan. 25, 2020, midnight 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A 13.0 μg/m3 (12) 3.0 μg/m3 (12) 24.0
 
Jan. 24, 2020, 11 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 24.0
 
Jan. 24, 2020, 10 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2020, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2020, 8 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A 13.0 μg/m3 (12) 25.0 μg/m3 (78) 78.0
 
Jan. 24, 2020, 7 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) N/A 8.0 μg/m3 (7) 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2020, 6 p.m. 7.0 ppb (6) 3.0 ppb (3) N/A 3.0 ppb (3) N/A N/A 11.0 ppb (8) N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Jan. 24, 2020, 5 p.m. 14.0 ppb (13) 8.0 ppb (7) N/A 6.0 ppb (6) N/A N/A 5.0 ppb (4) N/A 8.0 μg/m3 (7) 12.0 μg/m3 (50) 50.0
 
Jan. 24, 2020, 4 p.m. 20.0 ppb (19) 12.0 ppb (11) N/A 8.0 ppb (7) N/A N/A 2.0 ppb (2) N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 19.0
 
Jan. 24, 2020, 3 p.m. 25.0 ppb (23) 16.0 ppb (15) N/A 9.0 ppb (8) N/A N/A 1.0 ppb (1) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 23.0
 
Jan. 24, 2020, 2 p.m. 23.0 ppb (21) 17.0 ppb (16) N/A 6.0 ppb (6) N/A N/A 0.0 ppb (0) N/A 4.0 μg/m3 (4) 7.0 μg/m3 (29) 29.0
 
Jan. 24, 2020, 1 p.m. 12.0 ppb (11) 7.0 ppb (6) N/A 5.0 ppb (5) N/A N/A 1.0 ppb (1) N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2020, noon 11.0 ppb (10) 5.0 ppb (5) N/A 5.0 ppb (5) N/A N/A 1.0 ppb (1) N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Jan. 24, 2020, 11 a.m. 10.0 ppb (9) 5.0 ppb (5) N/A 5.0 ppb (5) N/A N/A 0.0 ppb (0) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Jan. 24, 2020, 10 a.m. 9.0 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 1.0 ppb (1) N/A 19.0 μg/m3 (17) 1.0 μg/m3 (4) 17.0
 
Jan. 24, 2020, 9 a.m. 11.0 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A 1.0 ppb (1) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2020, 8 a.m. 11.0 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 1.0 ppb (1) N/A 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
Jan. 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2020, 6 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 5.0 ppb (4) N/A 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Jan. 24, 2020, 5 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 11.0 ppb (8) N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Jan. 24, 2020, 4 a.m. 16.0 ppb (15) 2.0 ppb (2) N/A 13.0 ppb (12) N/A N/A 8.0 ppb (6) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 24, 2020, 3 a.m. 15.0 ppb (14) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A 8.0 ppb (6) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2020, 2 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Jan. 24, 2020, 1 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 22.0
 
Jan. 24, 2020, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A 9.0 μg/m3 (8) -1.0 μg/m3 (0) 24.0
 
Jan. 23, 2020, 11 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A 8.0 μg/m3 (7) -1.0 μg/m3 (0) 25.0
 
Jan. 23, 2020, 10 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 27.0
 
Jan. 23, 2020, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 27.0
 
Jan. 23, 2020, 8 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 26.0
 
Jan. 23, 2020, 7 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A 11.0 μg/m3 (10) 15.0 μg/m3 (56) 56.0
 
Jan. 23, 2020, 6 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A 9.0 μg/m3 (8) 19.0 μg/m3 (65) 65.0
 
Jan. 23, 2020, 5 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2020, 4 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) N/A 7.0 μg/m3 (6) 0.0 μg/m3 (0) 16.0
 
Jan. 23, 2020, 3 p.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) N/A 5.0 μg/m3 (5) -2.0 μg/m3 (0) 11.0
 
Jan. 23, 2020, 2 p.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) N/A 6.0 μg/m3 (5) -2.0 μg/m3 (0) 13.0
 
Jan. 23, 2020, 1 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 14.0
 
Jan. 23, 2020, noon 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 14.0
 
Jan. 23, 2020, 11 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) N/A 9.0 μg/m3 (8) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 10 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) N/A 19.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 12.0 ppb (9) N/A 23.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 8 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
Jan. 23, 2020, 6 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A 14.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2020, 5 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 25.0
 
Jan. 23, 2020, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 26.0
 
Jan. 23, 2020, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 26.0
 
Jan. 23, 2020, 2 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 27.0
 
Jan. 23, 2020, 1 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A 15.0 μg/m3 (14) 0.0 μg/m3 (0) 25.0
 
Jan. 23, 2020, midnight 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A 8.0 μg/m3 (7) -1.0 μg/m3 (0) 28.0
 
Jan. 22, 2020, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 28.0
 
Jan. 22, 2020, 10 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 28.0
 
Jan. 22, 2020, 9 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 26.0
 
Jan. 22, 2020, 8 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A 1.0 μg/m3 (1) 0.0 μg/m3 (0) 25.0
 
Jan. 22, 2020, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A -2.0 μg/m3 (0) -2.0 μg/m3 (0) 19.0
 
Jan. 22, 2020, 6 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) N/A 1.0 μg/m3 (1) 0.0 μg/m3 (0) 14.0
 
Jan. 22, 2020, 5 p.m. 10.0 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A 11.0 ppb (8) N/A 2.0 μg/m3 (2) 1.0 μg/m3 (4) 9.0
 
Jan. 22, 2020, 4 p.m. 14.0 ppb (13) 6.0 ppb (6) N/A 8.0 ppb (7) N/A N/A 7.0 ppb (5) N/A -1.0 μg/m3 (0) -2.0 μg/m3 (0) 13.0