AQSQID: 060798002

Site Name: Atascadero2

Location: Atascadero, CA

Reporting: True, Located: True

Current AQI: 35.0

Atascadero CA, US: 35.494556, -120.666203

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 22, 2019, 6 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A 30.0 μg/m3 (27) 1.0 μg/m3 (4) 35.0
 
Sept. 22, 2019, 5 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A 31.0 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
Sept. 22, 2019, 4 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) N/A 31.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
Sept. 22, 2019, 3 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) N/A 21.0 μg/m3 (19) 0.0 μg/m3 (0) 19.0
 
Sept. 22, 2019, 2 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 5.0 ppb (4) N/A 14.0 μg/m3 (13) 0.0 μg/m3 (0) 13.0
 
Sept. 22, 2019, 1 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 6.0 ppb (5) N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
Sept. 22, 2019, noon 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 7.0 ppb (5) N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
Sept. 22, 2019, 11 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 8.0 ppb (6) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
Sept. 22, 2019, 10 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 8.0 ppb (6) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
Sept. 22, 2019, 9 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 10.0 ppb (8) N/A 11.0 μg/m3 (10) -1.0 μg/m3 (0) 10.0
 
Sept. 22, 2019, 8 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) N/A 15.0 μg/m3 (14) 0.0 μg/m3 (0) 14.0
 
Sept. 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 10.0
 
Sept. 22, 2019, 6 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
Sept. 22, 2019, 5 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) N/A 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2019, 4 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) N/A 30.0 μg/m3 (27) 5.0 μg/m3 (21) 27.0
 
Sept. 22, 2019, 3 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) N/A 20.0 μg/m3 (18) 17.0 μg/m3 (61) 61.0
 
Sept. 22, 2019, 2 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A 27.0 μg/m3 (25) 4.0 μg/m3 (17) 26.0
 
Sept. 22, 2019, 1 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 34.0
 
Sept. 22, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A 21.0 μg/m3 (19) 2.0 μg/m3 (8) 38.0
 
Sept. 21, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 39.0
 
Sept. 21, 2019, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A 14.0 μg/m3 (13) 8.0 μg/m3 (33) 38.0
 
Sept. 21, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 37.0
 
Sept. 21, 2019, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A 15.0 μg/m3 (14) 0.0 μg/m3 (0) 35.0
 
Sept. 21, 2019, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A 20.0 μg/m3 (18) 0.0 μg/m3 (0) 35.0
 
Sept. 21, 2019, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A 24.0 μg/m3 (22) 6.0 μg/m3 (25) 32.0
 
Sept. 21, 2019, 5 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 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Sept. 21, 2019, 4 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) N/A 25.0 μg/m3 (23) 21.0 μg/m3 (69) 69.0
 
Sept. 21, 2019, 3 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 5.0 ppb (5) N/A N/A 12.0 ppb (9) N/A 23.0 μg/m3 (21) -1.0 μg/m3 (0) 21.0
 
Sept. 21, 2019, 2 p.m. 10.0 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A 4.0 ppb (3) N/A 18.0 μg/m3 (16) N/A 16.0
 
Sept. 21, 2019, 1 p.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 9.0 μg/m3 (8) -4.0 μg/m3 (0) 8.0
 
Sept. 21, 2019, noon 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 6.0 ppb (5) N/A 8.0 μg/m3 (7) -1.0 μg/m3 (0) 7.0
 
Sept. 21, 2019, 11 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 7.0 ppb (5) N/A 21.0 μg/m3 (19) 0.0 μg/m3 (0) 19.0
 
Sept. 21, 2019, 10 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 8.0 ppb (6) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
Sept. 21, 2019, 9 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 11.0 ppb (8) N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
Sept. 21, 2019, 8 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) N/A 10.0 μg/m3 (9) -1.0 μg/m3 (0) 11.0
 
Sept. 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
Sept. 21, 2019, 6 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 12.0 ppb (9) N/A 17.0 μg/m3 (15) 1.0 μg/m3 (4) 15.0
 
Sept. 21, 2019, 5 a.m. 13.0 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A 11.0 ppb (8) N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 21, 2019, 4 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) N/A 24.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Sept. 21, 2019, 3 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
Sept. 21, 2019, 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 9.0 μg/m3 (8) 0.0 μg/m3 (0) 19.0
 
Sept. 21, 2019, 1 a.m. 2.0 ppb (2) 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
 
Sept. 21, 2019, 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 11.0 μg/m3 (10) -1.0 μg/m3 (0) 27.0
 
Sept. 20, 2019, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 29.0
 
Sept. 20, 2019, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 32.0
 
Sept. 20, 2019, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 32.0
 
Sept. 20, 2019, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A 8.0 μg/m3 (7) -3.0 μg/m3 (0) 30.0
 
Sept. 20, 2019, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A 9.0 μg/m3 (8) -1.0 μg/m3 (0) 28.0
 
Sept. 20, 2019, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Sept. 20, 2019, 5 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2019, 4 p.m. 9.0 ppb (8) 4.0 ppb (4) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Sept. 20, 2019, 3 p.m. 18.0 ppb (17) 10.0 ppb (9) N/A 8.0 ppb (7) N/A N/A 7.0 ppb (5) N/A 27.0 μg/m3 (25) N/A 25.0
 
Sept. 20, 2019, 2 p.m. 17.0 ppb (16) 9.0 ppb (8) N/A 8.0 ppb (7) N/A N/A 2.0 ppb (2) N/A 17.0 μg/m3 (15) N/A 16.0
 
Sept. 20, 2019, 1 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 2.0 ppb (2) N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 9.0
 
Sept. 20, 2019, noon 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 5.0 ppb (4) N/A 7.0 μg/m3 (6) -1.0 μg/m3 (0) 6.0
 
Sept. 20, 2019, 11 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 8.0 ppb (6) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 6.0
 
Sept. 20, 2019, 10 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 7.0 ppb (5) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 6.0
 
Sept. 20, 2019, 9 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 11.0 ppb (8) N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 8.0
 
Sept. 20, 2019, 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 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
Sept. 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
Sept. 20, 2019, 6 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 12.0
 
Sept. 20, 2019, 5 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A 13.0 μg/m3 (12) 3.0 μg/m3 (12) 15.0
 
Sept. 20, 2019, 4 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) N/A 21.0 μg/m3 (19) 2.0 μg/m3 (8) 19.0
 
Sept. 20, 2019, 3 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 14.0
 
Sept. 20, 2019, 2 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Sept. 20, 2019, 1 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Sept. 20, 2019, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 23.0
 
Sept. 19, 2019, 11 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 23.0
 
Sept. 19, 2019, 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 6.0 μg/m3 (5) -3.0 μg/m3 (0) 24.0
 
Sept. 19, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A 6.0 μg/m3 (5) -3.0 μg/m3 (0) 25.0
 
Sept. 19, 2019, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 28.0
 
Sept. 19, 2019, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 25.0
 
Sept. 19, 2019, 6 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 13.0 μg/m3 (12) 4.0 μg/m3 (17) 24.0
 
Sept. 19, 2019, 5 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 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2019, 4 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) N/A 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2019, 3 p.m. 25.0 ppb (23) 17.0 ppb (16) N/A 7.0 ppb (6) N/A N/A 8.0 ppb (6) N/A 41.0 μg/m3 (37) 3.0 μg/m3 (12) 37.0
 
Sept. 19, 2019, 2 p.m. 19.0 ppb (18) 13.0 ppb (12) N/A 5.0 ppb (5) N/A N/A 1.0 ppb (1) N/A 14.0 μg/m3 (13) 1.0 μg/m3 (4) 18.0
 
Sept. 19, 2019, 1 p.m. 9.0 ppb (8) 4.0 ppb (4) N/A 4.0 ppb (4) N/A N/A 2.0 ppb (2) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Sept. 19, 2019, noon 6.0 ppb (6) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 2.0 ppb (2) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 6.0
 
Sept. 19, 2019, 11 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 3.0 ppb (2) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Sept. 19, 2019, 10 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 2.0 ppb (2) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 4.0
 
Sept. 19, 2019, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 4.0 ppb (3) N/A 0.0 μg/m3 (0) -2.0 μg/m3 (0) 4.0
 
Sept. 19, 2019, 8 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 4.0 ppb (3) N/A 1.0 μg/m3 (1) -2.0 μg/m3 (0) 4.0
 
Sept. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Sept. 19, 2019, 6 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 8.0 ppb (6) N/A 6.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2019, 5 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 10.0 ppb (8) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 12.0
 
Sept. 19, 2019, 4 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (12) N/A 2.0 μg/m3 (2) 0.0 μg/m3 (0) 12.0
 
Sept. 19, 2019, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 18.0 ppb (14) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 14.0
 
Sept. 19, 2019, 2 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (15) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2019, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (15) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Sept. 19, 2019, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 29.0
 
Sept. 18, 2019, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2019, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A 30.0 μg/m3 (27) 5.0 μg/m3 (21) 32.0
 
Sept. 18, 2019, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A 25.0 μg/m3 (23) -1.0 μg/m3 (0) 34.0
 
Sept. 18, 2019, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A 17.0 μg/m3 (15) -3.0 μg/m3 (0) 37.0
 
Sept. 18, 2019, 7 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A 20.0 μg/m3 (18) 0.0 μg/m3 (0) 35.0
 
Sept. 18, 2019, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A 21.0 μg/m3 (19) 4.0 μg/m3 (17) 30.0
 
Sept. 18, 2019, 5 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2019, 4 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2019, 3 p.m. 31.0 ppb (29) 17.0 ppb (16) N/A 13.0 ppb (12) N/A N/A 8.0 ppb (6) N/A 28.0 μg/m3 (25) -2.0 μg/m3 (0) 29.0
 
Sept. 18, 2019, 2 p.m. 21.0 ppb (19) 10.0 ppb (9) N/A 10.0 ppb (9) N/A N/A 2.0 ppb (2) N/A 20.0 μg/m3 (18) -4.0 μg/m3 (0) 19.0
 
Sept. 18, 2019, 1 p.m. 11.0 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 3.0 ppb (2) N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 10.0
 
Sept. 18, 2019, noon 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 8.0 ppb (6) N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
Sept. 18, 2019, 11 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 11.0 ppb (8) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
Sept. 18, 2019, 10 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 9.0
 
Sept. 18, 2019, 9 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 12.0
 
Sept. 18, 2019, 8 a.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 8.0 μg/m3 (7) 0.0 μg/m3 (0) 12.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
Sept. 18, 2019, 6 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) N/A 13.0 μg/m3 (12) 1.0 μg/m3 (4) 17.0
 
Sept. 18, 2019, 5 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 22.0
 
Sept. 18, 2019, 4 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2019, 3 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A 31.0 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2019, 2 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 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2019, 1 a.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 16.0 μg/m3 (15) 2.0 μg/m3 (8) 25.0
 
Sept. 18, 2019, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 29.0
 
Sept. 17, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2019, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A 16.0 μg/m3 (15) 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2019, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 22.0 μg/m3 (20) N/A 33.0
 
Sept. 17, 2019, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 17, 2019, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 17, 2019, 6 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 23.0 μg/m3 (21) 1.0 μg/m3 (4) 26.0
 
Sept. 17, 2019, 5 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2019, 4 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2019, 3 p.m. 12.0 ppb (11) 5.0 ppb (5) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) N/A 17.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
Sept. 17, 2019, 2 p.m. 18.0 ppb (17) 7.0 ppb (6) N/A 11.0 ppb (10) N/A N/A 4.0 ppb (3) N/A 15.0 μg/m3 (14) -3.0 μg/m3 (0) 17.0
 
Sept. 17, 2019, 1 p.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 7.0 μg/m3 (6) -1.0 μg/m3 (0) 11.0
 
Sept. 17, 2019, noon 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 5.0 ppb (4) N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 6.0
 
Sept. 17, 2019, 11 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 9.0 ppb (7) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Sept. 17, 2019, 10 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 10.0 ppb (8) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
Sept. 17, 2019, 9 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 12.0 ppb (9) N/A 7.0 μg/m3 (6) 0.0 μg/m3 (0) 9.0
 
Sept. 17, 2019, 8 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) N/A 4.0 μg/m3 (4) -1.0 μg/m3 (0) 11.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
Sept. 17, 2019, 6 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 21.0
 
Sept. 17, 2019, 5 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2019, 4 a.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 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 3 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 18.0
 
Sept. 17, 2019, 2 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 4.0 μg/m3 (4) -2.0 μg/m3 (0) 21.0
 
Sept. 17, 2019, 1 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 2.0 μg/m3 (2) 4.0 μg/m3 (17) 22.0
 
Sept. 17, 2019, midnight 2.0 ppb (2) 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) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2019, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) N/A 4.0 μg/m3 (4) 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 18.0
 
Sept. 16, 2019, 9 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) N/A 2.0 μg/m3 (2) -1.0 μg/m3 (0) 18.0
 
Sept. 16, 2019, 8 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) N/A 2.0 μg/m3 (2) N/A 18.0
 
Sept. 16, 2019, 7 p.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 2.0 μg/m3 (2) 0.0 μg/m3 (0) 19.0
 
Sept. 16, 2019, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 20.0
 
Sept. 16, 2019, 5 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 4.0 μg/m3 (4) 2.0 μg/m3 (8) 19.0
 
Sept. 16, 2019, 4 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, 3 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 2 p.m. 18.0 ppb (17) 4.0 ppb (4) N/A 13.0 ppb (12) N/A N/A 5.0 ppb (4) N/A 18.0 μg/m3 (16) 1.0 μg/m3 (4) 17.0
 
Sept. 16, 2019, 1 p.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 10.0 ppb (8) N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
Sept. 16, 2019, noon 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 11.0 ppb (8) N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
Sept. 16, 2019, 11 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 12.0 ppb (9) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 11.0
 
Sept. 16, 2019, 10 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
Sept. 16, 2019, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 13.0
 
Sept. 16, 2019, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 13.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
Sept. 16, 2019, 6 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 16.0
 
Sept. 16, 2019, 5 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 20.0
 
Sept. 16, 2019, 4 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2019, 3 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 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2019, 2 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 7.0 μg/m3 (6) 4.0 μg/m3 (17) 24.0
 
Sept. 16, 2019, 1 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A 2.0 μg/m3 (2) 0.0 μg/m3 (0) 28.0
 
Sept. 16, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 32.0
 
Sept. 15, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 31.0
 
Sept. 15, 2019, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 32.0
 
Sept. 15, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 31.0
 
Sept. 15, 2019, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 33.0
 
Sept. 15, 2019, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 33.0