AQSQID: 060111002

Site Name: Colusa - Sunrise Blvd.

Location: Colusa, CA

Reporting: True, Located: True

Current AQI: 25.0

Colusa CA, US: 39.2031, -122.0169

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 25, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 22.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
May 25, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
May 25, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
May 25, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
May 25, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
May 25, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
May 25, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 12.0 μg/m3 (11) -2.0 μg/m3 (0) 15.0
 
May 25, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
May 25, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 15.0
 
May 25, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 16.0
 
May 25, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 17.0 μg/m3 (15) 1.0 μg/m3 (4) 17.0
 
May 25, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
May 25, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 24.0
 
May 25, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 28.0
 
May 25, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 27.0 μg/m3 (25) 5.0 μg/m3 (21) 28.0
 
May 25, 2019, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 23.0 μg/m3 (21) 3.0 μg/m3 (12) 29.0
 
May 24, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
May 24, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
May 24, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 21.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
May 24, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
May 24, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 21.0 μg/m3 (19) 12.0 μg/m3 (50) 50.0
 
May 24, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 18.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
May 24, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 17.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
May 24, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 17.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
May 24, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 23.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
May 24, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 23.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
May 24, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 20.0 μg/m3 (18) 1.0 μg/m3 (4) 18.0
 
May 24, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
May 24, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 17.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
May 24, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
May 24, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
May 24, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
May 24, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 18.0
 
May 24, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
May 24, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 20.0
 
May 24, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 22.0
 
May 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 25.0
 
May 24, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 25.0
 
May 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 25.0
 
May 24, 2019, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 27.0
 
May 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 26.0
 
May 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 25.0
 
May 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 25.0
 
May 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 25.0
 
May 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
May 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 23.0
 
May 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
May 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 19.0 μg/m3 (17) 3.0 μg/m3 (12) 22.0
 
May 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 22.0
 
May 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 21.0
 
May 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 22.0
 
May 23, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
May 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 21.0
 
May 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 19.0
 
May 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 19.0
 
May 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 18.0
 
May 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 19.0
 
May 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 18.0
 
May 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 18.0
 
May 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 21.0
 
May 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 22.0
 
May 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 13.0 μg/m3 (12) 1.0 μg/m3 (4) 25.0
 
May 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 7.0 μg/m3 (6) -1.0 μg/m3 (0) 25.0
 
May 23, 2019, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 25.0
 
May 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 13.0 μg/m3 (12) 0.0 μg/m3 (0) 25.0
 
May 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 25.0
 
May 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 25.0
 
May 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 26.0
 
May 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
May 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 12.0 μg/m3 (11) -1.0 μg/m3 (0) 22.0
 
May 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 21.0
 
May 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 19.0
 
May 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 18.0
 
May 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
May 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
May 22, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
May 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 15.0
 
May 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 19.0
 
May 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 8.0 μg/m3 (7) -1.0 μg/m3 (0) 20.0
 
May 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 6.0 μg/m3 (5) -1.0 μg/m3 (0) 22.0
 
May 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 23.0
 
May 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 25.0
 
May 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 6.0 μg/m3 (5) -1.0 μg/m3 (0) 25.0
 
May 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 7.0 μg/m3 (6) 14.0 μg/m3 (54) 54.0
 
May 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 7.0 μg/m3 (6) -3.0 μg/m3 (0) 22.0
 
May 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 22.0
 
May 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 12.0 μg/m3 (11) N/A 27.0
 
May 22, 2019, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 7.0 μg/m3 (6) 12.0 μg/m3 (50) 50.0
 
May 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 28.0
 
May 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 12.0 μg/m3 (11) -3.0 μg/m3 (0) 30.0
 
May 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 11.0 μg/m3 (10) -1.0 μg/m3 (0) 30.0
 
May 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 1.0 μg/m3 (1) 5.0 μg/m3 (21) 31.0
 
May 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 29.0 μg/m3 (26) 1.0 μg/m3 (4) 30.0
 
May 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 29.0
 
May 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 29.0
 
May 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 39.0 μg/m3 (35) 4.0 μg/m3 (17) 35.0
 
May 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 49.0 μg/m3 (45) 10.0 μg/m3 (42) 45.0
 
May 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 24.0
 
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 22.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 15.0 μg/m3 (56) 56.0
 
May 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 25.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 24.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 26.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 28.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 30.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 30.0
 
May 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 28.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 29.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 8.0 μg/m3 (7) -3.0 μg/m3 (0) 28.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 8.0 μg/m3 (7) -3.0 μg/m3 (0) 28.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 27.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 29.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 32.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 32.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 33.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 32.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 34.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 32.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (12) 28.0
 
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 11.0 μg/m3 (10) 28.0 μg/m3 (84) 84.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 16.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 13.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 19.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 21.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 7.0 μg/m3 (6) 0.0 μg/m3 (0) 23.0
 
May 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 25.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 6.0 μg/m3 (5) -2.0 μg/m3 (0) 24.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 32.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 5.0 μg/m3 (5) -2.0 μg/m3 (0) 34.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 35.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 3.0 μg/m3 (3) 6.0 μg/m3 (25) 35.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 6.0 μg/m3 (5) -4.0 μg/m3 (0) 34.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 10.0 μg/m3 (9) N/A 35.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 38.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 7.0 μg/m3 (6) 8.0 μg/m3 (33) 38.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 38.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 38.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 38.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 32.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 24.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (8) 22.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 22.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 22.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 23.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 28.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 27.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 25.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 23.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 10.0 μg/m3 (9) -1.0 μg/m3 (0) 23.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 10.0 μg/m3 (9) 74.0 μg/m3 (160) 160.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 8.0 μg/m3 (7) 156.0 μg/m3 (206) 206.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 27.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 8.0 μg/m3 (7) 11.0 μg/m3 (46) 46.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 15.0 μg/m3 (14) 20.0 μg/m3 (67) 67.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0