ID: 1316

AQSQID: 060531003

Site Name: Salinas Ams

Added: April 21, 2020, 6:24 p.m.

Updated: April 10, 2021, 5:43 p.m.

Location: Salinas (E Salinas Quadrant), CA

Reporting: True, Located: True

Current AQI: 38.0

Salinas (E Salinas Quadrant) CA, US: 36.694261, -121.623271

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 10, 2021, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 39.0
 
April 10, 2021, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 38.0
 
April 10, 2021, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 38.0
 
April 10, 2021, 2 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 33.0
 
April 10, 2021, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 37.0
 
April 10, 2021, noon 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 39.0
 
April 10, 2021, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.0 ppb (0) N/A 7.0 μg/m3 (30) 39.0
 
April 10, 2021, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 38.0
 
April 10, 2021, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 38.0
 
April 10, 2021, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 38.0
 
April 10, 2021, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.0 ppb (0) N/A 2.0 μg/m3 (9) 39.0
 
April 10, 2021, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 39.0
 
April 10, 2021, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.0 ppb (0) N/A 8.0 μg/m3 (34) 40.0
 
April 10, 2021, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.0 ppb (0) N/A 2.0 μg/m3 (9) 40.0
 
April 10, 2021, 3 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 41.0
 
April 10, 2021, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.0 ppb (0) N/A 7.0 μg/m3 (30) 41.0
 
April 10, 2021, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 41.0
 
April 10, 2021, midnight 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 41.0
 
April 9, 2021, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 40.0
 
April 9, 2021, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 40.0
 
April 9, 2021, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 6.0 μg/m3 (25) 39.0
 
April 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
April 9, 2021, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 40.0
 
April 9, 2021, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.0 ppb (0) N/A 7.0 μg/m3 (30) 38.0
 
April 9, 2021, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 34.0
 
April 9, 2021, 4 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.0 ppb (0) N/A 8.0 μg/m3 (34) 34.0
 
April 9, 2021, 3 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 35.0
 
April 9, 2021, 2 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.1 ppb (2) N/A 7.0 μg/m3 (30) 34.0
 
April 9, 2021, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.1 ppb (2) N/A 7.0 μg/m3 (30) 32.0
 
April 9, 2021, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 30.0
 
April 9, 2021, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 34.0
 
April 9, 2021, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 38.0
 
April 9, 2021, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 35.0
 
April 9, 2021, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.0 ppb (0) N/A 2.0 μg/m3 (9) 36.0
 
April 9, 2021, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 38.0
 
April 9, 2021, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 36.0
 
April 9, 2021, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 37.0
 
April 9, 2021, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 38.0
 
April 9, 2021, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 38.0
 
April 9, 2021, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.1 ppb (2) N/A 1.0 μg/m3 (5) 39.0
 
April 9, 2021, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 38.0
 
April 9, 2021, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 39.0
 
April 8, 2021, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.1 ppb (2) N/A 7.0 μg/m3 (30) 39.0
 
April 8, 2021, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.1 ppb (2) N/A 7.0 μg/m3 (30) 40.0
 
April 8, 2021, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 41.0
 
April 8, 2021, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.1 ppb (2) N/A 1.0 μg/m3 (5) 39.0
 
April 8, 2021, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 38.0
 
April 8, 2021, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
April 8, 2021, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 35.0
 
April 8, 2021, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.1 ppb (2) N/A N/A 34.0
 
April 8, 2021, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) 0.1 ppb (2) N/A 0.0 μg/m3 (0) 32.0
 
April 8, 2021, 2 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 27.0
 
April 8, 2021, 1 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 29.0
 
April 8, 2021, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 29.0
 
April 8, 2021, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.0 ppb (0) N/A 1.0 μg/m3 (5) 37.0
 
April 8, 2021, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 39.0
 
April 8, 2021, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 38.0
 
April 8, 2021, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 38.0
 
April 8, 2021, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 36.0
 
April 8, 2021, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
April 8, 2021, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 38.0
 
April 8, 2021, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 38.0
 
April 8, 2021, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 40.0
 
April 8, 2021, 2 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 41.0
 
April 8, 2021, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 41.0
 
April 8, 2021, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) 0.1 ppb (2) N/A 1.0 μg/m3 (5) 42.0
 
April 7, 2021, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 42.0
 
April 7, 2021, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 42.0
 
April 7, 2021, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) 0.1 ppb (2) N/A 7.0 μg/m3 (30) 42.0
 
April 7, 2021, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
April 7, 2021, 7 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 36.0
 
April 7, 2021, 6 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 33.0
 
April 7, 2021, 5 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 31.0
 
April 7, 2021, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 31.0
 
April 7, 2021, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 30.0
 
April 7, 2021, 2 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 31.0
 
April 7, 2021, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 31.0
 
April 7, 2021, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.1 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
April 7, 2021, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.1 ppb (2) N/A 8.0 μg/m3 (34) 35.0
 
April 7, 2021, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
April 7, 2021, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 39.0
 
April 7, 2021, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 38.0
 
April 7, 2021, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 38.0
 
April 7, 2021, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 38.0
 
April 7, 2021, 5 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 40.0
 
April 7, 2021, 4 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 40.0
 
April 7, 2021, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 38.0
 
April 7, 2021, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.1 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
April 7, 2021, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.1 ppb (2) N/A 8.0 μg/m3 (34) 38.0
 
April 7, 2021, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.1 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
April 6, 2021, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 39.0
 
April 6, 2021, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 38.0
 
April 6, 2021, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
April 6, 2021, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 36.0
 
April 6, 2021, 7 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.1 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
April 6, 2021, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 30.0
 
April 6, 2021, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 29.0
 
April 6, 2021, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 29.0
 
April 6, 2021, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 30.0
 
April 6, 2021, 2 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 31.0
 
April 6, 2021, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 28.0
 
April 6, 2021, noon 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 31.0
 
April 6, 2021, 11 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 31.0
 
April 6, 2021, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) 0.1 ppb (2) N/A 1.0 μg/m3 (5) 32.0
 
April 6, 2021, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (33) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 33.0
 
April 6, 2021, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (34) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 34.0
 
April 6, 2021, 7 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (34) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 34.0
 
April 6, 2021, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (37) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 37.0
 
April 6, 2021, 5 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (37) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 37.0
 
April 6, 2021, 4 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 36.0
 
April 6, 2021, 3 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 36.0
 
April 6, 2021, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.1 ppb (2) N/A 7.0 μg/m3 (30) 36.0
 
April 6, 2021, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 38.0
 
April 6, 2021, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 7.0 μg/m3 (30) 38.0
 
April 5, 2021, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 38.0
 
April 5, 2021, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
April 5, 2021, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 38.0
 
April 5, 2021, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 40.0
 
April 5, 2021, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 39.0
 
April 5, 2021, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.0 ppb (0) N/A 2.0 μg/m3 (9) 37.0
 
April 5, 2021, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.0 ppb (0) N/A 1.0 μg/m3 (5) 36.0
 
April 5, 2021, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 35.0
 
April 5, 2021, 3 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) 0.1 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
April 5, 2021, 2 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 27.0
 
April 5, 2021, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 27.0
 
April 5, 2021, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 25.0
 
April 5, 2021, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 30.0
 
April 5, 2021, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 35.0
 
April 5, 2021, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.0 ppb (0) N/A 1.0 μg/m3 (5) 35.0
 
April 5, 2021, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (35) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 35.0
 
April 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 5, 2021, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 36.0
 
April 5, 2021, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 35.0
 
April 5, 2021, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 34.0
 
April 5, 2021, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.1 ppb (2) N/A 0.0 μg/m3 (0) 37.0
 
April 5, 2021, 2 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) 0.1 ppb (2) N/A -3.0 μg/m3 (0) 38.0
 
April 5, 2021, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (37) 0.1 ppb (2) N/A -2.0 μg/m3 (0) 37.0
 
April 5, 2021, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.1 ppb (2) N/A 0.0 μg/m3 (0) 37.0
 
April 4, 2021, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 38.0
 
April 4, 2021, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 39.0
 
April 4, 2021, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 39.0
 
April 4, 2021, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 39.0
 
April 4, 2021, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 40.0
 
April 4, 2021, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 39.0
 
April 4, 2021, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 39.0
 
April 4, 2021, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 40.0
 
April 4, 2021, 3 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 26.0
 
April 4, 2021, 2 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (14) 0.1 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
April 4, 2021, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 23.0
 
April 4, 2021, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) 0.1 ppb (2) N/A 1.0 μg/m3 (5) 22.0
 
April 4, 2021, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 22.0
 
April 4, 2021, 10 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 23.0
 
April 4, 2021, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 29.0
 
April 4, 2021, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.1 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
April 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
April 4, 2021, 6 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 33.0
 
April 4, 2021, 5 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 34.0
 
April 4, 2021, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
April 4, 2021, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 40.0
 
April 4, 2021, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.0 ppb (0) N/A 2.0 μg/m3 (9) 41.0
 
April 4, 2021, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 43.0
 
April 4, 2021, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 45.0
 
April 3, 2021, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 45.0
 
April 3, 2021, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) 0.0 ppb (0) N/A 7.0 μg/m3 (30) 45.0
 
April 3, 2021, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 46.0
 
April 3, 2021, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) 0.0 ppb (0) N/A 2.0 μg/m3 (9) 48.0
 
April 3, 2021, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 47.0
 
April 3, 2021, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 47.0